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ID = 34310
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Transistor   Power/Output 
Identical to OC15
Similar Tubes
Other shape (e.g. bulb type):
  3AD1 ; 3AD2 ; 3AD3 ; 3AD6
First Source (s)
Oct.1954 : -- Collector info (Sammler)
Successor Tubes OC16  

Base Wires
Filament Solid State
Description PNP germanium alloy transistor for AF power amplifier applications.
Also manufactured by Mullard.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
30 x 13 x mm / 1.18 x 0.51 x inch
Information source -- Collector info (Sammler)   TVT 1979 ECA, KTT 1969/70
  OC15: Valvo (Funkschau 1955 H.19 S.421)
Günther Stabe † 19.8.20
OC15: Collection G.Duperray
Gérard Duperray

More ...
OC15: KTT 1969/70
Günther Stabe † 19.8.20

OC15: KTT 4.Aufl. Franzis-Verlag
Heinz Höger

Usage in Models 1= 1955

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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