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(!!!) (Best Single) 6688=E180F Rogers Holland NOS

(!!!) (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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