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(!!!!) (BEST QUAD) 403B=6AK5 Western Electric NOS "D" getter 1969 matched set of 4 (6.9, 6.9, 7.1, 7.2ma)
(!!!!) (BEST QUAD) 403B=6AK5 Western Electric NOS "D" getter 1969 matched set of 4 (6.9, 6.9, 7.1, 7.2ma)
$ 129.99
1 matched quad) 403B Western Electric NOS "D" getter 1969 original boxes
1 tube) 6.9ma Gm=4900
1 tube) 6.9ma Gm=4800
1 tube) 7.1ma Gm=4900
1 tube) 7.2ma Gm=4600
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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 (BEST QUAD) 403B=6AK5 Western Electric NOS "D" getter 1969 matched set of 4 (6.9, 6.9, 7.1, 7.2ma) "Pin It")