And big old turntables from decades ago are likely to be offenders when it
comes to wow, flutter and rumble.  We don't want to go there.

Best,
John Haley

[image: cloudHQ] <https://www.free-email-tracker.com> Powered by
cloudHQ <https://www.free-email-tracker.com>

On Mon, Feb 15, 2021 at 3:04 PM Gary A. Galo <
[log in to unmask]> wrote:

> John and Corey are both correct. Any turntable platter and mat should
> support the record across its entire surface, in order to keep the record
> from vibrating during playback. Unfortunately, it's been many decades since
> turntables with 16-inch platters were made, and those were for
> professional, broadcast use.
>
> Best,
> Gary
>
>
> -----Original Message-----
> From: Association for Recorded Sound Discussion List <
> [log in to unmask]> On Behalf Of John Haley
> Sent: Monday, February 15, 2021 2:59 PM
> To: [log in to unmask]
> Subject: [EXTERNAL] Re: [ARSCLIST] 16" Transcription Turntables
>
> This message did not originate from SUNY Potsdam or one of its trusted
> senders. Do not open attachments, click on links, or provide your
> credentials if the source is suspicious.
>
>
> I have noticed something with pressed 16" records, as were pressed on
> vinyl for radio play.  They can be rather floppy (cf. Corey's discussion),
> and I think I am hearing a good difference when I put a heavy center weight
> on the 16" record.  I always use that for regular LPs as well, as a matter
> of course.  Why have the record itself experiencing any kind of vertical
> motion as it plays?  Nothing good comes from that.
>
> Best,
> John Haley
>
>
> On Mon, Feb 15, 2021 at 2:47 PM Corey Bailey <[log in to unmask]>
> wrote:
>
> > My restoration turntable is designed for 16" discs but the platter is
> > only 14". So, I use a 1/8"thick, 16" Dia. aluminum disc that I made
> > because I don't want the outer area of a 16" disc unsupported. I also
> > made a mat for it. When you do this, the tonearm gets raised by the
> > thickness of the materials. Although my tonearm is designed for a 16"
> > disc, the extra thickness stretches it to it's limit (visually).
> > However, the cartridge sits flat & tests have shown that the tonearm
> > doesn't care about the extra thickness which, is great because the
> > next step would be to add a shim at the base of the tonearm. A real PITA.
> >
> > I made the aluminum disc because tests revealed some extra resonance
> > on the outside of a 16" disc when played on a 14" platter.
> > Fortunately, I haven't had any calls to transfer a 20" disc. ;-)
> >
> > ~CB
> >
> > Corey Bailey Audio Engineering
> > www.baileyzone.net
> >
> > On 2/15/2021 11:03 AM, Gary A. Galo wrote:
> > > Adrian is right. But, for 12-inch records it's a decent turntable at
> > > a
> > great price.
> > >
> > > Gary
> > >
> > > Gary Galo
> > > Audio Engineer Emeritus
> > > The Crane School of Music
> > > SUNY at Potsdam, NY 13676
> > >
> > > "Great art presupposes the alert mind of the educated listener."
> > > Arnold Schoenberg
> > >
> > > "A true artist doesn't want to be admired, he wants to be believed."
> > > Igor Markevitch
> > >
> > >
> > > -----Original Message-----
> > > From: Association for Recorded Sound Discussion List <
> > [log in to unmask]> On Behalf Of Adrian Cosentini
> > > Sent: Monday, February 15, 2021 1:31 PM
> > > To: [log in to unmask]
> > > Subject: [EXTERNAL] Re: [ARSCLIST] 16" Transcription Turntables
> > >
> > > This message did not originate from SUNY Potsdam or one of its
> > > trusted
> > senders. Do not open attachments, click on links, or provide your
> > credentials if the source is suspicious.
> > >
> > >
> > > No way that will handle a 16" disc. The tonearm base is way too
> > > close
> > and the tonearm isn't long enough. Plus the strobe light and the
> > controls are higher than the turntable. However, it looks like a great
> > turntable for everything else.
> > > http://audiotransformations.sawneybean.com/
> > >
> > >
> > >      On Monday, February 15, 2021, 12:02:32 PM EST, Jeff Willens <
> > [log in to unmask]> wrote:
> > >
> > >   Are there any off-the-shelf turntables available these days that
> > > can
> > handle 16" transcription discs AND commercial 78 RPM records? I've
> > been asked to find some possibilities, but NOT a high-end audiophile
> model.
> > >
> > > I'm wondering if the Audio-Technica AT-LP120XUSB can handle 16" discs.
> > It looks like it can, but perhaps someone here has some experience with
> it.
> > This would be ideal if it checks out.
> > >
> > >
> > https://www.audio-technica.com/en-us/turntables/best-for/step-up-model
> > s/at-lp120xusb
> > >
> > > Thanks,
> > >
> > > Jeff Willens
> > >
> >
>