(!!!) (BEST SINGLE) 6SN7GTB RCA coin-base 1973-1974 (9.8/9.8ma) 1-2% section balance

1 low noise tube) 6SN7GTB RCA coin-base 1973-1974

9.8ma Gm=2800

9.8ma Gm=2900

- Conrad-Johnson CAV-50 intergrated amp
- Atma-Sphere MA-1 Mk II.2 Amplifier
- Antique Sound Lab AQ1006 Mono Block amps
- CARY preamps and amps
- Rogue Metis 2004
- Wright Sound

- CARY SLP-05 preamp
- Atma-Sphere OTL amp
- Cary CAD 300SEI