Noval : B9A
filament : Vf 6.3 Volts / If 0.15 Amps / Indirect / Parallel / series AC / DC /
Literature : Essential Characteristics, GE 1973 Tubular Pocket Table
Actual Brand: RCA
Quantity of Tubes: 1Matched pair
Life Calculation: 100%
Test as NOS: Yes
True NOS: Yes
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