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Old 02-14-2016, 09:37 AM
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zeno zeno is online now
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Join Date: Mar 2013
Location: New Hampshire
Posts: 4,692
Almost all if not all early sets that ran on 12 VDC used
a power transformer. Latter sets sometimes used a multivibrator
& higher voltages to run the set. RCA comes to mind. Its
all about economics.

73 Zeno
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