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12BY7

Information - Help 
ID = 5331
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Hytron; Salem (MA) 
Tube type:  Beam Power Tube 
Identical to 12BY7 = EL180
Similar Tubes
Normally replaceable-slightly different:
  12BY7A
Multiple differences or of other kind:
  7733
First Source (s)
11.Jun.1951 : Electron Tube Registration List
Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 12.6 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
- - Manufacturers Literature   
12by7.png
12BY7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
no64.png 12BY7: RTT 1974 (Franzis) 13. Auflage
Martin Renz
More ...
Just Qvigstad 		12by7_rca_data_01.png
12BY7: original data sheet
Bernd Staginnus
More ...
Usage in Models 43= 1952? ; 34= 1952 ; 34= 1953? ; 176= 1953 ; 24= 1954? ; 155= 1954 ; 50= 1955?? ; 286= 1955? ; 95= 1955 ; 43= 1956?? ; 659= 1956? ; 113= 1956 ; 184= 1957? ; 67= 1957 ; 4= 1958?? ; 84= 1958? ; 38= 1958 ; 26= 1959 ; 6= 1960?? ; 2= 1960? ; 8= 1960 ; 1= 1961?? ; 1= 1961? ; 3= 1961 ; 1= 1962?? ; 2= 1962? ; 3= 1962 ; 2= 1963?? ; 4= 1963? ; 1= 1963 ; 2= 1964?? ; 1= 1964? ; 48= 1964 ; 3= 1965 ; 4= 1966? ; 6= 1966 ; 1= 1967?? ; 3= 1967? ; 3= 1967 ; 1= 1968?? ; 2= 1968? ; 1= 1968 ; 1= 1969?? ; 2= 1969? ; 1= 1969 ; 1= 1970? ; 1= 1972? ; 1= 1972 ; 2= 1973?? ; 1= 1974 ; 1= 1976?? ; 1= 1979 ; 8= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2244

Collection of

Danko Tkalec (HR)
Marcello Astolfi (I)
Vitor Oliveira (P)
Karlheinz Fischer (D)
George Papaiz (CDN)
Peter Pfeiffer (D)
Michael Watterson (IRL)
Karl - Heinz Bossan (D)
Bruno Candreia (CH)
 
12by7.jpg

12BY7
 
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