On Sat, May 13, 2006 at 04:16:28AM +1000, D. Sen wrote: > This is what is being used between the microphone and the multiface: > > http://www.bksv.com/pdf/4416B.pdf This is not a microphone amplifier. It says "[...] signal conditioner for for use with ISOTRON(R) or other piezoelectric voltage mode transducers." According to the figure, it is intended for accelerometers and the like. > This is providing line-level output to the multiface. That depends on its input. It will give line-level output given the input for which it is intended. But it will not give a line-level output regardless of what its input is. Asbjørn