Antique radios, Old Time Radios
12DM4
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| Tube type: |
Half-Wave Vacuum Rectifier |
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| Identical to |
12DM4
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
Vf 12.6 Volts / If 0.6 Ampere / Indirect |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Essential Characteristics, GE 1973
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12DM4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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12DM4: RTT 1974 (Franzis) 13. Auflage
Martin Renz
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Just Qvigstad
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12DM4: RCA Manual RC-21
Heinz Höger
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