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ID = 9053
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Oscilloscope CRT, picture tube   Indication 
Identical to DN9-3
Similar Tubes
Normally replaceable-slightly different:
  DB9-3 ; DG9-3

Base SPECIAL TUBEBASE in general (Codex=Sp 31)
Filament Vf 4 Volts / If 1 Ampere / Half indirect
Description Schirm nachleuchtend, Ø 97,5 mm 
Dimensions (WHD)
incl. pins / tip
103 x x 340 mm / 4.06 x x 13.39 inch
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   Philips Datenblatt

sp31_g_4.gif DN9-3: RTT Schwandt
Günther Stabe † 19.8.20

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DN9-3: SEL Handbuch 1964
Peter Hoddow

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Usage in Models 1= 1940?? ; 1= 1940 ; 1= 1943?? ; 1= 1948? ; 1= 1950??

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 CH


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