Antique radios, Old Time Radios
DD
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Country:
Netherlands
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| Identical to |
DD
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| Similar
Tubes |
Normally replaceable-slightly different:
AB1
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| Production stop |
Nov.1934 |
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Top contact with a cap.
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| Filament |
Vf 4 Volts / If 0.65 Ampere / Indirect |
| Description |
When Longlife became a Philips licence in November 1934, this tube was re-designated into AB1.
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| Information source |
Radio-Expres, Netherlands 7-9-1934
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DD: RTT 1974 (Franzis)
Martin Renz
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Just Qvigstad
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| Data Compliance |
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