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QV2-250B

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ID = 31391
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Transmitting Tetrode, air cooled   beam power 
Identical to QV2-250B

Base TRANSMITTING & Power-TUBES/VALVES in gen
Filament Vf 6 Volts / If 2.6 Ampere / Indirect / Specified voltage AC/DC
Description Forced Air-Cooled. Pa <250W 
Information source - - Manufacturers Literature   
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qv2250b_so.png QV2-250B: ARRL Handbook 1972
Anonymous 10 Collector

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qv2250b_01.png
QV2-250B: Manufacturer's Literature
Emilio Ciardiello

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