Quote:
Originally Posted by Sandy G
Pretty sure those were Sony 5-300 series sets, some outfit modified 'em for 12VDC, & called 'em "Stericall"... Don't understand WHY they modified them to use 12VDC, maybe it was protection against theft.
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Probably an arm set from a hospital. Down here they modded them
for 24 VAC through the antenna coax connector. Made them a real
PIA to fix .
Dont know why, they could run on 12 VDC & they just rectifide the
25 VAC & dropped it to 12 V inside. Must be another dumb ass
government reg. to drive costs up.
Old Sony B&W's used to get the legs of the IF transistors rot off,
did quite a few.
73 Zeno
