 |
| Identical to |
ECH4A
|
| Similar
Tubes |
ECH4 (other base)
ECH4G (Multiple differences or of other kind)
|
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
|
| Description |
ECH4 mit Oktal-Sockel, Vergleich Belegung zur ECH4K muss noch gemacht werden,
Unterschied zu ECH4G und ECH34 noch unklar, möglicherweise identisch.
Text in other
languages (may
differ)
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M.C.
Alessandro De Poi
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schematic diagram
Jacob Roschy
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