Phoenix Audio DRS-Q4 Mk2 - Stereo Class A Microphone Pre-Amplifier/DI/EQ - Manual (Page 3)

CONNECTIONS AND CONTROLS
Front Panel
Rotary Gain Sensitivity Switch: The sensitivity switch operates in both Mic and Line Mode. For Microphone
mode the switch’s gain range is marked from -30dB to -70dB. When the LINE switch is pressed in the
sensitivity of the gain control is -30dB lower than the marked gain. Eg: -30 position in LINE mode is 0dB, -
60dB position in LINE mode is -30dB.
Output Level Rotary knob: The Output level knob controls the level at the output XLR on the rear panel
only. It does not affect the input sensitivity.
Level LED’s: The LED’s are marked 0 (Green) and +8 (Red). These are set to illuminate at 0dB and +8dB
(Corresponding to 4 and 6 on a PPM Meter). The LED’s are PPM style metering and have some hysteresis to
allow a better view of fast changing levels.
These LED’s are connected to the OUTPUT stage of the unit to give you a clear view of what level is being
sent to external equipment.
DI Input _” Jack socket: The Jack socket is a TS socket wired Tip-Hot, Sleeve-Cold. The DI input is a high
input impedance circuit (without the use of FETs), and is capable of accepting a wide range of instruments, from
keyboards to guitars and more.
EQL Push Button: Engages the Gyratory Based Eq circuit when depressed.
DI Push Button: Disconnects the Input XLR and engages the DI Jack on the front panel.
HPF Push Button: Engages the High Pass Filter. The filter is active regardless of which input is being used.
Phase Push Button: Reverses the Phase of the Input XLR only.
+48V Push Button: Applies 48V Phantom Power to the Input XLR. The phantom power will be applied to
the XLR in both Mic and Line mode.
Mic/Line Push Button: Switches the Input XLR between Mic and Line (depressed) mode.
Earth Lift Push Button: Disconnects internal 0v from the chassis earth. This is for use when using
microphones with their own PSU, or can be useful in situations where hum is being created by an earth loop.
This push-button does not disconnect the chassis safety earth from the mains earth.
REAR PANEL
Mic Input XLR: This XLR accepts both Microphone and Line level inputs. These can be balanced or
unbalanced inputs.
Output XLR: Transformer balanced output. Can be used at the same time as the Output _” TRS Jack, as
long as total loading does not exceed 200R.
INPUT and OUTPUT connections:
The DRSQ4 mk2 is fitted with an XLR input on the rear panel. The XLR's are industry-standard Pin 1 -
Ground, Pin 2 - Hot, Pin 3 - Cold.
The DI input is a standard 1/4" (6.35mm) mono jack socket (wired Standard - Tip-hot, Sleeve-Ground)
The Output of the unit is on the rear of the unit and is available on both a 3 Pin XLR (wired as the input XLR),
and a Stereo 1/4" (6.35mm) Jack socket (wired Tip-Hot, Ring-Cold, Sleeve-Ground). The outputs are wired in
parallel.