(!!) (Recommended Pair) 6GK5=6FQ5A GE NOS 1968-1981 (10.4ma and 11.2ma)
By Tube World
$ 29.99
1 pair) 6GK5=6FQ5A GE NOS same build
1 tube) 10.4ma Gm=14,100 (1981) (HS)
1 tube) 11.2ma Gm=14,600 (1968) GE branded Admiral
Tested on Amplitrex
Good Ma range 9-11ma
Good Gm range 13,00-15,000
- Conrad Johnson Premier 10, 14 preamp and DAC
- Supratek
- Wright
See more: vacuum tube
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 (Recommended Pair) 6GK5=6FQ5A GE NOS 1968-1981 (10.4ma and 11.2ma) "Pin It")