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6688A=E180F Amperex PQ USA gold pins NOS 1968 (13.2ma)

$ 13.99

1 tube) 6688A=E180F Amperex PQ USA gold pins NOS 1968

13.2ma

Gm=16,400

 

 

(10,000 hour 9-pin frame grid broadband Pentode, variant is 7737)

- Supratek Chenin, Cortese preamp
- Yamamoto 06-3 2010

 

 

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