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CV782

Information - Help 
ID = 8631
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  HEPTODE   Controlling (mu) 
Identical to CV782 = VT-171
Similar Tubes
Other class quality (otherwise equal):
  1R5

Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zx)
Filament Vf 1.4 Volts / If 0.05 Ampere
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
1r5.png
CV782: Manufacturer's Literature
Emilio Ciardiello

 
tube_cv782_dk91_sch.png
CV782: Muiderkring tube handbook
Jan Terranea


Usage in Models 1= 1948 ; 2= 1951 ; 1= 1952 ; 1= 1955? ; 1= 1956?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6

Forum contributions about this tube
CV782
Threads: 1 | Posts: 2
Hits: 2300     Replies: 1
CV782 (CV782)
Jan Terranea
14.Jun.10
  1

CV782 , CV783, CV784 and CV785 are all B7G tubes for battery receivers with 1,4 V filament.

They are the British Military codes for  the USA types 1R5, 1S4, 1S5, 1T4.

On the continent these tubes came later in production as DK91, DL91, DAF91, DF91.

The USA started their own Military codes and these tubes are VT-171, VT-210, VT-172, VT-173.

This USA VT-code was abandonend and the list ends at no. VT-289, while the British CV-code list kept growing and exeeds CV-11000.

Emilio Ciardiello
14.Jun.10
  2

Links among commercial codes, US military VT-xx and British service CVyyy added for the four tubes.

Many thanks Jan,

Emilio

 
CV782
End of forum contributions about this tube

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