Antique radios, Old Time Radios
256
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Country:
United States of America (USA)
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| Identical to |
256
= PH256
= 56
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| Similar
Tubes |
Normally replaceable-slightly different:
Z56
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| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=H)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.5 Volts / If 1 Ampere / Indirect |
Dimensions (WHD)
incl. pins / tip |
x 108 x 38 mm / x 4.25 x 1.50 inch |
| Weight |
34 g / 1.20 oz |
| Tube prices |
2 Tube prices (visible for members
only)
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| Information source |
Babani, International Radio Tube Encyclopaedia p. 30 & 31
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 122, p. 156
-- Collector info (Sammler)
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256: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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