trichords unisons

[Joe And Penny Goss]

One beat at what level? The octave, octave and a fifth, two octaves  seventh
partial?
Joe Goss
imatunr@srvinet.com
www.mothergoosetools.com
----- Original Message -----
From: "Don" <pianotuna@accesscomm.ca>
To: <pianotech@ptg.org>
Sent: Friday, May 31, 2002 1:06 PM
Subject: Re: trichords unisons


> Hi Bill,
>
> The 0.9 cents tolerance is at what pitch? A4? If so it is more like one
> beat in 4 seconds.
>
> At 02:15 PM 5/31/02 EDT, you wrote:
> >The PTG Tuning Exam's tolerance is 0.9 cents.  Any unison found to have
> more >than 0.9 cents difference between any 2 strings of a trichord unison
> will have >points deducted.  Basically, this means that any unison must
not
> have a beat in >it that is about 1 beat per second or more.  A unison that
> beats once in 2 >seconds would probably not have points deducted against
it.
>
>
> Regards,
> Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T.
>
> mailto:pianotuna@accesscomm.ca
> http://us.geocities.com/drpt1948/
>
> 3004 Grant Rd.
> REGINA, SK
> S4S 5G7
> 306-352-3620 or 1-888-29t-uner