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(!!!) (Best Overall UV-99) C-299=UV-99 Cunningham NOS 1920's with tube data sheet (3.4ma) (highest Ma) (UV have small pins)
(!!!) (Best Overall UV-99) C-299=UV-99 Cunningham NOS 1920's with tube data sheet (3.4ma) (highest Ma) (UV have small pins)
By Tube World
$ 79.99
C-299=UV-99 Cunningham NOS 1920's original box with tube data sheet
Iplate=3.4ma
Gm=400
Vplate=90V
Vgrid=-4.5V
NOS mA 2.5ma+
NOS Gm 300-400
(UV-99 and UX-99 have a 3.3V @ .063ma Filament, UV base has smaller size pins)
See more: vacuum tube
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 (Best Overall UV-99) C-299=UV-99 Cunningham NOS 1920's with tube data sheet (3.4ma) (highest Ma) (UV have small pins) "Pin It")