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7AH7

Information - Help 
ID = 5124
       
 
   
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 7AH7
Similar Tubes
Normally replaceable-slightly different:
  7AG7
First Source (s)
30.Jan.1947 : Electron Tube Registration List

Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
  7ah7.png
  7AH7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
lo6_g_2.gif
7AH7: RTT Schwandt
Günther Stabe † 19.8.20

 
7ah7_rca_data_01.png
7AH7: Original data sheet
Otto Galli


from Just Qvigstad

Usage in Models 2= 1946 ; 9= 1947 ; 2= 1948?? ; 3= 1948? ; 3= 1948 ; 4= 1949?? ; 1= 1949? ; 1= 1949 ; 4= 1950?? ; 4= 1951?? ; 3= 1952?? ; 3= 1953??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):39

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