Phoenix Audio: DRS-1 - Mono Class A Microphone Pre-Amplifier/DI

The DRS-1 Mic-Pre/DI uses our well proven and loved Class A output stage (DSOP-2), but also has our latest breakthrough in transformerless Class A, Discrete Mic Input Technology which gives a “valve-like” sound. It also incorporates our high input impedance DI circuitry. 


1U half rack space unit: With 240V/110V mains voltage input selector switch  
Class A (DSOP2) Output specs. Frequency response: 20Hz to 20kHz +- 0.5dB, Maximum Output = +26dBu @ 1kHz, Noise = -90dB @ 20Hz to 20kHz. 
Output connections: XLR’s and TSR 1/4″ Jack on rear 
Phoenix Audio’s unique Class A, transformerless, True balanced Mic input stage. Microphone inputs: XLR’s on Front and Rear Panels 
Individual Earth Lift: Push-button Switches 
Gain Range (Mic input): -30 to -70 in 5dB steps With 10dB more available on the fader. 
Gain reduction: -30dB push-button Mic/Line switch (Mic input) 
High Input Impedance DI: Mono 1/4″ Jack on front panel 
Gain Meter: LED Metering. (Green = 0dB, Red= +8dB, corresponding to “4” and “6” on a PPM Meter). 
Phantom Power: Switchable phantom on Push-button Switche 
High Pass Filter: on Push-button Switch 
Phase Reverse: on Push-button Switch 
Frequency Response Mic Input Stage: -0.4dB @ 40Hz, -0.3dB @ 25kHz 
Frequency Response: DI Input Stage: -0.3dB @ 40Hz, – 0.5dB @ 25kHz 
Typical Headroom: +24dB on Mic-Pre stage 
DI Stage gain: Maximum of 20dB 
All units are wired with PTFE silver military grade cable

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