407A LM Ericsson Sweden used/good 1960's
By Tube World
$ 14.99
1 tube) 407A LM Ericsson Sweden used/good 1960's in white box (33/26 and 40/26)
(407A=396A with a 20V filament)
(407B=premium grade 407A with higher Gm and higher plate current specs, 20V Filament)
See more: vacuum tube
Share:
