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Dear Carl, Yes, it has been previously discussed here and also has been in use for a while as a deductive tool. It has proved extremely useful and I have encountered no dispute as to its efficacy. DDR On Thu, Oct 4, 2012 at 10:33 AM, Carl Pultz <[log in to unmask]> wrote: > No one has mentioned the method that Andrew Rose applies: picking out the > 50 > or 60Hz residual hum as a way to determine correct speed. Maybe that's been > discussed before on the list. What's the consensus, if there is one? > > -----Original Message----- > From: Association for Recorded Sound Discussion List > [mailto:[log in to unmask]] On Behalf Of Dennis Rooney > Sent: Tuesday, October 02, 2012 11:06 AM > To: [log in to unmask] > Subject: Re: [ARSCLIST] Reducing crackle from 78 rpm records the analogue > way on 70's reissue LP's > > Absolute pitch is not necessary in order to obtain the correct playback > speed. Any device that will verify the pitches or key is enough, provided > you know what the original key was. What is far more necessary, in fact > essential, is a sensitivity to speed instability. As someone else observed, > centering is often inadequately done and the resultant "WOW" is an analogue > artifact that is entirely avoidable but fatally compromises the result. > > Department of homonymic error: Someone's posting yesterday confused "phase" > (derived from Latin and Greek) with "faze" (derived from Middle English). > Or was it supposed to be a pun? > > DDR > > On Tue, Oct 2, 2012 at 4:51 AM, Don Cox <[log in to unmask]> wrote: > > > On 01/10/2012, Dan Nelson wrote: > > > > > Somewhere in the deep recesses of my mind it seems like someone posted > > > that John RT Davies used a Shure M44 for many of his transfers with > > > appropriate stylus and eq of course..... Does anyone else have better > > > information ?? > > > > > Yes, I think that is what he says in an interview which is on his > > site. > > > > Do we agree that for transferring "78"s, it is essential to have > > absolute pitch, to get the right speed ? > > > > Regards > > -- > > Don Cox > > [log in to unmask] > > > > > > -- > Dennis D. Rooney > 303 W. 66th Street, 9HE > New York, NY 10023 > 212.874.9626 > -- Dennis D. Rooney 303 W. 66th Street, 9HE New York, NY 10023 212.874.9626