Sympathetic ringing

[Jim Coleman, Sr.]

Hi Jerry:

There are some things in good high resonance pianos that cannot be fixed.
You have to do what Microsoft does. Make a feature out of it.
It's the same phenomena as the E6 on a Baldwin Hamilton. Only the the goos
piano have this.

Jim Coleman, Sr.

On Tue, 20 Jan 1998, Jerry Hunt wrote:

> On a 14 year old Yamaha G3, customer called complaining of some dampers
> in the middle not damping. On investigation, discovered that the ringing
> on was not from the note being played (there were about 4 in the center
> of the piano), but was coming from un-muted trebles. Re-tuned 3 trebles,
> eliminating most of the ringing. However, there was one not (F# 46) that
> still produced noticeable ring in F# 70. Retuned this note, no change,
> tried lowering pitch, sounded worse; raised pitch, sounded worse;
> returned note to tune. This is the first un-damped note.
> 
> I would appreciate any tips on how this ringing might be eliminated or
> at least reduced (damping duplex didn't make any difference).
> 
> Thanks in advance.
> 
> Regards,
> 
> Jerry Hunt
>