Yes, I often tune an 8:4 octave and use those tests. But since Daniel is preparing for the RPT test, and only mentioned the 6:3, I didn't see the need to bring it up. :-) Personally, I like the 8:4 octave more than the 6:3 in most grands. I prefer the slightly growling, rumbly sound to the tighter, cleaner 6:3. FWIW. JF On Mon, 19 Mar 2007 19:11:40, Don <pianotuna at accesscomm.ca> wrote: > > Hi John, > > You can hear 8:4 in the temperament octave if you choose to listen for it. > Try ghosting it and see :) > > At 04:57 PM 3/19/2007 -0500, you wrote: > >When m3=M6, you have a just 6:3 octave. So, yes, they should beat the > same > >for that octave type. > > > >Now, I'd have to check my On Pitch book b/c I don't recall > >offhand...but I think the lower you go, you also start hearing some of > the > >partials above the 6:3. Therefore, it gets kind of hard to hear in the > >lower bass. I generally hear all kinds of junk noise on these low > octaves, > >and have to listen carefully to filter it out. However, you can also use > a > >different test to check the 6:3. > > > >OK, just looked in the book, and another 6:3 test is the P12-P5. When > they > >beat the same, it is a just 6:3 octave. > Regards, > Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. > Non calor sed umor est qui nobis incommodat > > mailto:pianotuna at yahoo.com http://us.geocities.com/drpt1948/ > > 3004 Grant Rd. REGINA, SK, S4S 5G7 > 306-539-0716 or 1-888-29t-uner > -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20070319/aa28ceff/attachment.html
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