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HM71

Information - Help 
ID = 18503
       
Country:
Germany
Brand: Lorenz; Berlin, Zuffenhausen u.a.
Tube type:  Mag. Fan, 1 shadow angle 
Identical to HM71
Similar Tubes
Heater different:
  EM71
First year 1951 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Sep.1951 : Funk-Technik (FT) # 18
Successor Tubes 1952   HM85  

Base Loctal-8, B8G (Sylvania, 1938)
Filament Indirect / Series, AC/DC
  hm71_uf_12_6v_if_0_15a_em71_typische_schautung.png
  HM71: MK Buizen
Anonymous 1038 Collector
 
lo21_g.gif
HM71: RTT Schwandt
Günther Stabe

 
hm71_em71_techn._daten_uf_12_6v_if_0_15a_aus_dem_rtt_9.auflage_1963.png
HM71: Röhren Taschen Tabelle 9.Auflage 1963
Anonymous 1038 Collector


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