(!!!) (BEST PAIR #1) 47 RCA branded ARCTURUS NOS 1940's (34.5ma and 35.2ma)
$69.99
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1 platinum pair) 47 RCA branded ARCTURUS NOS 1940's 1 tube) 34.5ma Gm=2620 1 tube) 35.2ma Gm=2640 NOS Ma range 26-31ma NOS Gm range 2300-2500 (2.5 watts) (2.5V filament)
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