| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Pentagrid-Converter (Heptode) Pentagrid (old) |
|
Tube ID = 2617
|
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| Identical to |
1A7G
|
| Similar
Tubes |
DK32_Mullard (can normally be replaced - small diff'ce)
|
| First Source
(s) |
10.Jun.1938 : Electron Tube Registration List
|
| Successor Tubes |
1R5
|
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ut)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Battery = /
If: 0.05 Ampere /
Vf 1.4 Volts /
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
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Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
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Radio-Tubes, Societe des Editons Radio
Júlio Branco
|
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Telefunken Werkstattbuch
Wolfgang Bauer
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Grundig Rö-Tabu, zum M1, Band 3, 1948
Anonymous 15 Collector
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