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6BQ7A

Information - Help 
ID = 3815
       
Country:
United States of America (USA)
Brand:
Tube type:  Double Triode   VHF 
Identical to 6BQ7A = 6BZ7 = ECC180 = 6BS8
Similar Tubes
Normally replaceable-slightly different:
  6BQ7
Heater different:
  12BQ7A ; 4BQ7A ; 4BZ7 ; 5BQ7A ; 8BQ7A
First year 19.Nov.1952 Electron Tube Registration List
First Source (s)
25.Aug.1952 : - - Manufacturers Literature RCA data sheet
Predecessor Tubes 6BQ7  
Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect / Specified voltage AC/DC
Description

Low-noise grounded grid RF amplifier.
Replaced the 6BQ7 within 2 years of the 6BQ7 announcement. It has some 12% higher gain, the characteristics are otherwise the same.

 
Tube prices 4 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
- - Manufacturers Literature   
6bq7a_corrected.png
6BQ7A: corrected version
Jacob Roschy     More ...
6bq7a.png 6BQ7A: Bauer Wolfgang
Wolfgang Bauer
More ...
Just Qvigstad 		6bq7a_techdat01.png
6BQ7A: RCA Tube Manual
Peter Hoddow
More ...
Usage in Models 2= 1952 ; 39= 1953? ; 172= 1953 ; 2= 1954?? ; 7= 1954? ; 95= 1954 ; 6= 1955?? ; 272= 1955? ; 57= 1955 ; 1= 1956?? ; 708= 1956? ; 104= 1956 ; 4= 1957?? ; 264= 1957? ; 41= 1957 ; 7= 1958?? ; 154= 1958? ; 77= 1958 ; 31= 1959? ; 71= 1959 ; 21= 1960?? ; 4= 1960? ; 35= 1960 ; 3= 1961?? ; 2= 1961? ; 4= 1961 ; 3= 1962?? ; 4= 1962? ; 6= 1962 ; 2= 1963?? ; 16= 1963 ; 2= 1964?? ; 10= 1964? ; 5= 1964 ; 1= 1965?? ; 7= 1965? ; 3= 1965 ; 3= 1966?? ; 3= 1966? ; 1= 1967 ; 2= 1968?? ; 1= 1968 ; 3= 1969?? ; 1= 1970?? ; 1= 1975?? ; 2= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2259

Collection of

Georges Werts (B)
George Papaiz (CDN)
Karl - Heinz Bossan (D)
Collection of a member from FIN
Collection of a member from D
Shaun Merrigan (CDN)
Ottmar Rollmann (D)
Patrice Schoser (F)
Michael Gnaedig-Fischer (MEX)
Emilio Focosi (I)
Antonio Rabitti (BR)
Wolfgang Bauer (A)
Collection of a member from FIN
Christian Schaufelberger (CH)
David Erali (USA)
Danko Tkalec (HR)
Emilio Ciardiello (I)
Rainer Doll (D)
Massimo Pedrina (I)
Marcello Astolfi (I)
Peter Pfeiffer (D)
Otto Kippes † 24.4.17 (D)
Patrice Zeissloff (F)
Bruno Candreia (CH)
Bekir Yurdakul (F)
Collection of a member from D
Giorgio Busletta (I)
Museum Roggenhofer (A)
Robert Gillespie (USA)
 
6bq7axx2.jpg

6BQ7A
 
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