Antique radios, Old Time Radios
ZP201A
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Country:
United States of America (USA)
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| Identical to |
ZP201A
= UX201A
= CX301A
= 101A
= 201A
= 01A
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| First Source
(s) |
May.1927 : Radio Broedcast, May 1927, p.71
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Filament |
Vf 5 Volts / If 0.25 Ampere / Direct / Specified voltage AC/DC |
| Description |
So called Zetka Process (Z-P), "Power" tube being pin and heater compatible with ordinary 201A's (¼ amp). In fact hardly more than a good UX201A...
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Dimensions (WHD)
incl. pins / tip |
x 108 x 45 mm / x 4.25 x 1.77 inch |
| Weight |
47 g / 1.66 oz |
| Information source |
Saga of the Vacuum Tube, Tyne p.365
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ZP201A: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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