Stable (meaning, not continually fluctuating) non standard speeds can occur
for various reasons. My modified reproduce only 3 head Ampex 440 (full
track, 1/2 trk, 1/4 trk) runs at any speed between 1.5 ips and 45 ips. And,
the speed is digitally confirmed to as m,any as 6 specific figures.
Best Regards,
Art Shifrin
www.shifrin.net
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