Antique radios, Old Time Radios
TU247
|
Country:
United States of America (USA)
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|
| Identical to |
TU247
|
| Similar
Tubes |
Normally replaceable-slightly different:
247
; 447
; 47
; F247
; UY-247
; UY247
|
| Base |
UY-Base, 5 Pins (USA, April 1927)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.5 Volts / If 1.75 Ampere / Direct / Specified voltage AC/DC |
Dimensions (WHD)
incl. pins / tip |
x 137 x 54 mm / x 5.39 x 2.13 inch |
| Weight |
59 g / 2.08 oz |
| Information source |
-- Original prospect or advert "L'Antenna, No 23, 15th December 1931
|
|
TU247: My book.
Pier Antonio Aluffi
More ...
|
Just Qvigstad
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TU247: My book
Pier Antonio Aluffi
More ...
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