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CH1

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ID = 230
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  HEXODE   Universal   Controlling (mu) 
Identical to CH1 = WG41 = TCH1_Tungsram = VX13S = UH1 = 13U12_Ultron = 13H3
Similar Tubes
Heater different:
  AH1 ; EH1
First year Mar.1935 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Mar.1935 : Philips Bulletin
Jul.1935 : Die Sendung 1935 #7
Predecessor Tubes B2049   RENS1834  
Successor Tubes 1937   EH2  

Base Europe side contact base P (P8A) (Codex=Sf) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 13 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC
Tube prices 7 Tube prices (visible for members only)
Literature Funk   Nr.14; 15.7.1935
Taschenbuch zum Röhren-Codex 1948/49   
  ch1.png
  CH1: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
ch1_1.jpg
CH1
Roland Biesler

 
22_1.png
CH1: Telefunken Werkstattbuch
Wolfgang Bauer

 
ch1_data1.png
CH1: Telefunken 1935
Robert Schmalstieg


Usage in Models 1= 1935?? ; 1= 1935? ; 9= 1935 ; 1= 1936?? ; 2= 1936? ; 18= 1936 ; 1= 1937? ; 12= 1937 ; 2= 1938? ; 2= 1938 ; 1= 1941

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):50


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