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ID = 56558
Tube type:  Double Triode   Text 
Identical to 5608 = CK5608
Similar Tubes
Normally replaceable-slightly different:
Multiple differences or of other kind:
First Source (s)
15.Jul.1948 : Electron Tube Registration List 678
Successor Tubes 5608A   CK5608A  

Base 7-Pin-Base U7B = medium, old, USA
Filament Vf 2.5 Volts / If 2 Ampere / Indirect / Specified voltage AC/DC

Dual triode designed for AC/DC plate voltage in control equipment. Mu 32.

Information source - - Manufacturers Literature   

5608~~2.png 5608: Manufacturer's Literature
Emilio Ciardiello

Just Qvigstad

Collection of



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