Analog Audio Repair

Vintage GE 4BA1 vacuum tube mic preamp.  Recapped (electrolytics inside the old can), re-tubed, and wired up with a restored GenRad regulated power supply.

This entry was posted on August 5, 2012 at 5:23 pm and is filed under Restored with tags 4BA1, GE, General Electric, microphone, preamp, transformer, tube, vintage. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.