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2A5 Info
Country:  United States of America (USA)      Brand:  Common type USA 
  Tube type:  Vacuum Pentode   Power/Output 
Tube ID = 2649
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Identical to 2A5 = UZ-2A5 = UZ2A5
Similar Tubes Normally replaceable-slightly different:
 2A5E; 38215
Heater different:
 42
Other base and other base diagram:
 6F6G
First Series   1932 -- Collector info (Sammler)
First Source (s) Jun.1933 : -- Collector info (Sammler)
1932 : Communication Receivers
Predecessor Tubes 47   PZ  

Base 6-Pin-Base U6A, old, USA (Codex=Kdo)
Filament Vf 2.5 Volts / If: 1.75 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Description The RME 9 Comms receiver is from 1932 and makes use of the 2A5. see Moore, Comm's. Receivers. 
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

  2a5.gif
  Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
2a5.jpg
M.Sei
Michael Seiffert

 
470.png
Telefunken Werkstattbuch
Wolfgang Bauer

 
2a5_techdat01.png
Cunningham Radiotron Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)   11= 1931? ; 1= 1931 ; 1= 1932?? ; 19= 1932? ; 14= 1932 ; 12= 1933?? ; 34= 1933? ; 166= 1933 ; 34= 1934?? ; 35= 1934? ; 174= 1934 ; 12= 1935?? ; 10= 1935? ; 83= 1935 ; 4= 1936?? ; 11= 1936? ; 19= 1936 ; 2= 1937?? ; 1= 1937 ; 2= 1938?? ; 4= 1938 ; 1= 1939?? ; 5= 1939 ; 2= 1940?? ; 2= 1940 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   659
No further Information for

2A5    

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