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(!!!) (~ Good Value Pair ~) 6922 Amperex PQ USA used/good 1967-1971 closely matched

(!!!) (~ Good Value Pair ~) 6922 Amperex PQ USA used/good 1967-1971 closely matched

$ 74.99

1 low noise pair) 6922 Amperex PQ USA used/very good 1967-1971 in white boxes
1 tube) 10/10ma Gm=10,300/10,500 (1967) on left
1 tube) 9.5/11.2ma Gm=10,100/11,200 (1971) faded printing - on right

 

Good Ma range used = 9-12ma

Good Gm used = 9000 - 11,000

 

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