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12J5GT US Brands NOS (11 in stock)

$ 5.99

12J5GT NOS (tested on Amplitrex)

1 tube) VT-135=12J5GT RCA Radiotron NOS 1940's (pictured) (8.2ma Gm=2700)

1 tube) 12J5GT RCA NOS 1953 (5.6ma Gm=2400)

1 tube) 12J5GT RCA NOS 1950 (9.4ma Gm=2900)

1 tube) 12J5GT Sylvania NOS 1940's (pictured) (11.4ma Gm=3100)

1 tube) VT-135=12J5GT Sylvania round plate NOS 1940's (11.2ma Gm=3000)

1 tube) 12J5GT Tungsol NOS 1940's (10.6ma Gm=2800)

1 tube) JAN-CNU-12J5GT Nat. Union Black Ribbed Plate NOS 1952 (7.6ma Gm=2700)

1 tube) 12J5GT Hytron round plate NOS 1940's (6.6ma Gm=2300)

1 tube) 12J5GT Ken Rad round plate NOS 1940's (8ma Gm=2600)

1 tube) 12J5GT RCA NOS 1946 (7ma Gm=2500)

1 tube) 12J5GT RCA NOS 1946 (8.8ma Gm=2900)

Vplate=250V

Vgrid=-8V

Good Ma range 7-9ma

Good Gm range 2400-2600

 

- Transition Audio Design custom phono preamp 2010

 

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