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ID = 42745
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:  Transmitting Tetrode, air cooled   UHF 
Identical to 4624_RCA

Filament Vf 6.3 Volts / If 3.5 Ampere / Half indirect
Description Cermet beam tetrode with matrix cathode; integral radiator, forced air cooling. Special base.
Applications include HF-SSB, giving 410W at 30MHz, UHF TV, giving 200W at 890MHz and distributed amplifiers up to 500MHz. 
Information source - - Manufacturers Literature   
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4624_RCA: Private collection
Emilio Ciardiello

4624_RCA: Manufacturer's Literature
Emilio Ciardiello

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