 |
| Identical to |
ECH4N
|
| Similar
Tubes |
ECH4 (other shape (e.g. bulb, size))
ECH21 (other base)
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|
| Base |
Europe side contact base P (P8A)
Top contact with a cap
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| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.34 Ampere /
Vf 6.3 Volts /
|
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Wolfgang Lill
Wolfgang Lill
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