Heritage Audio HA-609A Elite The Heritage Audio HA-609A Elite is a high-end dual-channel stereo/dual-mono compressor and limiter that recreates the legendary sound of classic British diode-bridge compressors in a modern format. Designed for demanding mixing and mastering environments, it delivers the iconic “glue” sound with depth, punch, and musical cohesion. Built around a fully discrete Class-A design with three Carnhill/St. Ives transformers per channel, the HA-609A captures the sonic character of classic console compressors while offering improved channel matching and modern usability. Sound Character The HA-609A Elite delivers classic British bus compression with rich analog coloration. Its diode-bridge topology produces dense, harmonically enhanced compression with powerful low end, defined midrange, and smooth highs. It excels on mix and drum buses, adding cohesion and punch to complex material. With both compressor and limiter sections, it offers a wide range of control—from subtle glue to aggressive dynamic shaping. Highlights ✔ dual-channel stereo/dual-mono compressor and limiter ✔ classic diode-bridge compression design ✔ fully discrete Class-A signal path ✔ 3 × Carnhill/St. Ives transformers per channel ✔ independent compressor and limiter sections ✔ fast attack mode for modern applications ✔ true bypass per channel + individual section bypass ✔ stereo link functionality ✔ stepped controls for precise recall ✔ handcrafted in Spain Typical Applications ✔ mix bus compression (“glue”) ✔ drum bus and parallel compression ✔ mastering with analog character ✔ vocal and instrument processing ✔ high-end hybrid studio workflows Technical Specifications ✔ type: dual-channel compressor & limiter ✔ circuit: discrete Class A, diode bridge ✔ channels: stereo or dual mono ✔ ratio: approx. 1.5:1 – 6:1 ✔ attack: normal / fast (switchable) ✔ release: approx. 100 ms – 1.5 s + auto (compressor) ✔ limiter release: approx. 50 ms – 800 ms + auto ✔ frequency response: approx. 15 Hz – 30 kHz (±0.5 dB) ✔ max input level: > +22 dBu ✔ max output level: > +26.5 dBu ✔ connections: 2 × XLR in / 2 × XLR out ✔ format: 19" rack

Heritage Audio 6673 The Heritage Audio 6673 is a high-end single-channel channel strip in 80-series format, combining the legendary sound of classic British console circuits into a compact modular system. Designed for professional recording, mixing, and hybrid studio environments, it integrates a microphone preamp and equalizer into a complete analog processing solution. Built around a fully discrete Class-A circuit with custom Carnhill transformers, the 6673 faithfully recreates the character of classic 1073 and 1066 designs—enhanced with expanded EQ flexibility for modern workflows. Sound Character The 6673 delivers classic British console tone with added versatility. The microphone preamp provides up to 80 dB of gain, delivering a powerful and detailed sound with rich mids and a solid low-end. Driving the input stage introduces transformer saturation, adding harmonic density and analog depth. The integrated EQ blends the musical warmth of a 1073 with the flexibility of a 1066, offering both bell and shelving options for precise tonal shaping—from subtle corrections to creative coloration. Highlights ✔ single-channel channel strip (preamp + EQ, 80-series format) ✔ combination of 1073-style preamp and expanded 1066/1073 EQ ✔ fully discrete Class-A circuitry ✔ Carnhill input and output transformers ✔ microphone preamp with up to 80 dB gain ✔ 3-band EQ with extended bell and shelf modes ✔ high and low shelving plus selectable mid frequencies ✔ inductor-based filters for musical shaping ✔ switchable high-pass filter ✔ output control for saturation shaping ✔ compatible with all 80-series racks (e.g. RACK2 / FRAME8) Typical Applications ✔ vocal recording with classic console tone ✔ instrument tracking with integrated EQ ✔ drum and instrument processing ✔ building modular high-end channel strips ✔ hybrid and analog studio workflows Technical Specifications ✔ type: single-channel channel strip (mic preamp + EQ, 80-series module) ✔ circuit: discrete Class A, transformer-coupled ✔ gain: up to >80 dB (mic) ✔ EQ: 3-band inductor-based (1073/1066 hybrid) ✔ frequency response: approx. 20 Hz – 20 kHz ✔ max output: > +26 dBu ✔ THD: < 0.025% @ 1 kHz ✔ input impedance: switchable (LO-Z) ✔ inputs: mic (XLR), line (XLR) ✔ outputs: XLR ✔ format: 80-series module

Heritage Audio 73DI 2 The Heritage Audio 73DI 2 is a high-end dual-channel active DI box that combines the classic sonic character of legendary 73-style preamp circuits with modern flexibility. Designed for both studio and live applications, it delivers a rich, harmonically enhanced direct signal with excellent detail and musicality. Featuring a discrete Class-A design with a JFET input stage and custom output transformers, the 73DI 2 offers very high input impedance and outstanding signal integrity—making it ideal for guitars, basses, keyboards, and synthesizers. Sound Character The 73DI 2 delivers the classic “73-style” tone—warm, punchy, and musical. Rather than being purely transparent, it adds subtle analog saturation, enhancing low-end weight, midrange presence, and high-frequency clarity. Especially with passive instruments, it provides improved depth, definition, and mix translation. The result is a dynamic, organic direct signal with excellent transient response. Highlights ✔ dual-channel active DI box (stereo or dual mono) ✔ discrete Class-A design with JFET input stage ✔ inspired by classic 73-style preamp circuits ✔ custom output transformer for musical coloration ✔ very high input impedance (approx. 2.2 MΩ) ✔ switchable -15 dB pad for high-level sources ✔ ground lift to eliminate hum and noise ✔ thru outputs for parallel signal routing ✔ low-noise operation with high headroom ✔ rugged aluminum/steel construction ✔ powered via 48 V phantom power Typical Applications ✔ direct recording of electric guitar and bass ✔ stereo or dual-input for keyboards and synthesizers ✔ integration into studio and live setups ✔ reamping and hybrid workflows ✔ high-quality signal conditioning before audio interfaces Technical Specifications ✔ type: dual-channel active DI box ✔ circuit: discrete Class A with JFET ✔ input impedance: approx. 2.2 MΩ (without pad) ✔ pad: -15 dB switchable ✔ inputs: 2 × 1/4" TRS jack ✔ thru: 2 × 1/4" TRS jack ✔ outputs: 2 × XLR balanced ✔ ground lift: switchable ✔ power: 48 V phantom power ✔ format: desktop / stage unit ✔ weight: approx. 1 kg

