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ID = 57005
United States of America (USA)
Brand: Penta Laboratories; Chatsworth (CA)
Tube type:  Transmitting Tube, Pentode, air cooled   Power/Output 
Identical to PL-264

Base SPECIAL TUBEBASE in general Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 6 Volts / If 17 Ampere / Direct

This is a relatively small tube with a ceramic 5 pin base. It was capable of 5000 watts output and useful for class A and B amplification

Dimensions (WHD)
incl. pins / tip
112 x 145 x mm / 4.41 x 5.71 x inch
Information source - - Manufacturers Literature   Catalog dated October 1963
Tube Lore (II)   p. 159

PL-264: Manufacturer's Literature
Anonymous 15 Collector


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