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543-A

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ID = 87077
       
Country:
United States of America (USA)
Brand: Boonton Radio Corp.; Boonton, NJ
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Vacuum Pentode   Text 
Identical to 543-A
Similar Tubes
Other class quality (otherwise equal):
  6AK5

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Technology / Measurement
Filament Vf 6.3 Volts / If 0.175 Ampere / Indirect
Description

This tube made by RCA for Boonton. It is a special quality type for use in the Boonton 192 Q meter, and the 202B-G, 206A and 211A signal generators.

 
Information source Tube Lore (II)   p.47 & 151

mi29_g_4_6_1.gif 543-A: Fin Stewart
Fin Stewart


Just Qvigstad
 

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