Analog Audio Repair

A pair of vintage RCA BA-31 discrete transistor microphone preamps with Daven output attenuators.

This entry was posted on August 5, 2012 at 4:19 pm and is filed under Racked Modules with tags BA-31, discrete transistor, microphone, preamp, RCA, transformer, vintage. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.