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<DIV>Talking about Type-C for a moment; I can't remember if it was Sony or Ampex
(or both?), but they had a separate "sync" head on the scanner. I'm assuming
that was to have a clean sync pulse on the head switch? A problem obviated by a
TBC?</DIV>
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<DIV><FONT size=2 face=Arial>I'm likely dead wrong on the helical head drums
with extra heads, but....</FONT></DIV>
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<DIV><FONT size=2 face=Arial>Vaguely remember some marketing info about a
"confidence head" that allowed you to play back a recording as it was being
made, to detect head clogs. The record and play heads scanned the same track,
just several hundred microseconds apart from one another. Head clogs must have
been a real issue with early one-inch.</FONT></DIV>
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