Heritage Audio HA-73EQ JR The Heritage Audio HA-73EQ JR is a high-end 500-series equalizer module that recreates the legendary sound of classic 1073 EQ circuits in a compact format. Designed for professional recording, mixing, and hybrid studio workflows, it delivers classic analog tone shaping with modern flexibility. It combines a discrete Class-A signal path with Carnhill transformers and a transformer-coupled line preamp, resulting in authentic British console tone with harmonic richness, depth, and musical precision—without requiring an external preamp. Sound Character The HA-73EQ JR delivers the classic “1073 EQ sound”—warm, smooth, and musical. Its Baxandall shelving filters provide natural high-frequency clarity and powerful low-end shaping, while the inductor-based mid band adds density and presence without harshness. Even with strong EQ boosts, the sound remains stable and musical. The Class-A output stage adds subtle saturation, enhancing depth and cohesion. Highlights ✔ 3-band EQ in classic 1073 style (500-series module) ✔ discrete Class-A signal path with transformer coupling ✔ Carnhill transformers for authentic vintage tone ✔ integrated Class-A line preamp (+6 to -20 dB) ✔ high shelf: ±16 dB at 10 / 12 / 16 / 20 kHz ✔ low shelf: ±16 dB at 35 / 60 / 110 / 220 Hz ✔ mid band: ±18 dB with 6 selectable frequencies ✔ Baxandall EQ design for musical shaping ✔ EQ bypass (EQL switch) ✔ high-headroom Class-A output stage ✔ compatible with all 500-series racks Typical Applications ✔ analog EQ during mixing ✔ vocal and instrument tone shaping ✔ drum and bass processing ✔ pairing with 500-series preamps and compressors ✔ building modular analog channel strips Technical Specifications ✔ type: 500-series 3-band EQ with line preamp ✔ circuit: discrete Class A ✔ gain: +6 to -20 dB (line) ✔ EQ: 3-band inductor-based (vintage style) ✔ high shelf: 10 / 12 / 16 / 20 kHz ✔ mid band: 0.36 / 0.7 / 1.6 / 3.2 / 4.8 / 7.2 kHz ✔ low shelf: 35 / 60 / 110 / 220 Hz ✔ max output: > +26 dBu ✔ THD: < 0.025% @ 1 kHz ✔ impedance: 10 kΩ in / <75 Ω out ✔ format: 500-series module

Heritage Audio 73JR II The Heritage Audio 73JR II is a high-end 500-series microphone preamp that faithfully recreates the legendary sound of classic 1073 console designs in a compact modular format. Designed for professional recording, mixing, and hybrid studio environments, it delivers authentic vintage tone with modern flexibility. Unlike many 500-series implementations, the 73JR II remains true to the original design by featuring a fully discrete three-stage Class-A circuit and an internal 24V power supply—ensuring identical headroom, performance, and saturation behavior to classic console modules. Sound Character The 73JR II delivers the classic “1073 sound”—warm, punchy, and musical. Its three-stage gain architecture provides up to 80 dB of gain, making it suitable for all microphone types, including low-output ribbon microphones. The combination of Class-A circuitry and Carnhill transformers produces rich harmonics, focused mids, and a solid low-end foundation. The result is a bold analog tone that ranges from clean and detailed to richly colored vintage character. Highlights ✔ 500-series microphone preamp in classic 1073 style ✔ fully discrete three-stage Class-A design ✔ true internal 24V power supply for authentic performance ✔ up to 80 dB gain for all microphone types ✔ custom Carnhill input and output transformers ✔ Class-A JFET DI input ✔ 50 dB Class-A line preamp ✔ switchable input impedance (LO-Z) ✔ variable high-pass filter (approx. 20–220 Hz) ✔ pad, phase reverse, and 48 V phantom power ✔ output trim for saturation control ✔ compatible with all 500-series racks Typical Applications ✔ vocal recording with classic console tone ✔ guitar, bass, and DI tracking ✔ drum and instrument recording ✔ reamping and analog coloration ✔ modular 500-series recording setups Technical Specifications ✔ type: single-channel mic/line/DI preamp (500-series) ✔ circuit: discrete Class A (three-stage) ✔ gain: up to >80 dB (mic) ✔ line gain: approx. 50 dB ✔ frequency response: approx. 20 Hz – 20 kHz ✔ THD: < 0.025% @ 1 kHz ✔ noise: approx. -125 dBu EIN ✔ max output: > +26 dBu ✔ input impedance: 1200 / 300 Ω switchable ✔ DI input: > 2 MΩ ✔ I/O: mic/line (XLR), DI (jack) ✔ format: 500-series module

Heritage Audio 8173 The Heritage Audio 8173 is a high-end single-channel channel strip in 80-series format, combining the legendary sound of classic 1073 and 1081 modules into a single unit. Designed for professional recording, mixing, and hybrid studio workflows, it offers both authentic vintage tone and extended tonal flexibility. It features a fully discrete Class-A microphone preamp with Carnhill transformers, paired with an advanced 4-band EQ—making it a powerful tool for everything from subtle enhancement to detailed sound sculpting. Sound Character The 8173 delivers classic British console tone with expanded tonal control. Its preamp provides up to 80 dB of gain, producing a warm, punchy sound with rich mids and solid low-end. Driving the input stage introduces transformer saturation, adding harmonic depth and analog character. The 4-band EQ combines the musicality of a 1073 with the flexibility of a 1081, featuring dual mid bands that cover nearly the entire audible frequency range for precise shaping. Highlights ✔ single-channel channel strip (preamp + EQ, 80-series format) ✔ combination of 1073 Class-A preamp and 1081-style 4-band EQ ✔ fully discrete Class-A circuitry ✔ hand-wound Carnhill input and output transformers ✔ up to 80 dB gain for all microphone types ✔ Class-A line amplifier (~10 dB gain) ✔ 4-band EQ with dual mid-frequency sections ✔ Baxandall high and low shelving filters ✔ high-pass filter (50 / 80 / 300 Hz) ✔ switchable input impedance ✔ high headroom (> +26 dBu output) ✔ compatible with all 80-series racks Typical Applications ✔ vocal recording with full tonal control ✔ instrument tracking with advanced EQ shaping ✔ drum and bass processing ✔ detailed sound design and mixing ✔ high-end 80-series channel strip setups Technical Specifications ✔ type: single-channel channel strip (mic preamp + EQ, 80-series module) ✔ circuit: discrete Class A, transformer-coupled ✔ gain: > 80 dB (mic) ✔ line gain: approx. 10 dB ✔ EQ: 4-band (dual mid + high/low shelves) ✔ high-pass filter: 50 / 80 / 300 Hz ✔ frequency response: 20 Hz – 20 kHz ✔ THD: < 0.025% @ 1 kHz ✔ max output: > +26 dBu ✔ noise: < -100 dBu ✔ input impedance: switchable 1200 / 300 Ω ✔ format: 80-series module

