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3Q4

Information - Help 
ID = 1454
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Power/Output 
Identical to 3Q4 = DL95 = VT-264 = CV818
Similar Tubes
Different connections:
  DL94
First Source (s)
01.Apr.1941 : Electron Tube Registration List
Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zzo)
Filament Vf 2.8 Volts / If 0.05 Ampere / Direct / Battery =
Description

Heizfäden parallel: 1,4 V; 0,1 A.

 
Dimensions (WHD)
incl. pins / tip		 18 x 53 x mm / 0.71 x 2.09 x inch
Weight 7 g / 0.25 oz
Tube prices 5 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
3q4.png
3Q4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
7ba_res.png 3Q4
Emilio Ciardiello
More ...
Just Qvigstad 		3q4_techdat01.png
3Q4: Sylvania Technical Manual
Peter Hoddow
More ...
Usage in Models 1= 1941?? ; 1= 1942 ; 1= 1944? ; 1= 1944 ; 1= 1945?? ; 1= 1945 ; 1= 1946?? ; 3= 1946? ; 27= 1946 ; 7= 1947? ; 49= 1947 ; 3= 1948?? ; 7= 1948? ; 17= 1948 ; 3= 1949?? ; 11= 1949 ; 9= 1950?? ; 6= 1950? ; 4= 1950 ; 2= 1951?? ; 2= 1951? ; 16= 1951 ; 7= 1952?? ; 1= 1952? ; 11= 1952 ; 4= 1953?? ; 2= 1953? ; 13= 1953 ; 3= 1954?? ; 5= 1954? ; 20= 1954 ; 1= 1955?? ; 4= 1955? ; 18= 1955 ; 2= 1956?? ; 3= 1956? ; 9= 1956 ; 1= 1957? ; 1= 1957 ; 1= 1959 ; 1= 1961 ; 1= 1969??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):281

Collection of

Collection of a member from FIN
Collection of a member from D
Christian Schaufelberger (CH)
Georges Werts (B)
Tomasz Szczesniak (PL)
Karl-Heinz Schmehr † 29.04.2016 (D)
George Papaiz (CDN)
Tor Steinnes (N)
Bruno Candreia (CH)
Sándor Selyem-Tóth (H)
Ulrich Fieseler (D)
Frank Cuffe (IRL)
Wolfgang Bauer (A)
Emilio Ciardiello (I)
Andreas Schulz (D)
Valery Gromov (RUS)
David Erali (USA)
Peter Pfeiffer (D)
Marcello Astolfi (I)
Heinz Schmidt (D)
Egon Penker (A)
Karl - Heinz Bossan (D)
Niclas Pettersson (S)
Danko Tkalec (HR)
Patrice Zeissloff (F)
 
3q4.png

3Q4
 
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