"Circle of Sound" proof ??? ( Convince me otherwise and win a free kazoo! )

[Terry]

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Gordon wrote:

"What better explanation could there possibly be
for this contrast than that hard woods transmit
runaway vibrations back to the board for further
expression as audible sound, AKA the much-maligned
"Circle of Sound" ?=20
=20
Absolutely! I agree completely. And the proof is in the fact that the =
case material is the one and only difference between these two pianos!

You are not even comparing apples and oranges - you are comparing drive =
shafts and conjugated verbs!

I'll pass on the kazoo.....

Terry Farrell


> Dear Cynical Smartypantses,
>      I've been puttering around with a 106 year old
> Everett upright, in preparation for the TCM festival;
> and marveling at how an unrestored piano such as this
> can still sound so wonderful: with a rich, warm, clean
> and well-defined tone!
>      And then I noticed that every bit of the case=20
> ( under the veneer, that is ) seems to be solid ash,
> excepting the keybed, which is laminated rock maple
> similar in configuration to the glued-up boards used
> in bowling alleys.
>      And then I remembered the new, Georgia-built
> Yamaha upright I tuned at a church last year: with its
> particle board case and exceptionally muddy, "thubby"
> tone.....
>      What better explanation could there possibly be
> for this contrast than that hard woods transmit
> runaway vibrations back to the board for further
> expression as audible sound, AKA the much-maligned
> "Circle of Sound" ? =20
>      While we may consider many of those in the
> marketing end of the piano business worthy of a good
> spanking, are we perhaps guilty of letting our disdain
> of them denigrate a valid concept ?
>      Thump
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> --- Ron Nossaman <rnossaman@cox.net> wrote:
>=20
> >=20
> > >It has been tuned by two other RPT's recently. I
> > tuned it yesterday and
> > >am going back
> > >to Charleston ( that's where the piano is-50 miles
> > up the road) next
> > >week to see
> > >  how MY tuning fared. It was mostly unisons, the
> > worst in the A-49 thru
> > >C-64 range.
> >=20
> > Killer octave country. I'd check crown for sure
> > there.
> >=20
> >=20
> > >One other thing I didn't mention in my first post
> > is that I found a
> > >plate lag bolt,
> > >the one in the extreme right front that was not
> > snugged down to the
> > >point that the flat washer
> > >and the lock washer both would spin.
> >=20
> > Did the rebuilder mount the plate with the old lags
> > (on dowels?) instead of=20
> > the bolt suspension system designed for this plate?
> >=20
> >=20
> > >Should this project proceed, and while the board is
> > out, do you see any
> > >benefit in modifying
> > >or adding to the bracing etc. Re-inventing the
> > wheel so to speak.
> >=20
> > If it was my project, I'd want to add bracing,
> > cutoff and fish, new rib=20
> > scale, soundboard, bridges, string scale with no
> > wrapped trichords, and do=20
> > something about that front duplex.
> >=20
> >=20
> > >I've
> > >already told the church
> > >that regardless of what else is going on they have
> > a climate control
> > >problem they will have to address.
> >=20
> > Good! I didn't realize this was a church from your
> > first post.
> >=20
> > Ron N
> >=20
> > _______________________________________________
> > pianotech list info:
> > https://www.moypiano.com/resources/#archives
> >=20
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> __________________________________=20
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> Yahoo! Mail - You care about security. So do we.=20
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