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(!!!!) (Recommended Quad) 403B=6AK5 Western Electric NOS "D" getter 1969 matched set of 4 (4.8, 4.9, 5.1, 5.2ma)
(!!!!) (Recommended Quad) 403B=6AK5 Western Electric NOS "D" getter 1969 matched set of 4 (4.8, 4.9, 5.1, 5.2ma)
$ 99.99
1 matched quad) 403B Western Electric NOS "D" getter 1969 original boxes
1 tube) 4.8ma Gm=3900
1 tube) 4.9ma Gm=3900
1 tube) 5.1ma Gm=4000
1 tube) 5.2ma Gm=4100
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