Royer Labs SF-24V The Royer Labs SF-24V is a flagship tube stereo ribbon microphone, representing the highest level of performance in Royer’s SF series. It combines two matched ribbon elements in a fixed Blumlein configuration with high-voltage vacuum tube electronics, delivering exceptional stereo imaging and depth. Each channel features its own tube amplification stage, ensuring maximum headroom and sonic precision. Sound Character The SF-24V delivers an ultra-detailed, spacious and luxurious ribbon sound with tube depth. Key characteristics include: deep, natural low end rich and highly detailed midrange smooth yet airy high frequencies The tube circuitry adds: → increased clarity, air and dimensionality Compared to the SF-24: higher headroom more depth and realism more refined, audiophile sound Highlights ✔ tube stereo ribbon microphone ✔ dual matched ribbons in Blumlein configuration ✔ independent dual tube signal paths ✔ JAN 5840W tube electronics ✔ dedicated external power supply ✔ high output level ✔ minimal off-axis coloration ✔ excellent transient response ✔ no high-frequency phase distortion ✔ true stereo recording (Blumlein & M/S) ✔ ultra-low self-noise (<18 dB) ✔ handmade in the USA Typical Studio Applications ✔ orchestral recording ✔ film scoring ✔ piano ✔ drum overheads and room ✔ choir and ensembles ✔ high-end stereo capture Technical Specifications ✔ device type: tube stereo ribbon microphone ✔ polar pattern: dual figure-8 (Blumlein) ✔ principle: ribbon + vacuum tube electronics ✔ ribbons: 1.8 µm aluminum ✔ frequency response: ~40 Hz – 15 kHz ✔ sensitivity: ~−38 dBV/Pa ✔ self-noise: <18 dB ✔ max SPL: >130 dB ✔ output impedance: ~200 ohms ✔ tube: JAN 5840W ✔ connection: 7-pin → PSU → dual XLR ✔ weight: ~583 g

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 SF-12 The Royer Labs SF-12 is a high-end stereo ribbon microphone, combining two perfectly matched ribbon elements into a single coincident stereo array. The ribbons are fixed in a Blumlein configuration (±45°), delivering exceptionally accurate stereo imaging and natural spatial depth. Sound Character The SF-12 delivers an extremely natural, spacious and realistic ribbon sound. Key characteristics include: precise stereo imaging with depth smooth, natural midrange soft, non-harsh high frequencies Its minimal off-axis coloration ensures consistent and realistic sound reproduction, even in complex environments. Highlights ✔ stereo ribbon microphone (true coincident stereo) ✔ dual matched ribbon elements ✔ fixed Blumlein configuration ✔ figure-8 pattern per element ✔ ultra-thin 1.8 µm aluminum ribbons ✔ excellent transient response ✔ minimal off-axis coloration ✔ no active electronics → very low noise ✔ high SPL handling (>130 dB) ✔ true stereo recording from a single microphone ✔ includes splitter cable (5-pin to dual XLR) Typical Studio Applications ✔ stereo recording (Blumlein / M-S) ✔ orchestras and ensembles ✔ piano recording ✔ drum overheads and room miking ✔ acoustic instruments ✔ ambient and film recording Technical Specifications ✔ device type: passive stereo ribbon microphone ✔ polar pattern: dual figure-8 (Blumlein) ✔ operating principle: electrodynamic pressure gradient ✔ ribbons: 2× 1.8 µm aluminum ✔ frequency response: 30 Hz – 15 kHz ✔ max SPL: >130 dB ✔ sensitivity: ~−52 dBV/Pa ✔ output impedance: 300 ohms ✔ connection: 5-pin XLR → dual XLR ✔ weight: ~369 g

Royer Labs SF-2 The Royer Labs SF-2 is a high-end active ribbon microphone, designed for professional recording applications requiring maximum accuracy and realism. Based on the original SF-1, it incorporates phantom-powered active electronics, delivering higher output, improved impedance matching and greater flexibility. Sound Character The SF-2 delivers an extremely natural, transparent and detailed ribbon sound. Key characteristics include: neutral and accurate midrange smooth, resonance-free high frequencies realistic spatial depth and imaging Its design ensures a uniform frequency response without peaks, resulting in a highly truthful sound reproduction. Highlights ✔ active ribbon microphone (phantom powered) ✔ classic figure-8 polar pattern ✔ based on the SF-1 design ✔ 1.8 µm ribbon element ✔ built-in active electronics (FET + transformer) ✔ condenser-like sensitivity ✔ ultra-low self-noise (<18 dB) ✔ consistent performance regardless of preamp ✔ optimized impedance matching ✔ handcrafted in the USA Typical Studio Applications ✔ orchestral and classical recording ✔ acoustic instruments ✔ piano ✔ brass and woodwinds ✔ room and ambient recording ✔ high-end vocal recording Technical Specifications ✔ device type: active ribbon microphone ✔ polar pattern: figure-8 ✔ principle: ribbon + active electronics ✔ ribbon: 1.8 µm aluminum ✔ frequency response: 30 Hz – 15 kHz ✔ sensitivity: ~−38 dBV/Pa ✔ self-noise: <18 dB ✔ max SPL: >130 dB ✔ output impedance: 200 ohms ✔ power: 48V phantom ✔ connector: XLR