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45 RPM conspiracy [message #12731]

Fri, 20 January 2006 18:40

Dominic
Messages: 29
Registered: May 2009

Chancellor

I have no 45s at all. Never wanted any and never desired to get any. However there were a few singles never released in LP or CD. So I did the unthinkable and got these 45s thinking I could digitize them. So I tested my Sony direct drive PS-454 turntable at 45 a few times and found that it clocked 45 RPM at 59.8 seconds. I clocked the same machine three times at 33 1/3 and it came in right on the money, actually 59.99, close enough for government work. I don’t trust the strobes.

I then clocked my Dual 510 which has a strobe at 33 1/3 and it was good but at 45 and it also was running fast doing at 45 RPM at 58.84 seconds. I could not adjust the Dual to turn any slower.

What’s going on here? Must be a 45 RPM conspiracy.

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Re: 45 RPM conspiracy [message #12734 is a reply to message #12731]

Sat, 21 January 2006 15:01

Wayne Parham
Messages: 18738
Registered: January 2001

Illuminati (33rd Degree)

How did you trigger the test clock? If you watched a pointer and counted 45 revolutions then clicked manually, that could be the reason for the difference. A person is hard pressed to react to something within a tenth of a second, even when anticipating the event.

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