Antique radios, Old Time Radios
21YP4A
Country:
United States of America (USA)
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Identical to |
21YP4A
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Filament |
Vf 6.3 Volts / If 0.6 Ampere / Indirect |
Information source |
Essential Characteristics, GE 1973
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21YP4A: Essential Characteristics
Anonymous 15 Collector
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21YP4A: My schematic colection.
Pier Antonio Aluffi
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):158
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