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THANK YOU, JOHN!!
I shall pass that info to my supervisor.
Right now we're using a flat pre-amp with no choice of settings.
Can you recommend a couple pre-amps for the purpose?

Regards,
Ben


On Wed, Dec 2, 2020 at 12:27 AM John Haley <[log in to unmask]> wrote:

> Truncated is generally better than not.  You usually want to stay out of
> the very bottom of the groove.  And as a very general matter, elliptical
> beats conical.  Also, an even more general rule--the loudest result is
> often the best one--but here you want to compare carefully as this is not
> always true.  The amount of noise can make you look for the quietest
> playing where the sound is still good, as opposed to the loudest.
>
> As for procedure, altho it is not quick, I generally record my samples so I
> can look at the WAV files and compare back and forth without playing the
> record.  It can help too see it on the computer screen.  If several
> candidate styluses seem good, I will dub the whole side with all of those
> so I don't have to record the record again once I have picked the best.
> Also, it is possible to edit together the best parts of different playings
> if there is a reason to.
>
> I have noticed a funny thing that I can't explain--sometimes using
> different stylus sizes will reverse the polarity of the resulting WAV file,
> which you see by looking at it.
>
> For many pressed 78's in good condition, I will start with 2.75 truncated
> elliptical, and then try 3.0 and 2.5 etc.  It seems like often enough the
> decision comes down to 2.75 vs. 2.5.  Of course there is huge variety among
> 78 records as a whole.
>
> Very worn records can be special cases, because here you are not looking at
> optimal "fit" but rather trying to play the least worn part of the groove
> wall.
>
> For instantaneous records, such as radio transcription discs, it seems like
> there really are very few reliable general rules.  They are all so
> different.  Many of course play at 33 RPM but with 78 sized stylus.
>
> Please take special care with trying to pitch your results, either upon
> playback or as corrected on the computer.  It seems like no 78 really plays
> at 78.26 RPM (if that is right decimal number).  If the pitch is way off
> when played at 78 RPM, then you want to adjust the speed (pitch) on
> playback, not on the computer, so phono EQ "decoding" is more accurate.
>
> Obviously, you will get far better results with a special preamp that lets
> you select an appropriate phono EQ curve, and here you must often use
> judgment as to which setting is "right."  For the majority of 78's, the
> RIAA setting that is fixed in most phono preamps is NOT the right setting,
> and often it not even close.  Remember, acoustic records do not have
> phono-EQ added.  Getting the "right" EQ setting for an instantaneous disc
> is often just an exercise in pure trial and error. There is often no way to
> even guess.
>
> Hope some of that is helpful.
>
> Best,
> John
>
>
>
> On Tue, Dec 1, 2020, 9:46 PM Benjamin Roth-Aroni <[log in to unmask]>
> wrote:
>
> > Thank you.
> > I guess what you're saying is that *there's no rule*.
> > The ears have it - whatever sounds best is the right stylus to use.
> > I have at least 8 sizes and configurations from which to choose: conical,
> > elliptical, truncated or not truncated.
> > I also have a GE VRII and the GE RPX-050.  Sometimes, those two save the
> > day.
> >
> > Regards,
> > Ben
> >
> >
> >
> >
> >
> > Regards,
> > Ben
> >
> > On Tue, Dec 1, 2020 at 5:28 PM Corey Bailey <[log in to unmask]>
> > wrote:
> >
> > > Use your ears!
> > >
> > > When I am unsure about which stylus is best, I will spend some time
> with
> > > a microscope & then, I will make three transfers; Above the wear, in
> the
> > > wear area & just below the wear area, avoiding the bottom of the
> groove.
> > > The styli that I typically use for this are 4mil, 3mil & 2mil. I will
> > > also try elliptical & conical & pick the best sounding transfer. When
> > > trying a stylus on a commercial disc, I will usually transfer about 30
> > > seconds & transfer the same 30 seconds for each stylus. For lacquers &
> > > other instantaneous discs, I will select a stylus based on my
> microscope
> > > observations in order play the disc or a section of ti as little as
> > > possible.
> > >
> > > Cheers,
> > >
> > > CB
> > >
> > > Corey Bailey Audio Engineering
> > > www.baileyzone.net
> > >
> > > On 12/1/2020 1:31 PM, Benjamin Roth-Aroni wrote:
> > > > Thanks, but what about elliptical/conical/truncated, etc?
> > > >
> > > > Ben
> > > >
> > > >
> > > > On Tue, Dec 1, 2020 at 4:12 PM Mickey Clark <[log in to unmask]>
> wrote:
> > > >
> > > >> Ben-I would use a 3 mil. I don't have a 2.5, and 3.5 I reserve for
> > early
> > > >> electric Victors-Mickey
> > > >>
> > > >> -----Original Message-----
> > > >> From: Benjamin Roth-Aroni
> > > >> Sent: Tuesday, December 01, 2020 10:19 AM
> > > >> To: [log in to unmask]
> > > >> Subject: [ARSCLIST] Best width and configuration for a 1946 Victor
> 12"
> > > 78
> > > >>
> > > >> Greetings,
> > > >>
> > > >> Please tell me the Best width and configuration for a 1946 Victor
> 12"
> > > >> 78rpm, specifically DM-899 (Dvorak's 5th with Iturbi and the
> Rochester
> > > >> Phil) in good condition.
> > > >>
> > > >> Thank you.
> > > >> Ben Roth
> > > >>
> > >
> >
>