GE 4BA1 Preamp
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.
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.