(!) (#2 BEST 6688) 6688=E180F Amperex PQ USA NOS/80% gold pins "D" getter halo 1959 (9.2ma)
$ 14.49
1 tube) 6688=E180F Amperex PQ USA NOS gold pins "D" getter halo 1959
9.2ma Gm=14,300
Tested on Amplitrex
(10,000 hour 9-pin frame grid broadband Pentode, variant is 7737)
- Supratek Chenin, Cortese preamp
- Yamamoto 06-3 2010
See more: vacuum tube
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 (#2 BEST 6688) 6688=E180F Amperex PQ USA NOS/80% gold pins "D" getter halo 1959 (9.2ma) "Pin It")