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ID = 3406
Tube type:  Vacuum Pentode   Power/Output 
Identical to DL651 = CK546DX = 546DX
Similar Tubes
Normally replaceable-slightly different:
Other class quality (otherwise equal):
Heater different:
  CK532DX ; DL650
First year 1954 - - Manufacturers Literature Protona Minifon 53 mit DL651
First Source (s)
1954 : HdB d.Rdf-& Ferns-GrH 1954/55

Base Subminiatur (wire-ends, flat) B5A
Filament Vf 1.25 Volts / If 0.01 Ampere / Direct / Battery =

Serienauslieferung ab 1955

Tube prices 3 Tube prices (visible for members only)

dl691_so.png DL651: rtt
Anonymous 10 Collector

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Just Qvigstad
DL651: Funkschau Röhrendokumente
Anonymous 10 Collector

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Usage in Models 1= 1954 ; 1= 1955??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

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


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