(!!!) (BEST PAIR #2) 47 RCA branded ARCTURUS NOS 1940's (40ma and 40.2ma)
$ 69.99
1 platinum pair) 47 RCA branded ARCTURUS NOS 1940's
1 tube) 40.2ma Gm=3000
1 tube) 40.0ma Gm=2800 slightly tilted glass
NOS Ma range 26-31ma
NOS Gm range 2300-2500
(2.5 watts)
(2.5V filament)
See more: vacuum tube
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 (BEST PAIR #2) 47 RCA branded ARCTURUS NOS 1940's (40ma and 40.2ma) "Pin It")
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