- Reduced price
PHOTOCELL VACUUM TUBE GAS FILLED
Manufacturer's warranty: 1 year for all components except electronic tubes 3 months
Photocell vacuum tube gas filled - Gas phototube for sound track on film - Side-on type having S-1 response - Electrically similar to type 930, but has a direct interelectrode capacitance of 2 picofarads - 135 microamps/lumen - Second source stated this type used primarily for "renewal purposes."
PHOTOCELL VACUUM TUBE GAS FILLED
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