On 01/08/2014 04:43 PM, Fons Adriaensen wrote: > On Wed, Jan 08, 2014 at 03:51:41PM +0100, Robin Gareus wrote: > >> I had calibrated -18dBFS on all of them to the same source (a 1KHz sine, >> which I believe to be 0 dBu). That's how I found out about the rubber >> controls effect in the first place. > > O dBu ? So you measured the line inputs, not the mics ? I don't think I did. I used an unbalanced jack (out from a 4th soundcard) -> balanced XLR (pin 2,3) to calibrate. Then a XLR plug with a resistor between pin 2,3 for the noise measurement. Cheers! robin _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user