Antique radios, Old Time Radios
PT-171A
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Country:
United States of America (USA)
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| Identical to |
PT-171A
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| Similar
Tubes |
Normally replaceable-slightly different:
UX171A
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Was used by |
Industrial |
| Filament |
Vf 5 Volts / If 0.25 Ampere / Direct |
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 |
Tube Lore (II) p. 214
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PT-171A: Fin Stewart
Fin Stewart
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Just Qvigstad
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