Archive for discrete transistor

Universal Audio 1108 & 508

Posted in Racked Modules, Restored with tags , , , , , , , , , , , , , on October 7, 2012 by AnalogAudioRepair

This is a set of vintage Universal Audio (UA / Urei) 1108 discrete transistor microphone preamplifiers with matching 508 passive equalizers.  The preamps are transformer in and out and sound amazing.  The EQs use passive capacitors and inductors for simple but smooth EQ.  Restored and racked with phantom power and gain pots.

Yamaha PM1000

Posted in Modded, Racked Modules with tags , , , , , , , , , , , on September 19, 2012 by AnalogAudioRepair

Yamaha PM1000 discrete transistor console strips cut down, recapped, modded, and racked as mic pres with EQ.

Telefunken W95C EQ

Posted in Racked Modules with tags , , , , , on August 5, 2012 by AnalogAudioRepair

Single Telefunken W95C discrete equalizer module.  Racked with power supply and XLR in/out.

RCA BA-31 Preamps

Posted in Racked Modules with tags , , , , , , on August 5, 2012 by AnalogAudioRepair

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