AEA TDI Instrument DI Box & Preamp The AEA TDI is a high-quality active DI box and instrument preamp designed specifically for passive pickups and low-output signal sources. Based on the proven circuitry of AEA’s TRP/RPQ series, it offers extremely high input impedance and exceptionally clean gain. The TDI is designed to capture instruments directly with maximum fidelity—especially those with passive pickups that benefit from proper impedance matching. It is ideal for studio and high-end recording applications. Sound Character The TDI delivers an extremely natural, open and detailed sound with excellent dynamics and transparency. Low-end: full, deep and controlled Mids: clear, present and uncolored Highs: open, bright and highly detailed Its very high input impedance preserves the full tonal character of the instrument without loading effects or high-frequency loss. Highlights ✔ active DI box with integrated preamp ✔ very high input impedance (up to approx. 1 MΩ) – ideal for passive pickups ✔ wide gain range (up to approx. +30 dB) ✔ ultra-low noise and distortion ✔ optimized for low-output instruments ✔ rugged, road-ready design ✔ balanced XLR output ✔ ground lift to eliminate hum Typical Applications ✔ electric guitars and basses (passive pickups) ✔ acoustic instruments with piezo systems ✔ keyboards and synthesizers ✔ direct recording into DAWs ✔ studio and live setups requiring high fidelity Technical Specifications ✔ Device type: active DI box / instrument preamp ✔ Input impedance: up to approx. 1 MΩ ✔ Gain: up to approx. +30 dB ✔ Frequency range: approx. 20 Hz – 20 kHz ✔ Output: XLR (balanced) ✔ Ground lift: yes ✔ Power supply: external power supply ✔ Form factor: desktop / stage unit

Rupert Neve Designs RNDI-S The Rupert Neve Designs RNDI-S is a professional active stereo direct interface that combines two channels of the renowned RNDI circuit in a compact desktop unit. It is designed for studio and live environments where stereo instruments such as keyboards, synthesizers or electronic instruments require high-quality direct capture. At its core are discrete Class-A FET input amplifiers paired with custom Rupert Neve output transformers, delivering exceptional clarity, headroom and musical harmonic character. Powered via 48 V phantom power, the unit also features a 3.5 mm stereo input for consumer devices such as laptops, smartphones or playback sources. Sound Character The RNDI-S delivers a clean, dynamic and harmonically rich stereo DI signal. Its discrete Class-A circuitry ensures transparent signal transfer with precise transient response, while the custom Rupert Neve transformers add subtle harmonic enhancement and depth. With high input impedance and substantial headroom, the unit handles both instrument-level and line-level sources with ease. Highlights ✔ active stereo direct interface ✔ two independent Class-A FET input stages ✔ custom Rupert Neve output transformers ✔ high headroom up to approx. +21.5 dBu ✔ 2 × 1/4" instrument inputs ✔ 3.5 mm stereo input for playback devices ✔ 2 × thru outputs for amplifier routing ✔ transformer-balanced XLR outputs ✔ ground lift per channel ✔ 48 V phantom powered ✔ rugged steel chassis for studio and touring

Rupert Neve Designs RNDI DI Box The Rupert Neve Designs RNDI is a high-end active transformer direct interface, designed for professional studio, live and broadcast environments. It combines a discrete Class-A FET input stage with a custom Rupert Neve output transformer, delivering exceptional tone and headroom when converting instrument signals to balanced microphone-level outputs. Its high input impedance and massive headroom allow the RNDI to handle not only guitars and basses but also synthesizers, drum machines, keyboards and even line-level sources. The unit is powered via 48 V phantom power from a connected microphone preamp. A dedicated speaker mode also allows engineers to capture the output of a guitar amplifier directly, preserving the tone of the amplifier without requiring a microphone. Sound Character The RNDI delivers a clean, highly dynamic DI signal with subtle harmonic enhancement. Its discrete Class-A circuitry ensures transparent signal transfer with minimal distortion, while the Rupert Neve transformer introduces musically pleasing harmonic content that adds depth and presence to the sound. Thanks to its high headroom, the RNDI can handle powerful signals without clipping, making it suitable for both instruments and professional line-level sources. Highlights ✔ active transformer direct interface ✔ discrete Class-A FET input stage ✔ custom Rupert Neve Designs output transformer ✔ high headroom up to approx. +20.5 dBu ✔ instrument and speaker operating modes ✔ 48 V phantom powered ✔ ground lift switch ✔ THRU output for amplifier routing ✔ transformer-balanced XLR output ✔ rugged steel enclosure

Rupert Neve Designs RNDI-M The Rupert Neve Designs RNDI-M is a compact active mono DI box designed for professional studio, live and broadcast applications. Despite its reduced size, it uses the same transformer-based design philosophy as the larger Rupert Neve Designs DI models and delivers the characteristic musical tone associated with the brand. At its core is a custom Rupert Neve Designs output transformer, providing high linearity, excellent headroom and highly natural signal transfer. The RNDI-M handles both high-output active instruments and sensitive passive sources while maintaining optimal impedance matching. Its rugged housing and compact footprint make it equally suitable for studio installations and mobile live setups. Sound Character The RNDI-M delivers a very open, detailed and harmonically rich direct signal. The transformer provides controlled low-frequency extension, stable transients and natural harmonic development. Compared with many standard DI boxes, low-end remains fuller and upper frequencies retain more detail and clarity. This makes the RNDI-M especially effective for instruments where full dynamics and tonal depth must be preserved. Highlights ✔ compact active mono DI box ✔ custom Rupert Neve Designs output transformer ✔ discrete Class-A signal path ✔ very high input impedance ✔ high headroom for synths, keyboards and active basses ✔ +20 dB higher headroom than many conventional DI boxes ✔ 48 V phantom powered ✔ thru output for amplifier routing ✔ balanced XLR output ✔ rugged metal housing ✔ compact pedalboard-friendly format

Rupert Neve Designs RNDI-8 The Rupert Neve Designs RNDI-8 is a professional 8-channel active transformer DI in a 19-inch rack format, combining eight independent channels of the renowned RNDI circuit in a single unit. It is designed for studio environments, touring rigs, broadcast systems and synthesizer setups that require multiple high-quality direct inputs. Each channel features a discrete Class-A FET input stage paired with a custom Rupert Neve output transformer, delivering exceptional headroom, extended bandwidth and the musical harmonic character associated with Rupert Neve Designs equipment. With eight fully independent channels, dedicated ground-lift options and high input impedance, the RNDI-8 is ideal for complex setups involving keyboards, synthesizers, guitars, basses and professional line-level sources. Sound Character The RNDI-8 delivers a clean, highly dynamic DI signal with subtle harmonic richness. Its discrete Class-A FET inputs ensure transparent signal transfer, while the custom Rupert Neve transformers add musical harmonic enhancement and depth to the sound. With high input impedance and massive headroom, the unit handles both instrument-level and professional line-level sources without distortion. Highlights ✔ 8-channel active transformer DI interface ✔ discrete Class-A FET input amplifiers ✔ custom Rupert Neve output transformers ✔ high input impedance (2.2 MΩ) ✔ massive headroom up to +21 dBu (+31 dBu with pad) ✔ -10 dB pad per channel ✔ ground lift and pin-1 isolate options ✔ THRU outputs for amplifier routing ✔ transformer-balanced XLR outputs ✔ 48 V phantom powered per channel ✔ rugged 1U rackmount steel chassis