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

David Ilvedson ilvey@sbcglobal.net
Fri, 21 Jan 2005 19:05:18 -0800


TCM festival is?

David I.



----- Original message ----------------------------------------
From: gordon stelter <lclgcnp@yahoo.com>
To: Pianotech <pianotech@ptg.org>
Received: Fri, 21 Jan 2005 11:15:36 -0800 (PST)
Subject: "Circle of Sound"  proof  ???   ( Convince me otherwise and win a free kazoo! )


>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 
>( 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" ?  
>     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




>--- Ron Nossaman <rnossaman@cox.net> wrote:

>> 
>> >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.
>> 
>> Killer octave country. I'd check crown for sure
>> there.
>> 
>> 
>> >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.
>> 
>> Did the rebuilder mount the plate with the old lags
>> (on dowels?) instead of 
>> the bolt suspension system designed for this plate?
>> 
>> 
>> >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.
>> 
>> If it was my project, I'd want to add bracing,
>> cutoff and fish, new rib 
>> scale, soundboard, bridges, string scale with no
>> wrapped trichords, and do 
>> something about that front duplex.
>> 
>> 
>> >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.
>> 
>> Good! I didn't realize this was a church from your
>> first post.
>> 
>> Ron N
>> 
>> _______________________________________________
>> pianotech list info:
>> https://www.moypiano.com/resources/#archives
>> 



>	
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