Royer Labs R-DB22 dBooster2 The Royer Labs R-DB22 dBooster2 is a high-end dual-channel in-line microphone booster and DI box, designed for professional studio and live applications. It expands the concept of the R-DB20 by adding a second channel and DI functionality, acting as a signal booster, impedance buffer and instrument interface. Sound Character The dBooster2 is designed to be completely transparent. Key characteristics include: no coloration – pure signal amplification improved signal-to-noise ratio increased headroom and clarity Highlights ✔ dual-channel in-line signal booster & DI ✔ ideal for ribbon and dynamic microphones ✔ powered via 48V phantom power ✔ +12 dB / +20 dB gain (mic mode) ✔ 0 dB / +8 dB gain (DI mode) ✔ independent dual channels ✔ Class-A input stage ✔ ultra-low noise and distortion ✔ high headroom ✔ high input impedance ✔ low output impedance for long cable runs ✔ protects ribbon microphones from phantom power Typical Applications ✔ ribbon microphones ✔ dynamic microphones ✔ stereo mic setups ✔ DI recording (guitar/bass) ✔ low-output sources ✔ live and studio use Technical Specifications ✔ device type: dual-channel signal booster & DI ✔ gain: mic: +12 / +20 dB DI: 0 / +8 dB ✔ frequency response: 20 Hz – 20 kHz ✔ THD: ~0.001–0.0015 % ✔ self-noise: <11–15 dBA ✔ input impedance: mic: ~3.6 kΩ DI: ~230 kΩ ✔ output impedance: ~300 ohms ✔ connectors: XLR + 1/4" DI ✔ power: 48V phantom ✔ weight: ~289 g

Royer Labs R-121-MP The Royer Labs R-121-MP is a matched stereo pair of the legendary R-121 ribbon microphone, widely used for professional stereo recording applications. Each pair is carefully matched for identical performance, ensuring accurate stereo imaging and consistency. Sound Character The R-121-MP delivers the classic Royer ribbon sound: warm, natural and highly musical. Key characteristics include: full, rich low end realistic and detailed midrange smooth, non-harsh highs The offset ribbon design provides two tonal options: front → warmer, higher SPL handling rear → brighter and more open Highlights ✔ matched stereo pair (2× R-121 ribbon microphones) ✔ passive figure-8 ribbon design ✔ precision matched for stereo recording ✔ 2.5 µm aluminum ribbon element ✔ patented offset ribbon technology ✔ neodymium magnet system ✔ high SPL capability (>135 dB) ✔ no internal active electronics ✔ very low noise ✔ stable performance under varying conditions ✔ includes: 2 microphones wooden case protective covers Typical Studio Applications ✔ stereo guitar recording ✔ drum overheads and room ✔ brass sections ✔ orchestral recording ✔ piano ✔ stereo techniques (Blumlein, M/S, XY) Technical Specifications ✔ device type: passive stereo ribbon microphone set ✔ polar pattern: figure-8 ✔ principle: electrodynamic pressure gradient ✔ ribbon: 2.5 µm aluminum ✔ frequency response: 30 Hz – 15 kHz ✔ sensitivity: ~−50 dBV/Pa ✔ max SPL: >135 dB ✔ output impedance: 300 ohms ✔ connector: XLR ✔ weight: ~244 g per mic

Royer Labs R-121 The Royer Labs R-121 is a legendary passive ribbon microphone, widely considered a modern standard for professional recording. It combines classic ribbon tone with modern durability and high SPL handling, making it one of the most widely used ribbon mics in studios today. At its core is a 2.5-micron aluminum ribbon paired with powerful neodymium magnets and a patented offset ribbon design. Sound Character The R-121 delivers the classic ribbon sound: warm, natural and smooth. Key characteristics include: full, rich low end realistic, detailed midrange smooth highs without harshness Its offset ribbon design provides two tonal options: front side → warmer and handles higher SPL rear side → brighter and more open Highlights ✔ passive ribbon microphone ✔ classic figure-8 polar pattern ✔ patented offset ribbon design ✔ ultra-thin 2.5 µm aluminum ribbon ✔ high SPL handling (>135 dB) ✔ no phantom power required ✔ extremely low noise ✔ dual tonal character (front/back) ✔ rugged construction for a ribbon mic ✔ handmade in the USA Typical Studio Applications ✔ electric guitar amps ✔ drum overheads and rooms ✔ brass and woodwinds ✔ strings and orchestral recording ✔ acoustic guitar ✔ vocals (especially bright/harsh voices) Technical Specifications ✔ device type: passive ribbon microphone ✔ polar pattern: figure-8 ✔ operating principle: electrodynamic pressure gradient ✔ ribbon: 2.5 µm aluminum ✔ frequency response: 30 Hz – 15 kHz ✔ max SPL: >135 dB ✔ sensitivity: ~-50 dBV/Pa ✔ output impedance: 300 ohms ✔ connector: XLR ✔ weight: ~244 g

