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