(!!) (Best Single) 26 Deforest Audion balloon tests like new 1920's (8.3ma, Gm=1300)
$ 34.99
26 Deforest Audion balloon tests like new 1920's in white box
8.3ma
Gm=1300
Good NOS Ma range 5.5-6.2ma
Good NOS Gm range 1000-1100
See more: vacuum tube
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