Royer Labs R-122 MKII-MP The Royer Labs R-122 MKII-MP is a precision matched stereo pair of the R-122 MKII, designed for high-end stereo recording applications. It combines the classic R-121 ribbon motor with modern phantom-powered active electronics, plus added flexibility through pad and high-pass filter controls. Sound Character The R-122 MKII-MP delivers a classic ribbon tone with enhanced clarity and modern precision. Key characteristics include: tight and controlled low end natural, detailed midrange smooth, slightly extended highs Compared to passive ribbon mics: ~13 dB higher output faster transient response less dependency on preamp quality Highlights ✔ matched stereo pair (2× R-122 MKII) ✔ active ribbon microphone (phantom powered) ✔ figure-8 polar pattern ✔ 2.5 µm ribbon element ✔ patented offset ribbon design ✔ neodymium magnet system ✔ active FET head amplifier with transformer ✔ condenser-like output level MKII Features ✔ switchable -15 dB pad ✔ 100 Hz high-pass filter ✔ increased flexibility for close-miking ✔ low self-noise (<18 dB) ✔ high SPL handling (~135 dB) Typical Studio Applications ✔ stereo recording (Blumlein, M/S, XY) ✔ drum overheads and room ✔ piano ✔ guitar amps ✔ orchestral recording ✔ vocals and acoustic instruments Technical Specifications ✔ device type: active stereo ribbon microphone set ✔ polar pattern: figure-8 ✔ principle: ribbon + active electronics ✔ frequency response: 30 Hz – 15 kHz ✔ sensitivity: ~−36 dBV/Pa ✔ self-noise: <18 dB ✔ max SPL: ~135 dB ✔ output impedance: ~200 ohms ✔ pad: −15 dB switchable ✔ high-pass filter: 100 Hz ✔ power: 48V phantom ✔ connector: XLR ✔ weight: ~309 g per mic

Royer Labs R-122V The Royer Labs R-122V is a high-end active tube ribbon microphone, combining classic ribbon design with vacuum tube electronics. It uses the same ribbon transducer as the R-121 but adds a dedicated tube circuit and external power supply, resulting in higher output, increased headroom and enhanced sonic depth. Sound Character The R-122V delivers a rich, detailed and luxurious ribbon tone with added tube depth. Key characteristics include: tight, full low end rich, detailed midrange smooth, natural highs Compared to passive ribbons: higher output more clarity and punch greater headroom The tube stage adds harmonic depth and presence while maintaining the smooth ribbon character. Highlights ✔ active tube ribbon microphone ✔ first professional vacuum tube ribbon mic ✔ patented offset ribbon design ✔ built-in 5840 tube electronics ✔ external power supply included ✔ high output level (similar to condenser mics) ✔ high SPL handling (>135 dB) ✔ optimized impedance matching ✔ low noise ✔ figure-8 polar pattern ✔ dual tonal character (front/back) ✔ handmade in the USA Typical Studio Applications ✔ vocal recording ✔ orchestral and acoustic instruments ✔ guitar amps ✔ drum overheads and rooms ✔ brass and woodwinds ✔ stereo and ambient recording Technical Specifications ✔ device type: active tube ribbon microphone ✔ polar pattern: figure-8 ✔ principle: ribbon + vacuum tube electronics ✔ ribbon: 2.5 µm aluminum ✔ frequency response: 30 Hz – 15 kHz ✔ sensitivity: ~−36 dBV/Pa ✔ self-noise: <18 dB ✔ max SPL: >135 dB ✔ output impedance: 200 ohms ✔ tube: 5840W ✔ power: external PSU ✔ connection: 7-pin → PSU → XLR ✔ weight: ~300 g

Royer Labs R-DB20 dBooster The Royer Labs R-DB20 dBooster is a high-quality active inline microphone preamplifier designed to provide clean gain for passive microphones. It delivers low-noise amplification, allowing ribbon and dynamic microphones to reach their full performance potential. With its transparent gain stage, the dBooster enhances microphone performance in demanding recording situations without altering the natural tonal character. It also reduces the load on downstream preamps and helps maintain optimal gain structure throughout the signal chain. Sound Character The R-DB20 is extremely neutral and transparent. It boosts the signal without changing its tonal balance, preserving the original character of the microphone. Transients remain accurate, noise performance improves, and overall clarity is enhanced. The result is a cleaner, more stable, and professional input signal. Highlights ✔ active inline microphone preamp (signal booster) ✔ ideal for passive ribbon and dynamic microphones ✔ clean, low-noise gain (approx. +20 dB) ✔ transparent sound with no coloration ✔ improves gain structure and headroom of downstream preamps ✔ compact inline XLR design ✔ rugged metal construction ✔ easy integration into existing setups Typical Applications ✔ gain boost for passive ribbon microphones ✔ improving performance of dynamic microphones (especially on low-level sources) ✔ enhancing signal quality before audio interfaces ✔ recording with lower-gain preamps ✔ broadcast and podcast applications Technical Specifications ✔ type: active inline microphone preamplifier ✔ gain: approx. +20 dB ✔ power: phantom power required (48 V) ✔ connections: XLR (in/out) ✔ compatibility: passive microphones (not required for active mics) ✔ format: inline