Heritage Audio BritStrip The Heritage Audio BritStrip is a high-end single-channel channel strip that combines the legendary sound of classic British consoles into a single 19" rack unit. Designed for professional recording, mixing, and hybrid studio environments, it integrates preamp, EQ, DI, and compression into one complete analog signal chain. At its core is a fully discrete Class-A architecture with custom Carnhill transformers, delivering authentic British console tone with modern flexibility and routing options. Sound Character The BritStrip delivers classic 1073-style tone—warm, punchy, and musical. Its three-stage preamp provides up to 80 dB of gain, while the inductor-based EQ allows highly musical shaping even with extreme settings, without phase issues or loss of headroom. The diode-bridge compressor (based on the Successor) adds dense, punchy dynamics—from subtle glue to strong coloration. The result is a complete analog channel strip with vintage character and modern precision. Highlights ✔ full analog channel strip (preamp, EQ, DI, compressor) ✔ based on classic 1073 and British console designs ✔ fully discrete Class-A circuitry ✔ Carnhill St. Ives input and output transformers ✔ microphone preamp with up to 80 dB gain ✔ Class-A JFET DI with thru output ✔ expanded 3-band 73-style EQ with bell modes ✔ inductor-based filters for musical shaping ✔ diode-bridge compressor (Successor design) ✔ blend control for parallel compression ✔ sidechain filter and external sidechain access ✔ switchable EQ/compressor routing ✔ stereo link capability for dual-unit operation ✔ 19" rackmount format (1U) Typical Applications ✔ vocal recording with full analog channel strip ✔ tracking instruments with “record-ready” tone ✔ drum and instrument processing ✔ mono or stereo mix bus processing (dual units) ✔ high-end hybrid and analog studio workflows Technical Specifications ✔ type: single-channel channel strip (preamp + EQ + compressor) ✔ circuit: discrete Class A, transformer-coupled ✔ gain: up to 80 dB (mic) ✔ EQ: 3-band inductor-based (expanded 73 style) ✔ compressor: diode-bridge (Successor design) ✔ ratio: approx. 1.5:1 – 10:1 ✔ attack: fast / slow ✔ release: 50 – 400 ms + auto ✔ inputs: mic (XLR), line (XLR), DI (jack) ✔ outputs: XLR ✔ sidechain: send/return (jack) ✔ format: 19" rack, 1U

Heritage Audio FRAME8 – 8-Slot Rack with PSU The Heritage Audio FRAME8 is a high-end 19" rack frame designed to host up to eight classic 80-series modules, providing a flexible and professional solution for operating vintage-style modules outside of large-format consoles. Handcrafted in Europe using authentic ISEP mechanical components from original 80-series consoles, the FRAME8 ensures perfect compatibility and seamless integration of both vintage and modern modules. Design Concept The FRAME8 acts as a standalone powered chassis with full signal routing for 80-series modules. Each slot features its own output level control and illuminated 48V phantom power switch, allowing precise channel-by-channel control. Integrated A/B link buses enable stereo linking of up to eight compressor modules, making it ideal for advanced bus processing setups. The rear panel is equipped with high-quality gold-plated Neutrik XLR connectors for mic and line inputs and outputs. The external PSU connects via a rugged 4-pin XLR and supports worldwide voltage operation. Highlights ✔ 8-slot chassis for 80-series modules ✔ authentic ISEP mechanical construction (vintage console standard) ✔ handcrafted in Europe ✔ external power supply included ✔ individual output controls per channel ✔ illuminated 48V phantom power per slot ✔ A/B link buses for stereo compressor linking ✔ gold-plated Neutrik XLR inputs and outputs ✔ compatible with vintage and modern 80-series modules ✔ robust 19" rackmount design (approx. 5U) Typical Applications ✔ running full 80-series channel strips outside consoles ✔ building modular high-end recording and mixing chains ✔ stereo compressor setups (e.g. 2264 linking) ✔ integration into hybrid and analog studio workflows ✔ professional studio installations and mobile racks Technical Specifications ✔ type: 80-series rack chassis (8 slots) ✔ slots: 8 × 80-series modules ✔ connectors: XLR (mic, line in/out) ✔ phantom power: 48V per channel, switchable ✔ link buses: A/B compressor linking ✔ power supply: external PSU, switchable 110–240 V ✔ format: 19" rack, approx. 5U ✔ dimensions: approx. 48.5 × 34.0 × 22.4 cm ✔ weight: approx. 2.8 kg

Heritage Audio GRANDCHILD 670 The Heritage Audio GRANDCHILD 670 is a high-end stereo Vari-Mu tube compressor in 500-series format, bringing the legendary Fairchild compression sound into a compact and modern design. Built for professional recording, mixing, and mastering environments, it combines iconic vintage tone with practical flexibility. As the “little brother” of the HERCHILD 670, the GRANDCHILD 670 delivers authentic Vari-Mu compression in a space-saving dual-slot module—without compromising sonic quality or musical response. Sound Character The GRANDCHILD 670 delivers classic Vari-Mu compression—smooth, dense, and musical. Its tube-based design provides natural, program-dependent compression with a soft knee and organic response. The result is a creamy, cohesive sound with added warmth, depth, and punch—ideal for bus and mastering applications. Compared to many Vari-Mu compressors, it remains relatively transparent, preserving the original tone while subtly enhancing cohesion and dynamics. Highlights ✔ stereo Vari-Mu tube compressor (500-series format) ✔ based on classic Fairchild / HERCHILD 670 design ✔ true Vari-Mu compression with 4 NOS 6BA6 tubes ✔ 3 custom transformers for authentic tone ✔ 5 selectable attack/release time constants ✔ continuously variable compression slope (DC threshold) ✔ wide range from subtle glue to strong compression ✔ sidechain filtering for low-frequency control ✔ VU meter for gain reduction ✔ true bypass switch ✔ dual-slot 500-series module Typical Applications ✔ mix bus compression (“glue”) ✔ drum bus and parallel compression ✔ mastering with analog character ✔ vocal and instrument processing ✔ high-end hybrid and 500-series studio setups Technical Specifications ✔ type: stereo Vari-Mu tube compressor (500-series module) ✔ circuit: tube-based (4 × NOS 6BA6) ✔ compression: program-dependent Vari-Mu ✔ frequency response: 20 Hz – 20 kHz (±0.5 dB) ✔ max output: +29 dBu ✔ THD: < 0.5% @ +24 dBu ✔ noise: < -78 dBu ✔ input impedance: 15 kΩ ✔ output impedance: 50 Ω ✔ power consumption: >200 mA per rail/slot ✔ format: 500-series, dual slot ✔ weight: approx. 1.12 kg

