6688 GE 5 Star used/good (7.2ma)
$ 5.99
6688/6688A GE 5 star used/good 1966
7.2ma
Gm=12,600
(10,000 hour 9-pin frame grid broadband Pentode, variant is 7737)
- Supratek Chenin, Cortese preamp
- Yamamoto 06-3 2010
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