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(!!!!) (Recommended Pair) 403B Western Electric NOS

(!!!!) (Recommended Pair) 403B Western Electric NOS "O" getter halo 1977-1980 (6.4/6.1ma)

$ 34.99

1 matched pair) 403B Western Electric NOS "O" getter halo 1977-1980

1 tube) 6.4ma Gm=4600 (7713=1977)

1 tube) 6.1ma Gm=4400 (8039=1980)

 

Matched on Amplitrex

Vplate=180V

Vscreen=120V

Vgrid=-2V

Good Iplate = 5.5 - 7ma

Good Gm = 4000-5100

 

Recommended for

- Little Dot Mk3

- Little Dot Mk4 SE

- Grant Fidelity tube buffer

- CAD Trion tube microphone

- Miniwatt EL84 amp

- Grant Fidelity B283

- Darkvoice 332

- Yaqin CD 2

See more: vacuum tube
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