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DP/Pen

Information - Help 
ID = 11183
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Vacuum Pentode   Power/Output 
Identical to DP/Pen
First year 1933 -- Original-techn. papers.

Base British-7-Pin, old (M7A) (Codex=Ndo)
Filament Vf 16 Volts / If 0.25 Ampere / Indirect / Series, AC/DC
Description This tube has the uncommon heater current rating of 0.25A at 16V. It had a production life of only one year, being obsolete in 1935. 
Dimensions (WHD)
incl. pins / tip
48 x 110 x mm / 1.89 x 4.33 x inch
Weight 51 g / 1.80 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
dp-pencossor_klein.jpg
DP/Pen
Geri Meier

 
161_3.png
DP/Pen: Telefunken Werkstattbuch
Wolfgang Bauer

 
dppen_data.png
DP/Pen: COSSOR VALVE MANUAL 1935-6
Jose Casas-Avalos


Usage in Models 1= 1933 ; 1= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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