 |
| Identical to |
M8137
= 6057
= CV4004
|
| Similar
Tubes |
ECC83 (other class quality (otherw. equal))
CV492 (other class quality (otherw. equal))
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|
| Base |
Loctal-9-Pin (B9G)
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| Was used by |
Military |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.15 Ampere /
Vf 12.6 Volts /
|
| Description |
Special Quality Version of the ECC83, CV492. Heater centre-tapped for dual voltage operation.
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 |
|
RFJ
Roy Johnson
|
|
ARRL Handbook 1972
Michael Schlör
|
|
Mullard - original papers
Wolfgang Romeyke
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