SM Pro Audio Q-Pre: 4 channel microphone preamp - Manual (Page 6)

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8. Q-DI Main Features
Professional, multi-purpose DI Box/
Line mixer for stage and studio ap-
plications.
• Four totally independent DI Box units in 1/2 RU package
• Independent 20dB PAD switch per channel
• Independent earth (Ground) lift switch per channel
• Independent rotary volume control per channel for line mixer output
• Independent rotary pan control per channel for line mixer output
• Master Volume
• Headphone output
9. INTRODUCTION
The Q-DI features 4 independent DI Boxes! That‘s right! 4 independent DI (direct
injection) unbalanced to balanced line converters. This is fantastic news for many
uses in the studio or onthe road in live PA applications.
In addition, the Q-DI also functions as multi-channel stereo line mixer. This is an in-
geniousfeature which will many musicians will find incredibly useful in live situations.
Just think! You can plug all your keyboards, samplers & modules into just one rack
unit on stage and supply independent XLR balanced outputs to the stage box for the
front of house engineer. AND set your own independent mix for stage monitoring..
cool! In Addition you have your own Headphone output on the unit.
10. Q-DI front panel
10.1 Rotary volume controls for each channel to line mixer stereo output
Use these variable controls to set the level of each channel signal level sent
to the stereo master output section.
10.2 Rotary pan controls for each channel to line mixer stereo output
Use these variable controls to set the pan of each channel signal level sent
to the stereo master output section
10.3 Four independent 20 dB/40 dB PAD switches
Use these switches to PAD each input channel signal level by 20dB or 40dB.
Use this only if you have an extremely high input signal strength.
10.4 Four independent earth lift switches
Use these switches to lift the earth in the input signal of the current channel.
10.5 Unbalanced (TS) audio input jack
Connect your unbalanced line signals here.
10.6 Master volume control
This sets the overall output volume of the stereo mixer and the headphone amp.