(!) (#1 Type 30 single) 30 RCA Victor NOS 1940's original box (4.3ma)
$ 19.99
1 tube) 30 RCA Victor NOS 1940's original box
4.3ma
Gm=1000
tested on Amplitrex
NOS Ma 3.1ma
NOS Gm 900
See more: vacuum tube
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 (#1 Type 30 single) 30 RCA Victor NOS 1940's original box (4.3ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_e0e302a4-07cd-4321-a1c5-4140dd18530c.jpg?v=1571438868){kind=link}
 (#1 Type 30 single) 30 RCA Victor NOS 1940's original box (4.3ma) "Pin It")