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Tube type: |
Double Diode-Triode Detector |
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Tube ID = 25530
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| Identical to |
6ZDH3A
= 6Z-DH3A
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| Similar
Tubes |
6SQ7 (other base)
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| Base |
6-Pin-Base U6A, old, USA
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| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.3 Ampere /
Vf 6.3 Volts /
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| Literature |
-- Collector info (Sammler)
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KoBi
Konrad Birkner
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