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DK40

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ID = 699
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  OCTODE   Frequency converter   Controlling (mu) 
Identical to DK40 = MDK40
First year Dec.1948 Tube leaflet collection E.Erb Analysis by original leaflets [FS4803, RM4805]
Base Rimlock base B8A
Was used by Radio/TV-reception etc.
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =
Description

Mischröhre, ab 1950 in Deutschland.

 
Tube prices 4 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
dk40.png
DK40: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
dk40.png DK40
Wolfgang Bauer

Just Qvigstad 		dk40_data1.png
DK40: Funkschau Röhrendokumente
Anonymous 10 Collector
More ...
Usage in Models 8= 1948 ; 1= 1949?? ; 6= 1949? ; 13= 1949 ; 2= 1950?? ; 11= 1950? ; 22= 1950 ; 2= 1951?? ; 4= 1951? ; 21= 1951 ; 1= 1952?? ; 5= 1952? ; 10= 1952 ; 4= 1953? ; 5= 1953 ; 1= 1954?? ; 1= 1954 ; 1= 1955?? ; 1= 1955? ; 2= 1955 ; 1= 1956? ; 2= 1956
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):124

Collection of

Aldo Patriarca (CH)
Jacob Roschy (D)
Collection of a member from FIN
Marco Lagendijk (NL)
Peter Pfeiffer (D)
Danko Tkalec (HR)
Karl-Heinz Entrich † 7.21 (D)
Georges Werts (B)
Tomasz Szczesniak (PL)
Ralf Krebs (D)
Karl - Heinz Bossan (D)
Ottmar Rollmann (D)
Frank Cuffe (IRL)
Tor Steinnes (N)
Werner Sticht (D)
Collection of a member from D
 
dk40_55rm436s.jpg

DK40
 
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