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(!!!!!) (Best Overall Quad) 10Y=VT-25 SYLVANIA NOS 1940's (28, 28, 28, 28.8ma) 1-3% matched
(!!!!!) (Best Overall Quad) 10Y=VT-25 SYLVANIA NOS 1940's (28, 28, 28, 28.8ma) 1-3% matched
By Tube World
$ 419.99
1 matched quad) 10Y=VT-25 SYLVANIA NOS 1940's in white boxes
1 tube) 28.0ma Gm=2100
1 tube) 28.0ma Gm=2100
1 tube) 28.0ma Gm=2000 taller bottle
1 tube) 28.8ma Gm=2100
Good current range 20-30ma
Vplate=300V Vgrid=-15V
See more: vacuum tube
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 (Best Overall Quad) 10Y=VT-25 SYLVANIA NOS 1940's (28, 28, 28, 28.8ma) 1-3% matched "Pin It")