Antique radios, Old Time Radios
6A4
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Country:
United States of America (USA)
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| Identical to |
6A4
= 257_diffdat-2
= LA
= 6A4/LA
= NU-6A4
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| Similar
Tubes |
Normally replaceable-slightly different:
KR5
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| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=Hy)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Direct / Specified voltage AND current AC/DC |
| Description |
This tube was designed for DC use and the tube was given RCA development no A468. It had a suppressor wired to the centre of the filament.
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Dimensions (WHD)
incl. pins / tip |
x 119 x 45 mm / x 4.69 x 1.77 inch |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Essential Characteristics, GE 1973
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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6A4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Anonymous 10 Collector
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6A4: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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6A4: Cunningham Radiotron Manual
Peter Hoddow
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4
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