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Qu Mixer User Guide 19 AP9372 iss.1

Preamp

An analogue preamplifier (‘head amp’) matches each

connected microphone or line signal to the operating

level of the console before it gets converted to digital

to be processed and mixed with the other channels.

Source lets you choose one of four sources as the

input to the channel:

Local – Mic/Line sockets on the Qu rear panel.

dSNK – Remote preamps via dSNAKE.

Qu-Drv – Playback from USB hard drive.

USB B – Audio streaming from a Mac computer.

Press the Fn key to open the Source Select

screen.

Touch the CH buttons to highlight those you

wish to change. Select the source from the list.

Channel Preamp source

Local (red Gain) – Rear panel Mic/Line sockets

feeding the internal Qu mixer preamps. These are pad-

less preamps featuring wide gain range.

dSNAKE (yellow Gain) – Remote preamps located in

an AR2412 or AR84 AudioRack on stage or other

remote location and connected to the Qu dSNAKE

port via a Cat5 cable. The AudioRack preamps include

20dB Pad switching.

Channel USB source

Qu-Drive source (blue Gain) – Stereo or multitrack

playback from a USB hard drive plugged into the top

panel Qu-Drive port. Provides a +/-24dB Trim control.

USB B source (blue Gain) – Multi-channel streaming

from a Mac computer via the rear panel USB B port.

Provides a +/-24dB Trim control.

The panel USB Select key in the SuperStrip switches

between the current Preamp source (Local or

dSNAKE) and the current USB source (Qu-Drive or

USB B).

Phantom Power

Turn on 48V if the connected device requires phantom

power, for example a condenser microphone or active

DI box. Touch and hold for 1 second to toggle on or

off. This prevents accidental operation.

Note - To prevent audible thumps make sure the

channel is muted before switching 48V on or off.

Gain

Choose either Qu-Drive or USB (affects all channels)

Local (red Gain) dSNAKE (yellow Gain)

Qu-Drive (dark blue Gain) USB B (Light blue Gain)

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