Why is my mixed signal softer than the prefader signal?

  • Thread starter Thread starter Bas van Dijk
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Bas van Dijk

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Hi Guys,
Been playing in bands for years but never did any mixing myself. Just to learn a bit I recently bought a Behringer Xenyx mixer. Trying to record to my PC.

I have a question. When I route output from my soundcard to one of the (stereo) channels and switch the channel to SOLO and select the 'Pre fader listening/level set' mode, the VU meters give about +5 dB peak output when I play a CD from my PC on maximum volume. This makes sense, it's line level output into a line channel. Fine, I understand that.
Now I disable solo and put the fader for that channel on 0 dB and the main fader also on 0 dB. I would expect the VU meter now to indicate the same level, but its about 7 dB down.

How can this be? Is it just because it's a cheap mixer? Or is the PFL mono and does it combine the two channels making it twice as loud (which would be 6 dB, sort of adds up).
Can't find it in the manual.

Thanks,
Bas
 
Found it

Just answered my own question: when I'm in PFL mode and unplug one of the two channels from the input it indeed drops to the expected level.
 
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