Heritage Audio HA-81A ELITE The Heritage Audio HA-81A ELITE is a high-end single-channel channel strip that combines two of the most iconic British console designs: a classic 73-style microphone preamp and a versatile 81-style equalizer. Designed for professional recording, mixing, and hybrid studio environments, it delivers the legendary British console sound with modern precision and flexibility. Its fully discrete Class-A circuitry with premium Carnhill and St. Ives transformers provides authentic analog tone with high dynamic range, musical saturation, and detailed signal reproduction. Sound Character The HA-81A ELITE delivers classic British tone—warm, punchy, and musical. The 73-style preamp provides up to 80 dB of gain, adding depth, weight, and harmonic richness, while the 81-style EQ offers precise yet musical tone shaping. The result is a characterful analog sound that ranges from subtle enhancement to strong saturation—ideal for vocals, instruments, and complex mixes. Highlights ✔ single-channel channel strip (preamp + EQ) ✔ 73-style Class-A microphone preamp ✔ 81-style 4-band equalizer with extended control ✔ up to 80 dB gain for demanding sources ✔ Carnhill and St. Ives transformers for classic tone ✔ inductor-based EQ for musical shaping ✔ high-pass and low-pass filters ✔ independent input and output controls ✔ mic, line, and DI inputs ✔ pad, phase, and 48 V phantom power ✔ 19" rackmount format (1U) Typical Applications ✔ vocal recording with analog character ✔ instrument tracking (guitar, bass, keys, DI) ✔ analog tone shaping during mixing ✔ tracking with classic console sound ✔ high-end hybrid studio workflows Technical Specifications ✔ type: single-channel channel strip (preamp + EQ) ✔ circuit: discrete Class A ✔ gain: up to 80 dB ✔ EQ: 4-band semi-parametric, inductor-based ✔ filters: HPF (27–270 Hz), LPF (3.9–18 kHz) ✔ inputs: mic (XLR), line (XLR), DI (jack) ✔ outputs: XLR ✔ functions: pad, phase, phantom power ✔ format: 19" rack, 1U

Heritage Audio HA73 ELITE The Heritage Audio HA73 ELITE is a high-end single-channel microphone preamp that faithfully recreates the legendary sound of classic British 1073 console designs in a modern format. Designed for professional recording, mixing, and hybrid studio environments, it delivers authentic analog tone with exceptional musicality and punch. Built around a fully discrete three-stage Class-A circuit with hand-wound Carnhill transformers, the HA73 ELITE produces the iconic British console sound—featuring powerful low end, rich mids, and harmonically enhanced highs. Sound Character The HA73 ELITE delivers the classic 1073 sound—warm, punchy, and full of character. Its three-stage amplification design provides up to 80 dB of gain, making it suitable for all microphone types, including low-output ribbon microphones. Driving the input stage introduces transformer saturation and harmonic richness typical of vintage analog consoles. The result is a bold, musical sound with depth and presence—ideal for vocals, instruments, and complex mixes. Highlights ✔ single-channel microphone preamp (1073-style) ✔ fully discrete three-stage Class-A design ✔ hand-wound Carnhill transformers ✔ up to 80 dB gain ✔ mic, line, and JFET DI inputs ✔ -20 dB pad ✔ switchable input impedance (LO-Z) ✔ high-pass filter at approx. 80 Hz ✔ phase reverse and 48 V phantom power ✔ output trim for gain staging and saturation control ✔ 19" rackmount (1U) with external PSU Typical Applications ✔ vocal recording with classic console tone ✔ guitar, bass, and DI tracking ✔ drum and instrument recording ✔ analog enhancement during mixing ✔ high-end hybrid studio workflows Technical Specifications ✔ type: single-channel microphone preamp ✔ circuit: discrete Class A (three-stage) ✔ gain: up to 80 dB ✔ frequency response: approx. 20 Hz – 20 kHz ✔ max output: > +26 dBu ✔ input impedance: switchable 1200 Ω / 300 Ω ✔ DI input: > 2 MΩ ✔ inputs: mic (XLR), line (XLR), DI (jack) ✔ outputs: XLR ✔ functions: pad, phase, LO-Z, phantom power ✔ format: 19" rack, 1U

Heritage Audio HA73EQ ELITE The Heritage Audio HA73EQ ELITE is a high-end single-channel microphone preamp with integrated EQ, faithfully recreating the legendary sound of classic 1073 channel strips. Designed for professional recording, mixing, and hybrid studio environments, it combines vintage tone with modern reliability and flexibility. Built around a fully discrete three-stage Class-A design with hand-wound Carnhill transformers, the HA73EQ ELITE delivers authentic British console sound with powerful low end, rich mids, and smooth high-frequency detail. Sound Character The HA73EQ ELITE delivers the classic “1073 sound”—warm, punchy, and musical. Its three-stage microphone preamp provides up to 80 dB of gain, making it ideal for all microphone types, including low-output ribbon mics. Driving the input stage adds the characteristic transformer saturation and harmonic richness associated with vintage consoles. The integrated 3-band EQ follows the original 1073 topology, offering highly musical tone shaping with smooth highs, focused mids, and powerful low-end response. Highlights ✔ single-channel microphone preamp with integrated EQ ✔ based on classic 1073 channel strip design ✔ fully discrete three-stage Class-A circuitry ✔ hand-wound Carnhill transformers ✔ up to 80 dB gain (mic) / approx. 50 dB (line) ✔ 3-band inductor-based vintage EQ ✔ high-shelf at 12 kHz ✔ mid band with 6 selectable frequencies ✔ low shelf with 4 selectable frequencies ✔ switchable high-pass filter ✔ mic, line, and JFET DI inputs ✔ pad, phase, LO-Z, and 48 V phantom power ✔ 19" rackmount format (1U) Typical Applications ✔ vocal recording with classic console tone ✔ guitar, bass, and DI tracking ✔ drum and instrument recording ✔ analog tone shaping during mixing ✔ high-end hybrid studio workflows Technical Specifications ✔ type: single-channel mic preamp with EQ ✔ circuit: discrete Class A (3-stage) ✔ gain: up to >80 dB ✔ EQ: 3-band inductor-based (1073 style) ✔ high shelf: 12 kHz ✔ mid band: 360 Hz – 7.2 kHz (6 steps) ✔ low shelf: 35 / 60 / 110 / 220 Hz ✔ HPF: selectable frequencies ✔ max output: > +26 dBu ✔ THD: < 0.025% @ 1 kHz ✔ I/O: XLR + DI (jack) ✔ format: 19" rack, 1U

