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6D7

Information - Help 
ID = 3549
       
Country:
United States of America (USA)
Brand:
Tube type:  Vacuum Pentode   Universal 
Identical to 6D7 = CV1776
Similar Tubes
Other class quality (otherwise equal):
  NU-6D7
Other base:
  6C6 ; 6J7G ; 77
Other base and other heater:
  57
First year 1933 Radios von gestern, 2. Auflage page 231 (Base for 2A7 and 6D7)
Predecessor Tubes 57   77   6C6  
Successor Tubes 6J7   6J7G  
Base 7-Pin-Base U7A = small, old, USA (Codex=Mf) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description

Metallized 6C6 with 7-pin base.

 
Dimensions (WHD)
incl. pins / tip		 x 116 x 42 mm / x 4.57 x 1.65 inch
Weight 34 g / 1.20 oz
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Babani, International Radio Tube Encyclopaedia   p. 10 & 11
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
6d7.png
6D7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Anonymous 10 Collector
485.png 6D7: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		6d7_characteristics.png
6D7: My schematic collection.
Pier Antonio Aluffi
Usage in Models 2= 1933?? ; 2= 1933? ; 5= 1933 ; 1= 1934?? ; 2= 1934? ; 2= 1934 ; 2= 1935? ; 12= 1935 ; 2= 1936?? ; 1= 1936? ; 2= 1936 ; 1= 1937?? ; 2= 1937 ; 1= 1938? ; 2= 1938 ; 1= 1939?? ; 1= 1939? ; 1= 1940?? ; 1= 1958 ; 1= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):44

Collection of

Patrice Zeissloff (F)
Justo Puertas-Paule (E)
Collection of a member from FIN
Peter Pfeiffer (D)
 
6d7_majestic_p01_s.jpg

6D7
 
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