(!!) (BEST PAIR) JAN-CRC-5693 RCA NOS 1961 (2.9ma/2.9ma)

1 pair) JAN-CRC-5693 RCA NOS 1961 original boxes 1 tube) 2.9ma Gm=1600 1 tube) 2.9ma Gm=1600   MATCHED ON AMPLITREX AT1000     5693 Specs: Vplate=250 Vscreen=100V Iplate good range 2.5-3.5ma Gm=1600 (a 5693 is a premium low noise 6SJ7) for: - Musical Paradise MP-301 MK3 amp (2013)- Peluso 2247se Tube mic- Fender clone 1947 Dual Professional- Gibson BR9 1954- Gibson GA-5T 1950's (T=Tremolo)- Gibson GA-50 1950 6L6 power tubes- Gibson GA-20 1951 (Gibson's first post-war design to use a top-mounted chassis, with the tubes hanging down) - Gibson GA-25 1947- FENDER CHAMPION 800 1948-1949- LECTRON JH50 amp- Musical Paradise MP-301 MK2 Integrated Amplifier (2011)- Audio Note M10 Signature- Darkvoice La Figaro 339 headamp