radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

HL23DD

Information - Help 
ID = 14314
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to HL23DD
Similar Tubes
Normally replaceable-slightly different:
  CV1306

Base Octal-8 GB, (Mazda), K8B, MO (Codex=Vu)
Filament Vf 2 Volts / If 0.05 Ampere / Direct / Battery =
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
hl23dd_mazda_ph1r.jpg
HL23DD: Patrice ZEISSLOFF
Patrice Zeissloff

 
623.png
HL23DD: Telefunken Werkstattbuch
Wolfgang Bauer

 
hl23dd_mazda_data_01.png
HL23DD: Original data sheet
Otto Galli


Usage in Models 1= 1937 ; 1= 1938?? ; 9= 1939 ; 5= 1940 ; 1= 1941? ; 1= 1942? ; 2= 1945 ; 5= 1947 ; 1= 1948?? ; 3= 1948 ; 3= 1949 ; 1= 1950?? ; 3= 1950 ; 1= 1951 ; 1= 1952?? ; 1= 1967

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):39



You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg