(!!!!!) (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's (28ma and 28.8ma) (same Gm) 1-3% matched
$ 239.99
1 matched quad) 10Y=VT-25 SYLVANIA NOS 1940's in white boxes
1 tube) 28.0ma Gm=2100
1 tube) 28.8ma Gm=2100
Good current range 20-30ma
Vplate=300V Vgrid=-15V
See more: vacuum tube
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 (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's (28ma and 28.8ma) (same Gm) 1-3% matched&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_866fc780-e4a8-4e2b-a832-8cdca14b7b7a.jpg?v=1724691595){kind=link}
 (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's (28ma and 28.8ma) (same Gm) 1-3% matched "Pin It")