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Yes, Paul, but after resampling it to get it to the correct speed, you have
abandoned the analog world which is the best place to apply the phono-EQ's
de-emphasis without phase shifting--i.e., it is best to apply the right
curve during analog playback, before digitizing.

Best,
John


On Sun, Apr 15, 2018 at 9:51 PM, Paul Stamler <[log in to unmask]> wrote:

> On 4/15/2018 4:02 PM, John Haley wrote:
>
>> Mickey,
>>
>> There is a real issue with dubbing 78's (or any other recording) at a
>> speed
>> other than what it was intended to be played back at.  You are drastically
>> changing the frequencies of the recording when you play it at the wrong
>> speed, which will totally screw up the intended phono-EQ decoding, which
>> is
>> keyed into the original frequencies.
>>
>
> [much more good stuff snipped]
>
> If you dub the disc using a flat preamp with no EQ at 33.33 rpm, you can
> then resample it to an equivalent speed of 78.26, 76.6 or 80 rpm as needed.
> (Audition does his well.) Once it's at the right equivalent speed, you can
> add de-emphasis at the appropriate frequencies. This offers, for example, a
> way to get the good tracking of a Grado 78 cartridge, while minimizing the
> infamous "Grado wobble" -- there will be fewer things to excite it at 33.33
> rpm than at 78 rpm (or a similarly high speed).
>
> Peace,
> Paul
>
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