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(!!!) (Best Single) 6U8A Raytheon USA black plates

(!!!) (Best Single) 6U8A Raytheon USA black plates "O" getter NOS 1960's (20.4ma and 9.5ma)

$ 12.99

1 tube) 6U8A Raytheon USA black plates "O" getter NOS 1960's

Triode: 20.4ma Gm=8800 (very good)

Pentode: 9.5ma Gm=5800 (very good)

 

Triode: Good Ma = 14-18ma Good Gm = 7500-8500

Pentode: Good Ma = 8-10 ma Gm=4800-5200

 

 

 

- VOX

- Radford STA-15 Series III 1965

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