(!!!) (BEST OVERALL PAIR) 6L6 GE metal can NOS 1970 (72.5ma and 73.5ma)

1 pair) 6L6 GE metal can NOS 1970 (MC)

1 tube) 72.5ma Gm=5900

1 tube) 73.5ma Gm=6100

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