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PL-4X500A

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ID = 53964
       
Country:
United States of America (USA)
Brand: Penta Laboratories; Chatsworth (CA)
Tube type:  Transmitting Tetrode, air cooled   VHF 
Identical to PL-4X500A = 4X500A

Base SPECIAL TUBEBASE in general Top contact with a cap.
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.

 
Weight 765 g / 26.98 oz

4x500a_sock~~1.png PL-4X500A: Fin Stewart
Fin Stewart

pl4x500a_spec.png
PL-4X500A: Manufacturer's Literature
Anonymous 15 Collector

Collection of

 
pentalabs_4x500a.jpg

PL-4X500A
 

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