User Manual
Qu Mixer Reference Guide  53   AP9372 iss.8 
Stereo Playback – You can play back audio files 
from a USB storage device plugged into Qu-Drive: 
  Format = 44.1 or 48kHz, 16 or 24-bit, WAV file 
 Use the USB device with the Qu mixer only. Do not 
use it for other applications. 
Format the USB device on the Qu mixer before 
loading the playback files. Use the Setup / Utility / 
Qu-Drive screen. This clears the drive and sets up the 
Qu directory structure. 
Copy audio WAV files on to USB from your 
computer. Place these in the AHQU / USBPLAY 
directory. Plug the USB device into Qu-Drive. 
Patch the playback to the ST3 channel using the 
Processing / Preamp screen Fn key to open the 
Preamp Source screen. Make sure Qu-Drive is 
selected as the ‘Global USB Source’. Select USB as 
the source for ST3. 
Once you have selected Qu-Drive as the global USB 
source you can also use the panel USB key in the 
Preamp section to toggle between the ST3 preamp 
and USB source. 
Select the track to play back by touching the name 
box. You can choose a track from the Playback or the 
Recordings directory. Touch Select to confirm. 
Press the Fn key for options to choose playback 
mode: 
Qu-Drive Multitrack page – This screen 
presents the controls for multitrack recording to, and 
playback from a USB storage device plugged into the 
top panel Qu-Drive port. 
The blue Stop button lights if the USB device is 
recognised by the mixer. The controls are disabled if a 
device is not plugged in or recognised. 










