(!!) (BEST GE Pair) 5963=12AU7 GE branded RCA NOS ribbed plates 1978 (13.0/11.4ma and 12.6/11.4ma)

1 low noise pair) 5963 GE branded RCA NOS ribbed plates 1978

1 tube) 13.0/11.4ma Gm=2500/2400
1 tube) 12.6/11.4ma Gm=2500/2400

(5963=computer rated 12AU7)

– Bottlehead Forplay III

– CAT SL-1L

– Wavelength Sine