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(!!!) (Recommended Pair) 5691 RCA red base gray plates 1968-1974 (2.2/2.4ma and 2.1/2.3ma)

(!!!) (Recommended Pair) 5691 RCA red base gray plates 1968-1974 (2.2/2.4ma and 2.1/2.3ma)

By Tube World

$ 359.99

1 low noise pair) 5691 RCA red base gray plates 1968 and 1974 same build

1 tube) 2.2/2.4ma Gm=1500/1600 rebranded Westinghouse 1968

1 tube) 2.1/2.3ma Gm=1600/1700 branded RCA 1974

 

Good Ma 2-3ma

 

for:

- Ampeg Heritage B-15
- Alessandro Itallian Greyhound jazz amp
- Alessandro Black and Tan 2005
- Almarro A318B
- Eddie Current

 

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