(!!!) (BEST PAIR #3) 6463 GE NOS 1965 (14.5/12.8ma and 13.5/13.7ma) Title: 6463 GE PAIR

1 pair) 6463 GE NOS “”O”” getter same date codes 1965 (SU)

1 tube) 14.5/12.8ma Gm=5600/5200

1 tube) 13.5/13.7ma Gm=5700/5300

Tested on Amplitrex

Vplate=250V

Vgrid=-9V

Good Ma =12-15ma

Good Gm = 5000

Filament=12.6VCT @ 300ma, 10,000 hour computer rated duotriode, 4.4W
DIFFERENT PINOUT than a ECC86, CANNOT! be directly subbed!
9CY pinout pattern, which is same as a 6350

– Audio Tekne TFM-9412
– Nuclear Reactor
– Komuro 212E amp