radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

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 / Specified voltage AND current 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)
Information source - - Manufacturers Literature   
hf93.png
HF93: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
7bk_res_23.png HF93
Emilio Ciardiello
More ...
Just Qvigstad 		hf93_techdat01.png
HF93: SEL Handbuch 1964
Peter Hoddow
More ...
Usage in Models 4= 1952?? ; 1= 1952? ; 1= 1952 ; 2= 1953?? ; 1= 1953? ; 1= 1953 ; 2= 1954?? ; 5= 1954? ; 1= 1954 ; 8= 1955?? ; 3= 1955? ; 1= 1955 ; 3= 1956?? ; 2= 1956? ; 11= 1956 ; 4= 1957?? ; 6= 1957 ; 9= 1958?? ; 1= 1958? ; 21= 1958 ; 3= 1959? ; 12= 1959 ; 3= 1960?? ; 6= 1960 ; 5= 1961 ; 2= 1962?? ; 1= 1962? ; 1= 1963? ; 1= 1965??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):121

Collection of

Miguel Angel Irissarry Garcia (E)
Peter Pfeiffer (D)
Ottmar Rollmann (D)
Wolfgang Bauer (A)
Collection of a member from FIN
Tomasz Szczesniak (PL)
 
hf93.jpg

HF93
 
You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
Data Compliance More Information