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825_No1

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ID = 83380
       
Country:
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Developer: Sylvania (Hygrade, GTE, Nilco); Emporium (PA) 
Tube type:  Transmitting Triode, air cooled   VHF 
Identical to 825_No1

Base UX-Base (4 Pins (2 thick, USA 1924, UX) Sidecontact and top contact.
Was used by Transmittertube (Radio)
Filament Direct
Description

Tube introduced in November 1933. Offered as a VHF oscillator at 20-100 MHz. 40 watt output

 
Information source Tube Lore (II)   p. 77


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