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88S

Information - Help 
ID = 28936
       
Country:
Canada
Brand: Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 88S
Similar Tubes
Normally replaceable-slightly different:
  58AS
Heater different:
  78
First year 1930 Saga of the Vacuumtube, Tyne page 350

Base 6-Pin-Base U6A, old, USA Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect / Parallel, (AC/DC)
 
can_rogers_88s.jpg
88S: Joe Reda collection
Joe Reda

 
58as_so~~1.png
88S: ARRL Handbook 1972
Michael Schlör

 

Usage in Models 9= 1933 ; 20= 1934 ; 3= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):32


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