EC92=6AB4 Siemens Halske NOS 1969 (8.6ma)
$ 29.99
EC92 Siemens Halske NOS 1969 in white box
1 tube) 8.6ma Gm=5100
Tested on Amplitrex:
Vplate=250V
Vgrid=-2V
Good Ma range 7.5-10ma
Good Gm 5000-6000
(low noise, balanced, nice detail and extension)
See more: vacuum tube
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