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ID = 77823
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Tube type:  Triode, vacuum 
Identical to CK-1307A
Predecessor Tubes 6247  

Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect

Low-level low-noise subminiature triode, shielded in a metal can. Leads to teflon insulated turrets. Used as amplifier for searching heads.

Low-microphonic shielded and shock-mounted 6247/CK6247 triode.


Collection of



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