(!!!) (Best Pair) 6GK5=6FQ5A Matsushita Japan rebranded Raytheon NOS (12/13ma)
$ 34.99
1 pair) 6GK5=6FQ5A Matsushita Japan rebranded Raytheon NOS
1 tube) 12ma Gm=13,000
1 tube) 13ma Gm=14,200
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
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