Antique radios, Old Time Radios
1620_Pentode
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Country:
United States of America (USA)
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| Identical to |
1620_Pentode
= CV657
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| Similar
Tubes |
Other class quality (otherwise equal):
6J7
Other base and other heater:
310B
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| Predecessor Tubes |
1609
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC |
| Description |
Low-microphonic version of 6J7.
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| Information source |
Tube Lore (I)
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1620_Pentode: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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1620_Pentode: Babani 1951-1954
Patrice Zeissloff
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6
Collection of
Collection of a member from CH |
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