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HF93

Information - Help 
ID = 1459
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to HF93 = 12BA6 = 12F31
Similar Tubes
Heater different:
  EF93
First year 1950 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Nov.1951 : Funkschau # 22

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Description H-Serie mit 0,15-A-Serienheizung für Exportgeräte (vor allem für Amerika). 
Tube prices 1 Tube prices (visible for members only)
Literature - - Manufacturers Literature   
  hf93.png
  HF93: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
hf93.jpg
HF93: Röhrensammlung
Wolfgang Bauer

 
mi28_5~~5.png
HF93: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
hf93_techdat01.png
HF93: SEL Handbuch 1964
Peter Hoddow


Usage in Models 2= 1952?? ; 1= 1952? ; 1= 1952 ; 1= 1953?? ; 1= 1953? ; 1= 1953 ; 1= 1954?? ; 5= 1954? ; 1= 1954 ; 8= 1955?? ; 3= 1955? ; 1= 1955 ; 2= 1956?? ; 2= 1956? ; 11= 1956 ; 4= 1957?? ; 6= 1957 ; 7= 1958?? ; 1= 1958? ; 20= 1958 ; 2= 1959? ; 11= 1959 ; 3= 1960?? ; 5= 1960 ; 5= 1961 ; 2= 1962?? ; 1= 1962? ; 1= 1963? ; 2= 1965??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):111


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