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(!!!!) (Best Sylvania Pair) 12SN7GT Sylvania chrome top NOS 1956-1957 (8.8/9.4ma and 8.4/9.8ma)

(!!!!) (Best Sylvania Pair) 12SN7GT Sylvania chrome top NOS 1956-1957 (8.8/9.4ma and 8.4/9.8ma)

$ 41.99

1 pair) 12SN7GT Sylvania chrome top NOS 1956-1957 same build

1 tube) 8.8/9.4ma Gm=2700/2900 Rauland by Sylvania 1957

1 tube) 8.4/9.8ma Gm=2700/2900 Sylvania 1956

 

Good NOS Ma range 7-10ma

Good Gm = 2400-2600

Matched on Amplitrex

 

- Mapletree
- McAlister Audio MA-10
- Tom Tutay preamp

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