(!!!) (Good Value Pair) 6GK5=6FQ5A Sylvania rebranded Raytheon NOS (8ma and 8ma)
$ 24.99
1 pair) 6GK5=6FQ5A Sylvania rebranded Raytheon NOS
1 tube) 8.0ma Gm=11,800
1 tube) 8.0ma Gm=12,100
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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 (Good Value Pair) 6GK5=6FQ5A Sylvania rebranded Raytheon NOS (8ma and 8ma) "Pin It")