Home » (!!) (Best Pair) 10=VT-25 Sylvania and Sylvania branded Tungsol NOS 1940's (26.5ma and 29ma)

(!!) (Best Pair) 10=VT-25 Sylvania and Sylvania branded Tungsol NOS 1940's (26.5ma and 29ma)

$ 218.88

1 pair) 10=VT-25 Sylvania and Sylvania branded Tungsol NOS 1940's in white boxes

same internal build
Tungsol has extra getter flashing on glass

1 tube) 26.5ma Gm=2100 Sylvania branded Tungsol

1 tube) 29.0ma Gm=2200 (JAN-CHS-10Y=VT-25 SYLVANIA) a few scratches over printing area

Good Ma range 20-30ma

Good Gm = 1700-2000

Vplate=300V

Vgrid=-15V

See more: vacuum tube

Tags: 10, 10Y, 1940's, 1954, brown base, Hytron, RCA, triode, VT-25, vt25

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