(!) (#2 6688 Single) 6688=E180F Amperex PQ Holland NOS "O" getter gold pins 1962 (12ma)
$ 17.99
1 tube) 6688=E180F Amperex PQ Holland NOS "O" getter gold pins 1962
12ma
Gm=15,600
(10,000 hour 9-pin frame grid broadband Pentode, variant is 7737)
- Supratek Chenin, Cortese preamp
- Yamamoto 06-3 2010
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