Heritage Audio HA73EQx2 ELITE The Heritage Audio HA73EQx2 ELITE is a high-end dual-channel microphone preamp with integrated EQ, recreating the legendary sound of classic 1073 channel strips in a modern format. Designed for professional recording, mixing, and hybrid studio environments, it provides two full analog recording channels in a single rack unit. Built around a fully discrete Class-A design with hand-wound Carnhill transformers, the HA73EQx2 ELITE delivers the iconic British console tone—featuring powerful low end, rich mids, and smooth high-frequency detail. Sound Character The HA73EQx2 ELITE delivers the classic “1073 sound”—warm, punchy, and musical. Its three-stage microphone preamp provides up to 80 dB of gain, making it suitable for all microphone types, including low-output ribbon mics. Driven harder, it introduces the characteristic transformer saturation and harmonic richness associated with vintage consoles. The integrated 3-band EQ allows precise yet musical tone shaping, from subtle enhancement to pronounced vintage coloration. Highlights ✔ dual-channel microphone preamp with integrated EQ ✔ based on classic 1073 channel strip design ✔ fully discrete Class-A circuitry ✔ hand-wound Carnhill input/output transformers ✔ up to 80 dB gain (mic) / approx. 50 dB (line) ✔ 3-band inductor-based vintage EQ ✔ selectable mid and low frequency bands ✔ high-shelf at 12 kHz for air and clarity ✔ -20 dB pad and switchable input impedance (LO-Z) ✔ 80 Hz high-pass filter ✔ mic, line, and DI inputs ✔ 19" rackmount (2U), rugged construction Typical Applications ✔ vocal recording with classic console tone ✔ stereo recording and instrument tracking ✔ guitar, bass, and DI sources ✔ analog tracking workflows ✔ high-end hybrid studio setups Technical Specifications ✔ type: dual-channel mic preamp with EQ ✔ circuit: discrete Class A ✔ gain: up to 80 dB (mic) / approx. 50 dB (line) ✔ EQ: 3-band inductor-based (vintage style) ✔ high shelf: 12 kHz ✔ mid band: 6 selectable frequencies ✔ low shelf: 4 selectable frequencies ✔ filter: high-pass (80 Hz) ✔ inputs: mic (XLR), line (XLR), DI (jack) ✔ outputs: XLR ✔ functions: pad (-20 dB), LO-Z, phase, phantom power ✔ format: 19" rack, 2U

Heritage Audio HA73X2 ELITE The Heritage Audio HA73X2 ELITE is a high-end dual-channel microphone preamp that recreates the legendary sound of classic 1073 console designs in a compact stereo unit. Designed for professional recording, mixing, and hybrid studio environments, it provides two full Class-A recording channels with authentic analog tone. Built around a fully discrete three-stage Class-A circuit with hand-wound Carnhill transformers, the HA73X2 ELITE delivers the iconic British console sound with powerful low end, rich mids, and harmonically enhanced highs. Sound Character The HA73X2 ELITE delivers classic 1073 tone—warm, punchy, and musical. With up to 80 dB of gain, it is suitable for all microphone types, including low-output ribbon microphones. Driving the input stage produces the characteristic transformer saturation, adding depth, punch, and harmonic richness. The result is a bold analog sound, ranging from clean and detailed to richly colored vintage tone. Highlights ✔ dual-channel microphone preamp (stereo / dual mono) ✔ based on classic 1073 preamp design ✔ fully discrete three-stage Class-A circuitry ✔ hand-wound Carnhill transformers ✔ up to 80 dB gain (mic) / approx. 50 dB (line) ✔ separate input and output controls for saturation shaping ✔ JFET DI inputs for instruments ✔ -20 dB pad ✔ switchable input impedance (LO-Z) ✔ 80 Hz high-pass filter ✔ phase reverse and 48 V phantom power ✔ 19" rackmount (1U) with external PSU Typical Applications ✔ stereo vocal recording and overdubs ✔ drum recording (overheads, stereo setups) ✔ guitar, bass, and DI tracking ✔ stereo synths and keyboards ✔ high-end hybrid recording chains Technical Specifications ✔ type: dual-channel microphone preamp ✔ circuit: discrete Class A (three-stage) ✔ gain: up to >80 dB ✔ frequency response: approx. 20 Hz – 20 kHz ✔ max output: > +26.5 dBu ✔ THD: < 0.025% @ 1 kHz ✔ input impedance: switchable 1200 Ω / 300 Ω ✔ DI input: > 2 MΩ ✔ inputs: 2 × mic (XLR), 2 × line (XLR), 2 × DI (jack) ✔ outputs: 2 × XLR ✔ format: 19" rack, 1U

Heritage Audio HABPNL The Heritage Audio HABPNL is a high-quality 500-series blank panel designed for professional rack and modular systems. As an essential accessory for 500-series enclosures, it provides a clean front panel appearance while protecting internal components from dust, debris, and accidental contact. Constructed from durable metal and finished in Heritage Audio’s signature color, the panel integrates seamlessly into existing systems and maintains a consistent, professional studio aesthetic. Function / Design The HABPNL is used to cover unused slots in 500-series rack systems. In addition to improving the visual appearance, it enhances operational safety by protecting sensitive internal electronics from dust and external interference while preventing unwanted access. Pre-drilled mounting holes allow quick and easy installation or removal. Highlights ✔ blank panel for one 500-series slot ✔ protects internal rack components from dust and contact ✔ ensures a clean and professional rack appearance ✔ durable metal construction ✔ compatible with all 500-series racks ✔ pre-drilled mounting holes for easy installation ✔ Heritage Audio signature RAF blue-grey finish Typical Applications ✔ covering unused slots in 500-series racks ✔ protecting sensitive studio equipment ✔ improving rack aesthetics ✔ mobile recording and touring rigs ✔ professional studio installations Technical Specifications ✔ type: 500-series blank panel (single slot) ✔ material: metal ✔ color: RAF blue-grey ✔ dimensions: approx. 3.81 × 13.5 cm ✔ compatibility: all 500-series racks ✔ weight: approx. 45 g

