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ID = 6568
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Double Diode   Detector 
  Ca. 1925 up to 1945 rare.
Identical to ARDD5 = EB34 = VR54 = CV1054 = 1638 = 10E/11400 = VT202_GPO = ZA/3056

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ue)
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC

ARDD5 is a UK services designation (= Army Receiving Diode Diode). This designation together with the VR54 was incorporated in the CV1054 specification.

Tube prices 2 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   Page 50
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
ARDD5: eigene Röhre
Thomas Loidl

More ...
ARDD5: Manufacturer's Literature
Emilio Ciardiello


from Just Qvigstad

Usage in Models 1= 1941 ; 3= 1942? ; 3= 1942 ; 1= 1943 ; 2= 1944 ; 1= 1947 ; 1= 1959?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):12

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