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1 Win 7 Sound Playback set to USB Audio Codec, Level 100.
2 Win 7 Sound Recording set to USB Audio Codec, Level 100.
3 Tested the Windows Accessories Sound Recorder it is not getting anything for the mic plugged into the Alto. (Phantom power is on)
Got BIAB and RB Options for Audio both set to MME Drivers on USB Codec.
4 Is it the Cable. I have 2, both do the same on the Alto, both work perfectly on the Wharfdale.
5 Is it the USB Port on the PC. Not the PC because the Wharfdale works so could be the USB Port on the Alto.
6 Got the USB In selector on the Alto set to Control.
7 Got the headphones plugged into the Alto selected Control.
8 Loaded a SEQ file in RB. Hit play and I hear the music.
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This appears to be a routing issue at the mixer. The cable appears to be ok with no issues. The reason the Wharfdale is working and the Alto is not is a routing configuration issue and likely not a defect.

Once the mixer routing is correct, the mixer output connectivity into Biab, RB or Sound Recorder will work.

Regarding Main Out/CTRL out and the USB connection, these terms do not mean the physical outputs on the back of the mixer used to send audio to a PA system and monitors but are the Routing Options for the mixer to send audio signals and returns between the mixer and computer via the USB connection.

First set your mixer up so that you have a mic signal that is traveling from the Channel Strip through to the main mix output. The Live 802 User guide states the path from the mixer through the USB cable (SEND) to the computer only sends a signal from the mixer Main Out to the computer. (6) (7) The USB In button and knob determine where the signal from the computer is routed into the mixer. The Main Mix Fader determines the output level to to the computer.

You can determine if you have a proper signal routed through the mixer either with the meters or a headphone set to main out. The mixer does not have to be connected to a PA.

If you plug in your headphones and are hearing the output of the computer, that signal can be routed (mixed and volume controlled in the mixer) so either the Monitor fader or the Main Out fader controls the input signal in the mixer. (8)

BIAB 2025:RB 2025, Latest builds: Dell Optiplex 7040 Desktop; Windows-10-64 bit, Intel Core i7-6700 3.4GHz CPU and 16 GB Ram Memory.