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227S

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ID = 28969
       
Country:
Canada
Brand: Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 227S
Similar Tubes
Normally replaceable-slightly different:
  227 ; P227_USA
First year 1928 Saga of the Vacuum Tube, Tyne page 350

Base UY-Base, 5 Pins (USA, April 1927)
Filament Vf 2.5 Volts / If 1.7 Ampere
Description Spray shielded 227 

227s_so.png 227S: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad
ac-227-stelevocal.png
227S: Vintage Electronic catalog
Geri Meier

Usage in Models 7= 1931

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7
 

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