(!) (slightly micrphinic single) 12AT7 RCA black plates NOS D getter halo 1959 (12.2/10ma)

1 tube slightly microphonic) 12AT7 RCA black plates NOS D getter halo 1959

1 section) 12.2ma Gm=6200

1 section) 10.0ma Gm=5200

Good Ma range 8-10ma

Good Gm range 4500-5500

small amount of microphonics when glass is tapped

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

– effects pedals