Thread: Zenith Advanced System 3 help needed
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Old 07-02-2013, 10:09 PM
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zenith2134 zenith2134 is offline
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Yes, there was an ultrasonic Space Command system-3 Zenith with Space Phone. 1979ish. Mine had Zoom as well, which applied a boost voltage of 500-700Volts via a relay on a daughterboard.
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