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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?? ; 152= 1958? ; 77= 1958 ; 31= 1959? ; 72= 1959 ; 21= 1960?? ; 4= 1960? ; 36= 1960 ; 3= 1961?? ; 2= 1961? ; 4= 1961 ; 3= 1962?? ; 4= 1962? ; 6= 1962 ; 2= 1963?? ; 1= 1963? ; 16= 1963 ; 2= 1964?? ; 10= 1964? ; 5= 1964 ; 1= 1965?? ; 6= 1965? ; 3= 1965 ; 3= 1966?? ; 3= 1966? ; 1= 1967 ; 3= 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):2260

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)
Bekir Yurdakul (F)
Collection of a member from D
Giorgio Busletta (I)
Museum Roggenhofer (A)
Robert Gillespie (USA)
Otto Kippes † 24.4.17 (D)
Patrice Zeissloff (F)
Bruno Candreia (CH)
 
6bq7axx2.jpg

6BQ7A
 
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