Heritage Audio HERCHILD – Model 660 The Heritage Audio HERCHILD Model 660 is a high-end single-channel all-tube Vari-Mu compressor that faithfully recreates the legendary sound of the original Fairchild 660. Designed for demanding recording, mixing, and mastering environments, it delivers the iconic musical compression character heard on countless classic recordings. As a true reproduction, the HERCHILD 660 features 11 tubes and 5 custom transformers, providing authentic analog tone with exceptional depth, warmth, and dynamic response. Sound Character The HERCHILD 660 delivers classic Vari-Mu compression—smooth, musical, and three-dimensional. Its program-dependent response ensures natural dynamic control without artifacts. The low end remains full and stable, while mids and highs gain richness and presence through subtle tube saturation. The result is a cohesive, dense sound with excellent “glue,” ideal for vocals, buses, and mastering applications. Highlights ✔ single-channel Vari-Mu tube compressor (Fairchild 660 style) ✔ fully tube-based Class-A circuitry ✔ 11 tubes and 5 custom transformers for authentic tone ✔ continuously variable compression slope (DC threshold) ✔ 6 classic attack/release time constants ✔ sidechain filter (Off / 50 / 100 / 200 / 350 Hz) ✔ extremely low distortion and noise ✔ VU meter for gain reduction and tube monitoring ✔ transformer-balanced inputs and outputs ✔ 19" rackmount (3U), handcrafted Typical Applications ✔ vocal recording with vintage character ✔ mix bus compression (“glue”) ✔ mastering with musical dynamics control ✔ drum and instrument bus processing ✔ high-end hybrid and analog studio workflows Technical Specifications ✔ type: single-channel Vari-Mu tube compressor ✔ circuit: all-tube design (11 tubes) ✔ transformers: 5 × custom designs ✔ frequency response: approx. 20 Hz – 20 kHz (±1 dB) ✔ max output: up to +30 dBu ✔ THD: < 1% up to +18 dBu ✔ signal-to-noise ratio: approx. 120 dB ✔ input impedance: 2 kΩ ✔ output impedance: 600 Ω ✔ sidechain filter: 50 / 100 / 200 / 350 Hz + Off ✔ I/O: XLR balanced ✔ format: 19" rack, 3U ✔ weight: approx. 7.3 kg

Heritage Audio HERCHILD Model 670 The Heritage Audio HERCHILD Model 670 is a high-end stereo Vari-Mu tube compressor that faithfully recreates the legendary sound of the Fairchild 670 for modern studio environments. Designed for professional recording, mixing, and mastering, it combines classic tube technology with enhanced control and flexibility. Featuring a fully tube-based signal path with 22 tubes and 9 transformers, the HERCHILD 670 delivers an authentic reproduction of one of the most iconic compressors in audio history—enhanced with modern usability and precision control. Sound Character The HERCHILD 670 delivers classic Vari-Mu compression—smooth, three-dimensional, and highly musical. Its program-dependent compression features a soft knee and dynamically adapts to the input signal, ranging from subtle glue to powerful limiting. The result is a dense, cohesive sound with exceptional depth and balance. The tube circuitry and transformer design add harmonic richness, warm midrange, and an open yet controlled high-end—making it ideal for mix bus and mastering applications. Highlights ✔ stereo Vari-Mu tube compressor (Fairchild 670 recreation) ✔ fully tube-based design (22 tubes) ✔ 9 transformers for authentic analog signal path ✔ program-dependent compression with soft knee ✔ continuously variable slope (DC Threshold control) ✔ sidechain filter for low-frequency control ✔ 6 classic attack/release time constants ✔ 4 operating modes: dual mono, stereo link, LAT/VERT (mid/side), LAT/VERT link ✔ VU meters for gain reduction ✔ extremely high headroom and low distortion ✔ 19" rackmount (6U) Typical Applications ✔ mix bus compression (“glue”) ✔ mastering with analog character ✔ drum and instrument bus processing ✔ vocal and instrument dynamics control ✔ high-end analog and hybrid studio setups Technical Specifications ✔ type: stereo Vari-Mu tube compressor ✔ circuit: fully tube-based (22 tubes, 9 transformers) ✔ compression: program-dependent (Vari-Mu) ✔ frequency response: 20 Hz – 20 kHz (±1 dB) ✔ max output: +30 dBu clipping point ✔ THD: < 1% up to +18 dBu ✔ noise: < -82 dBu ✔ signal-to-noise ratio: approx. 120 dB ✔ input impedance: 2 kΩ ✔ output impedance: 600 Ω ✔ I/O: 2 × XLR in / 2 × XLR out ✔ format: 19" rack, 6U ✔ weight: approx. 13.3 kg

Heritage Audio HERCHILD Model 670N The Heritage Audio HERCHILD Model 670N is a high-end dual-channel Vari-Mu tube compressor that combines the legendary sound of classic Fairchild compressors with modern features and enhanced usability. Designed for demanding mixing and mastering environments, it delivers the iconic musical compression character heard on countless classic recordings. Built around discrete Class-A circuitry, NOS tubes, and custom transformers, the 670N provides authentic analog tone with extended flexibility for modern workflows. Sound Character The HERCHILD 670N delivers the classic Vari-Mu sound—smooth, musical, and highly cohesive. Its program-dependent compression offers a gentle, progressive response, creating natural dynamic control without artifacts. The low end remains tight and stable, while mids and highs gain depth and presence through subtle tube saturation. The result is a dense, three-dimensional sound with excellent transient integrity and mix “glue.” Highlights ✔ dual-channel Vari-Mu tube compressor (stereo / dual mono) ✔ authentic Fairchild-style compression with modern design ✔ 4 × NOS 6BA6 tubes and 6 custom transformers ✔ discrete Class-A signal path ✔ 6 attack and release time constants ✔ continuously variable compression slope (DC threshold) ✔ advanced sidechain filtering options ✔ LAT/VERT mode for mid/side processing ✔ independent bypass per channel ✔ transformer-coupled make-up gain stage (HA-880) ✔ stepped controls for precise recall ✔ 19" rackmount (approx. 5U), premium build quality Typical Applications ✔ mix bus and drum bus compression ✔ mastering-grade dynamic control ✔ vocal and instrument glue ✔ mid/side processing for width and depth ✔ high-end hybrid and analog studios Technical Specifications ✔ type: dual-channel Vari-Mu tube compressor ✔ circuit: discrete Class A, tube-based ✔ tubes: 4 × NOS 6BA6 ✔ transformers: 6 × custom designs ✔ modes: stereo, dual mono, mid/side (LAT/VERT) ✔ attack/release: 6 time constants ✔ sidechain: multiple filter frequencies (e.g. 80 Hz – 5 kHz) ✔ I/O: 2 × XLR in / 2 × XLR out ✔ format: 19" rack, approx. 5U ✔ manufacturing: hand-built

