Antique radios, Old Time Radios
4PR1000A
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Country:
United States of America (USA)
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| Identical to |
4PR1000A
= 8189
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| Similar
Tubes |
Other characteristic (electr. data):
YU204
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| Base |
SPECIAL TUBEBASE in general
Top contact with a cap.
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| Filament |
Vf 7.5 Volts / If 21.3 Ampere / Direct |
| Description |
Intended for use in pulse-modulator, pulsed-amplifier, and pulsed-oscillator service.
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Dimensions (WHD)
incl. pins / tip |
132 x 234 x mm / 5.20 x 9.21 x inch |
| Weight |
680 g / 23.99 oz |
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4PR1000A: EIMAC
Götz Linss † 27.06.21
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4PR1000A: EIMAC
Götz Linss † 27.06.21
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