The "PS" prefix was used for speaker PS-5 and Power Supplies.
PS-20 CB 12V Power Supply. Production Year 1967.
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PS-150 150W Power Supply and speaker, for SR-150, HT-44 & SX-117. Production Year 19xx.
Supplementary photos
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PS-500 500W Power Supply. Production Year 19xx.
Supplementary photos
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