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4HM5

Information - Help 
ID = 4439
       
 
   
Tube type:  Triode, vacuum 
Identical to 4HM5 = 4HA5
Similar Tubes
Heater different:
  2HA5 ; 2HM5 ; 3HA5 ; 3HM5 ; 6HA5 ; 6HM5

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 4 Volts / If 0.3 Ampere / Indirect / Series, AC/DC
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
 
4hm5_sockel.png
4HM5: RCA Tube Manual
Peter Hoddow

 
4hm5_techdat01.png
4HM5: RCA Tube Manual
Peter Hoddow


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