Antique radios, Old Time Radios
ER551
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Country:
United States of America (USA)
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| Identical to |
ER551
= 551
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| Similar
Tubes |
Normally replaceable-slightly different:
235
; 435
; C335
; SY235
; UY235
|
| Base |
UY-Base, 5 Pins (USA, April 1927)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC |
Dimensions (WHD)
incl. pins / tip |
x 123 x 45 mm / x 4.84 x 1.77 inch |
| Weight |
50 g / 1.76 oz |
| Information source |
Tube Lore (II) p. 27 #551 tube
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ER551: Peter den Boer
Fin Stewart
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Just Qvigstad
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Collection of
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