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ID = 29557
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Tube type:  Double Triode   Audio Frequency 
Identical to CK5608A = 5608A
Similar Tubes
Normally replaceable-slightly different:
Multiple differences or of other kind:
Predecessor Tubes CK5608   5608  

Base 7-Pin-Base U7B = medium, old, USA
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 2 Ampere / Indirect / Specified voltage AC/DC

Double triode for control equipment. Mu 32.

Dimensions (WHD)
incl. pins / tip
x 116 x 46 mm / x 4.57 x 1.81 inch
Weight 54 g / 1.90 oz
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 270, p. 593
- - Manufacturers Literature   

5608~~1.png CK5608A: Manufacturer's Literature
Emilio Ciardiello

Just Qvigstad

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