Antique radios, Old Time Radios
A2227
Country:
United States of America (USA)
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Identical to |
A2227
= 6F4
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Base |
Acorn 7 pin A7
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Filament |
Vf 6.3 Volts / If 0.225 Ampere / Indirect |
Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 130
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A2227: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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