Antique radios, Old Time Radios
ECH22
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| Tube type: |
Triode-Heptode Frequency converter Controlling (mu) |
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| Identical to |
ECH22
= CV302
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| Similar
Tubes |
Different connections:
ECH21
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| Base |
Loctal-8, B8G (Sylvania, 1938)
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| Filament |
Vf 6.3 Volts / If 0.33 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Characteristics same as ECH21, base diagram same as 7J7
Text in other
languages (may
differ)
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| Tube prices |
2 Tube prices (visible for members
only)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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ECH22: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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