Antique radios, Old Time Radios
PL-4X500A
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Country:
United States of America (USA)
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| Identical to |
PL-4X500A
= 4X500A
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| Base |
SPECIAL TUBEBASE in general
Top contact with a cap.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 5 Volts / If 13.5 Ampere / Direct |
| Description |
Integral radiator, special 4-pin base with metal ring connected to G2. Glass or ceramic spacer depending upon manufacturers. RF amplifier and oscillator.
500W max plate dissipation with forced air cooling. 120MHz max frequency at full ratings.
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| Weight |
765 g / 26.98 oz |
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PL-4X500A: Fin Stewart
Fin Stewart
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PL-4X500A: Manufacturer's Literature
Anonymous 15 Collector
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Collection of
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