Heritage Audio LANG 312L The Heritage Audio LANG 312L is a high-end 500-series microphone preamp based on the classic “New York style” console sound of the 1970s. Designed for professional recording, mixing, and hybrid workflows, it delivers exceptional gain, fast transient response, and a punchy, dynamic tone. With up to 90 dB of gain, the 312L is one of the most powerful preamps in its class, capable of driving even the most demanding microphones—including ribbon and vintage models—without the need for external boosters. Sound Character The LANG 312L delivers classic American console tone—direct, punchy, and highly dynamic. Its ultra-fast transient response makes it ideal for percussive sources such as drums and guitars, while the combination of discrete circuitry, custom op-amp, and transformers provides a dense, powerful sound with a solid low-end. The integrated +25 dB lifter ensures optimal performance with gain-hungry microphones, maintaining clarity and low noise. Highlights ✔ 500-series “New York style” microphone preamp ✔ up to 90 dB gain ✔ built-in +25 dB lifter for ribbon and dynamic microphones ✔ ultra-fast transient response ✔ HA-880 custom op-amp design ✔ 2622 LANG input transformer + CineMag output transformer ✔ combo input (XLR / DI) for mic and instrument ✔ high-impedance DI input (> 2 MΩ) ✔ -20 dB pad, phase reverse, and 48 V phantom power ✔ extremely low noise and high dynamic range ✔ compatible with all 500-series racks Typical Applications ✔ drum recording (kick, snare, overheads) ✔ guitar and bass tracking with fast transients ✔ vocal recording with dynamic and ribbon microphones ✔ DI recording for instruments ✔ modern and classic American-style recording chains Technical Specifications ✔ type: single-channel mic/line/DI preamp (500-series) ✔ circuit: discrete, transformer-balanced ✔ gain: +15 dB to 90 dB ✔ lifter: +25 dB additional gain ✔ frequency response: 20 Hz – 20 kHz ✔ THD: < 0.005% @ 1 kHz ✔ noise: < -130 dBu EIN ✔ max output: > +30 dBu ✔ input impedance: 1200 Ω / 10 kΩ (lifter) ✔ DI input: > 2 MΩ ✔ outputs: transformer-balanced (CineMag) ✔ format: 500-series module (single slot)

Heritage Audio LANG P.LANE Type 436 The Heritage Audio LANG P.LANE Type 436 is a single-channel, all-tube Vari-Mu compressor that reimagines the legendary modified ALTEC 436C circuits in a modern format. Developed in collaboration with LANG Electronics, it recreates the iconic “British Invasion” sound of the 1960s with authentic tube saturation and musical compression behavior. Built around a fully analog design with carefully selected tubes and custom transformers, the P.LANE 436 combines vintage tone with modern usability for today’s studio workflows. Sound Character The P.LANE Type 436 delivers smooth, musical, and organic Vari-Mu compression. Its program-dependent response provides natural dynamic control without compromising transients or high-frequency detail. The low end remains full and stable, while mids and highs gain depth and presence through subtle tube coloration. This results in a cohesive, glue-like compression ideal for both subtle shaping and more pronounced vintage character. Highlights ✔ single-channel all-tube Vari-Mu compressor ✔ inspired by modified ALTEC 436C / “London Mod” designs ✔ classic British Invasion tone with modern enhancements ✔ tube complement: NOS 6H5P, JJ E88CC, NOS 6AL5 ✔ custom transformers for authentic analog sound ✔ 6 attack and 6 release time constants (with Hold) ✔ additional SuperFast recovery mode ✔ stepped controls for precise operation ✔ transformer-balanced XLR and TRS I/O ✔ 2U rackmount steel chassis Typical Applications ✔ vocal and instrument compression during tracking ✔ drum and guitar bus processing with vintage character ✔ mix bus glue compression ✔ creative tube saturation and tone shaping ✔ high-end hybrid and analog studio environments Technical Specifications ✔ type: single-channel Vari-Mu tube compressor ✔ circuit: all-tube design ✔ tubes: 1 × NOS 6H5P, 1 × JJ E88CC, 1 × NOS 6AL5 ✔ attack: 6 stepped settings ✔ release: 6 settings + Hold + SuperFast ✔ inputs: XLR + TRS (balanced) ✔ outputs: XLR + TRS (balanced) ✔ format: 19" rack, 2U ✔ power: internal power supply

Heritage Audio LANG PEQ-2 The Heritage Audio LANG PEQ-2 is a high-end single-channel passive program equalizer that faithfully recreates the legendary LANG PEQ-2 from the 1960s. Designed for professional recording, mixing, and mastering environments, it delivers highly musical tone shaping with iconic vintage character. Based on the classic Western Electric Pultec topology but with expanded flexibility, the PEQ-2 combines passive filtering with a discrete output stage, custom inductors, and transformer-balanced I/O—resulting in a powerful blend of warmth, punch, and precision. Sound Character The LANG PEQ-2 delivers musical, wide-band equalization with strong vintage coloration. Unlike traditional Pultec-style EQs, it allows independent boost and cut at different frequencies in both low and high bands, enabling unique tonal shaping possibilities. Its low end is tight and powerful, while highs benefit from the characteristic high-peak boost with adjustable bandwidth, resulting in an open, detailed sound with depth and cohesion. Highlights ✔ single-channel passive program equalizer (LANG PEQ-2 reissue) ✔ based on original 1960s LANG Electronics design ✔ passive EQ with discrete output stage ✔ independent boost and cut controls for low and high bands ✔ 26 selectable frequency points ✔ high-peak boost with variable bandwidth (sharp/broad) ✔ low shelf boost: 20 – 240 Hz ✔ low cut (droop): 25 / 50 / 100 / 200 Hz ✔ high boost: 2.5 – 20 kHz ✔ high cut: 2.5 – 20 kHz ✔ gain trim: -12 dB to +16 dB ✔ stepped controls for precise recall ✔ transformer-balanced inputs and outputs Typical Applications ✔ mix bus and mastering EQ ✔ drum and instrument bus processing ✔ vocal and instrument shaping ✔ analog tone enhancement with vintage character ✔ creative EQ shaping using boost + cut combinations Technical Specifications ✔ type: single-channel passive equalizer ✔ circuit: passive EQ + discrete output stage ✔ frequency response: 20 Hz – 20 kHz (±0.3 dB) ✔ THD: approx. 0.02% @ 1 kHz ✔ max output: > +26.5 dBu ✔ noise floor: ≤ -86 dBu ✔ input impedance: 2400 Ω ✔ output impedance: 600 Ω ✔ I/O: XLR ✔ power: external PSU (48 V DC) ✔ format: 19" rack, 2U ✔ weight: approx. 3.1 kg

