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(!!) (2nd Best Pair) 7199 Sylvania NOS 1960's and 1985 same build (12.5ma/9.6ma and 12.3/10.2ma) 1-3% matched
(!!) (2nd Best Pair) 7199 Sylvania NOS 1960's and 1985 same build (12.5ma/9.6ma and 12.3/10.2ma) 1-3% matched
$ 179.99
1 pair) 7199 Sylvania gray plates NOS 1960's and 1985 - same build
1 tube) Sylvania faded printing 1960's
12.5ma Gm=7300 (pentode section) strong
9.6ma Gm=2500 (triode section) strong
1 tube) Sylvania branded Philips 1985
12.3ma and Gm=7100 (pentode section) strong
10.2ma and Gm=2500 (triode section) strong
- Bogen BD-212
- Dynaco ST-70, SCA-35
- Ampeg B25, B25B
- Heathkit AA-111
- Stromberg Carlson
- Ampex Concerto 1961
- Scott LK 150
See more: vacuum tube
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 (2nd Best Pair) 7199 Sylvania NOS 1960's and 1985 same build (12.5ma/9.6ma and 12.3/10.2ma) 1-3% matched&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_c2e4058f-db12-441c-8cde-35532e0011bb.jpg?v=1643651340){kind=link}
 (2nd Best Pair) 7199 Sylvania NOS 1960's and 1985 same build (12.5ma/9.6ma and 12.3/10.2ma) 1-3% matched "Pin It")