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ID = 18939
Tube type:  Oscilloscope CRT, picture tube 
Identical to DG3-12A
Similar Tubes
Normally replaceable-slightly different:

Base SPECIAL TUBEBASE in general
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Dimensions (WHD)
incl. pins / tip
27 x 27 x 103 mm / 1.06 x 1.06 x 4.06 inch
Weight 60 g / 2.12 oz
Tube prices 2 Tube prices (visible for members only)

DG3-12A: TFK Rö-Doku Nr. 14 ; Beilage Funkschau Heft 10/1963
Anonymous 201 Collector

dg312a.png DG3-12A: Telefunken Röhrenhandbuch
Wolfgang Bauer

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DG3-12A: Telefunken Taschenbuch 1971
Anonymous 15 Collector

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Usage in Models 1= 1963? ; 1= 1964 ; 1= 1965 ; 1= 1972 ; 1= 1975?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of

Collection of a member from D
Collection of a member from D
Collection of a member from D


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