(!) 6L6Y RCA metal can (Y=brown bottom) NOS 1955 (78.8ma)

1 tube) 6L6Y RCA metal can (Y=brown bottom) NOS 1955

78.8ma

Gm=6050

TUBE PLUGGED INTO OCTAL SOCKET IN PICTURE

Good Ma range 60-70ma

Good Gm range 5500-6000

– Gates SA-39B compressor 1958
– Fender Twin Reverb UltraLinear 1981