Phoenix Audio DRS-Q4 Mk2 User Manual
PHOENIX AUDIO
Costa Mesa
CA 92626
USA
Telephone +1 866 302 1091
Email : sales@phoenixaudio.net
Owner’s Manual
Firstly, let us congratulate you on your purchase of the DRSQ-4 mk2 Microphone PreAmplifier/DI/Eq. The DRSQ-4 mk2is a 4 Band Gyratory-based Eq with 11 selectable
frequencies, and Mic, Line, and DI inputs We know you will be as pleased with it’s sonic
qualities as we are.
You are now the proud owner of a Mic-pre/DI/Eq that has the advantages of more than 25
years experience in audio engineering, today’s component and manufacturing technology, but
still retaining “that sound” uniquely achievable through Class A design.
As you can tell, Phoenix Audio is dedicated to the development of Class A discrete
technology used within high build-quality equipment.
The DRS-Q4 mk2 uses our well proven and loved Class A output stage (DSOP-2), but
also has our latest breakthrough in transformer-less Class A, Discrete, truly-balanced
Mic Input Technology which gives a "valve-like" sound. It also incorporates our high
input impedance DI circuitry.
You CAN hear the difference!!!
DRS-Q4 mk2 Specifications
1U rack space unit: With 240V/110V mains voltage input selector switch
Class A (DSOP-2) Output specs. Frequency response: 20Hz to 20kHz +- 0.5dB,
Maximum Output Level: +26dBu @ 1kHz
Noise: -90dB @ 20Hz to 20kHz.
Output connections: XLR and TSR 1/4" Jack on rear
Phoenix Audio’s unique Class A, transformer-less, True balanced Mic input stage.
Microphone/Line input: XLR on Rear Panel
DI inputs: _” TSR Jack on Front Panel
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 pad push-button Mic/Line switch (Mic input)
High Input Impedance DI: Mono 1/4" Jack on front panel (no FETs)
Gain Meter: LED Metering. (Green = 0dB, Yellow = +8dB, corresponding to “4” and “6”
on a PPM Meter).
Phantom Power: Switchable phantom on Push-button Switch
High Pass Filter: Roll-off starts at 120Hz @ 12dB per Octave.
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: +26dB on Mic-Pre stage
Gyratory-based EQ Frequency Centres: (4 Bands) High - 15K, 10K, Hi Mid - 6K, 3K,
1K6, Low Mid – 800Hz, 400Hz, 200Hz, Low - 130Hz, 80Hz, 40Hz
EQ Cut/Boost Levels: 16dB Cut/Boost Per Band with fully detented pots in 21 positions
DI Stage gain: Maximum of 30dB
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