Bass Tuning

[David ilvedson]

And then the customer comes and plays single octaves and looks 
at you and says does that sound right?  I think it's a little 
off.  With PSOs it's a crap shoot!  Actually with POSs it's a 
crap shoot.

David ilvedson, RPT
Pacifica, CA

> From:          "Richard Moody" <remoody@easnet.net>
> To:            <pianotech@ptg.org>
> Subject:       Re: Bass Tuning
> Date:          Wed, 30 Sep 1998 21:05:44 -0500
> Reply-to:      pianotech@ptg.org

> The bass tuning tests I rely on most are the fifths, octave + fifth (12th)
> and double octave + fifth (19th).  
> 	As Newton implied and I state emphatically, because of scaling problems,
> lower bass tuning often turns into a guessing game.  The shorter the scale
> the more the guessing.  But most important are the tests, and getting the
> note being tuned to agree best with all of them. 
> 	  The double octave test is the most important test for me, for "roughing
> in "  Then getting the  12th and the 19ths to sound less "sour" is the
> tweeking part and still maintain the octave and double octave sound.  The
> tenths and 17th because of their faster beat rates serve as a guideline
> for detecting "errors"  Because if they beat a little too fast or little
> too slow from theoretical, that will not affect the harmonic sound. BUT if
> the 5th, 12th or 19th beat too much, it makes them sound, well I can't
> think of a better word, sour. 
> 
> Ric Sourless
> 
> ----------
> > From: Newton Hunt <nhunt@jagat.com>
> > To: pianotech@ptg.org
> > Subject: Re: Bass Tuning
> > Date: Tuesday, September 29, 1998 7:54 AM
> > 
> > 
> > Ok, here go some of the other bass test.....................
> > 
> > 
> > I often listen to double octaves, to see that they are as near pure as
> > possible...................................
> > 
> > 
> > Thanks for asking, Elian.
> > 
> >                     Newton
> >                     nhunt@jagat.com
> > 
> 
> 
David Ilvedson, RPT
Pacifica, CA
ilvey@jps.net