6201=12AT7WA RCA Black Plates "o" getter halo used/like new 1961 (8.6/7.8ma)

1 low noise tube) 12AT7WA=6201 RCA Black Plates "o" getter halo used/like new 1961

slightly tilted glass

8.6ma Gm=5200

7.8ma Gm=4400

- Marshall Electronics MXLV69 Mogami Edition Studio Microphone
- Berning ZH270 amp
- Fender reverb tube
- APEX 460 TUBE MICROPHONE
- VTL amps
- Two Rock

- effects pedals