(!!!!!) (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's (25.0ma and 25.6ma) 1-3% matched (same Gm)
$ 199.99
1 tube) 10Y=VT-25 SYLVANIA NOS 1940's in white boxes
1 tube) 25.0ma Gm=2000
1 tube) 25.6ma 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 (25.0ma and 25.6ma) 1-3% matched (same Gm)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_b56ebea0-da36-4f40-abe1-cdcbfb8dfb4f.jpg?v=1708967352){kind=link}
 (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's (25.0ma and 25.6ma) 1-3% matched (same Gm) "Pin It")