Antique radios, Old Time Radios
J71
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Country:
United States of America (USA)
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| Identical to |
J71
= CX371
|
| Similar
Tubes |
Normally replaceable-slightly different:
171
; 71
; C-171
; UX171
|
| First year |
Oct.1926
Saga of the Vacuum Tube, Tyne page 344
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 5 Volts / If 0.25 Ampere / Direct / Battery = |
Dimensions (WHD)
incl. pins / tip |
x 108 x 45 mm / x 4.25 x 1.77 inch |
| Weight |
47 g / 1.66 oz |
|
J71: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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