Heritage Audio LANG SILVERR 47 The Heritage Audio LANG SILVERR 47 is a dual-channel, all-tube microphone preamplifier that recreates the legendary sound of classic EMI/REDD.47 circuits while adding modern studio functionality. Developed in collaboration with LANG Electronics, it delivers the iconic “British Invasion” tone that defined countless recordings of the 1960s. Featuring a discrete Class-A tube design with custom transformers and carefully selected valves, the SILVERR 47 offers a rich and musical sonic character—from subtle enhancement to heavy harmonic saturation. Sound Character The SILVERR 47 delivers classic tube tone with depth, warmth, and musicality. Its sound is dense and harmonically rich, with strong low-end, forward mids, and smooth highs. A standout feature is the “No Feedback” gain stage, which disables negative feedback and dramatically increases harmonic saturation—making it a powerful creative shaping tool. From clean amplification to heavily saturated vintage textures, it covers a wide tonal range. Highlights ✔ dual-channel all-tube microphone/instrument preamplifier ✔ inspired by classic EMI / REDD.47 designs ✔ discrete Class-A tube signal path with transformers ✔ tubes per channel: 6AU6 (input) + EC88/E88CC (output) ✔ unique “No Feedback” gain stage for extreme saturation ✔ stepped gain control (6 dB increments) for precise recall ✔ independent input and output level controls ✔ mic, line, and DI inputs ✔ switchable pad, phantom power, phase, and 80 Hz high-pass filter ✔ 19" rackmount design (2U) Typical Applications ✔ vocal recording with vintage character ✔ guitar and bass tracking (including DI) ✔ drum and room recording with analog saturation ✔ line-level processing and tone shaping ✔ high-end hybrid and analog studios Technical Specifications ✔ type: dual-channel tube microphone preamplifier ✔ circuit: discrete Class A, all-tube design ✔ tubes: 6AU6 + EC88/E88CC per channel ✔ gain: approx. 22 – 52 dB (including NFB stage) ✔ gain structure: stepped (6 dB increments) ✔ functions: pad, 48 V phantom, phase, 80 Hz HPF ✔ inputs: mic (XLR), line (TRS), DI (front) ✔ outputs: XLR + TRS ✔ format: 19" rack, 2U

Heritage Audio MotorCity EQualizer Stereo The Heritage Audio MotorCity EQualizer Stereo is a high-end dual-channel 7-band equalizer system consisting of a perfectly matched stereo pair of MotorCity EQ units. Designed for demanding mixing and mastering environments, it brings the iconic Motown sound of the 1960s into modern studios with exceptional musicality and analog depth. Featuring a fully passive EQ design combined with a discrete Class-A output stage, the MotorCity EQ is an exact recreation of the original Motown circuits. The stereo configuration allows precise, phase-coherent processing of stereo material, making it ideal for mix bus and mastering applications. Sound Character The MotorCity EQualizer Stereo delivers highly musical, wide-band equalization with vintage character. Its fixed frequency bands are carefully selected for musical relevance, enabling fast and intuitive tonal shaping. The sound is powerful yet smooth, with solid low end, focused mids, and silky highs. Thanks to its passive design, even extreme EQ settings remain natural and free from harshness, while the Class-A output stage adds depth and cohesion. Highlights ✔ dual-channel stereo set (matched pair) for mixing & mastering ✔ authentic recreation of classic Motown EQ circuits ✔ fully passive 7-band EQ design ✔ discrete Class-A output stage with Carnhill transformers ✔ 7 fixed frequency bands: 50 / 130 / 320 / 800 Hz / 2 / 5 / 12.5 kHz ✔ ±8 dB boost/cut per band in 1 dB steps ✔ master gain control (±8 dB) ✔ in/out/off switch for instant A/B comparison ✔ ideal for stereo and mix bus processing ✔ custom inductors and capacitors ✔ 19" rackmount (2U per unit), external PSU Typical Applications ✔ stereo mix bus and mastering EQ ✔ drum and instrument group processing ✔ stereo summing and analog finishing ✔ vintage tone shaping with Motown character ✔ high-end hybrid and mastering studios Technical Specifications ✔ type: stereo 7-band equalizer (2 matched mono units) ✔ circuit: passive EQ + Class-A output stage ✔ frequencies: 50 / 130 / 320 / 800 Hz / 2 / 5 / 12.5 kHz ✔ boost/cut: ±8 dB per band (1 dB steps) ✔ gain: ±8 dB master ✔ components: 21 inductors + 21 capacitors per unit ✔ I/O: XLR ✔ power: external PSU (100–240 V) ✔ format: 19" rack, 2U per unit ✔ weight: approx. 4.7 kg (stereo set)

Heritage Audio Motorcity EQ The Heritage Audio Motorcity EQ is a high-end single-channel 7-band equalizer that faithfully recreates the legendary sound of rare Motown studio EQs from the 1960s. Designed for demanding recording, mixing, and mastering environments, it delivers the iconic “Hitsville” tone with exceptional musicality and analog depth. Featuring a fully passive EQ design combined with a discrete Class-A output stage, the Motorcity EQ is built as an exact recreation of the original circuits, including custom-made inductors and capacitors. This results in authentic vintage tone with remarkable warmth, punch, and clarity. Sound Character The Motorcity EQ delivers highly musical and natural equalization with vintage character. Its fixed frequency bands are carefully chosen for musical relevance, allowing fast and intuitive tonal shaping. The sound is powerful yet smooth, with solid low-end, focused mids, and silky highs. Thanks to its passive design, even extreme EQ settings remain natural and free from harshness, while the Class-A output stage adds depth and cohesion. Highlights ✔ single-channel 7-band vintage equalizer ✔ authentic recreation of classic Motown EQ designs ✔ fully passive EQ with Class-A output stage ✔ 7 fixed frequency bands: 50 Hz, 130 Hz, 320 Hz, 800 Hz, 2 kHz, 5 kHz, 12.5 kHz ✔ ±8 dB boost/cut per band in 1 dB steps ✔ master gain control (±8 dB) ✔ custom-built inductors and capacitors ✔ Carnhill transformer output stage ✔ in/out/off switch for instant A/B comparison ✔ vintage-style bakelite rotary switches ✔ 19" rackmount format (2U) Typical Applications ✔ mix bus and mastering EQ ✔ drum and instrument bus processing ✔ vocal and instrument tone shaping ✔ analog sound enhancement with vintage character ✔ high-end hybrid and analog studio workflows Technical Specifications ✔ type: single-channel passive 7-band equalizer ✔ circuit: passive EQ + Class-A output stage ✔ frequencies: 50 / 130 / 320 / 800 Hz / 2 / 5 / 12.5 kHz ✔ boost/cut: ±8 dB per band (1 dB steps) ✔ gain: ±8 dB master ✔ components: 21 inductors + 21 capacitors (custom) ✔ I/O: XLR ✔ format: 19" rack, 2U ✔ power: external PSU