(!!!) (Best Single) 6688=E180F Rogers Holland NOS "D" getter gold pins 1958 (18ma)
By Tube World
$ 17.99
1 tube) 6688 Holland branded ROGERS NOS gold pins large D getter halo in Rogers box dated 38-58=1958
18ma
Gm=18,600
(10,000 hour 9-pin frame grid broadband Pentode, variant is 7737)
- Supratek Chenin, Cortese preamp
- Yamamoto 06-3 2010
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