Acrosonic Damping

[Jim Coleman, Sr.]

Hi Larry:

If this problem is only on the notes 29 and 30, this is due to the 
extremely short damper felts. I have written previously about how to
solve this problem. Write me privately if this is the problem. If the
problem in in the treble, checking to see that the damper pressure is
proper both at the top and bottom of the damper felt (a frequent problem
on many vertical pianos). Their treble damper felt is usually pretty good.

Jim Coleman, Sr.

On Thu, 17 Dec 1998, Larry J. Messerly wrote:

> I just got back from an appointment where the client complained about the
> ringing of the Acrosonic (1972) after the damper pedal was released. 
> There is no quick cut off on the sound.
> 
> Damper timing and adjustments were all okay.  Dampers followed the
> strings in all areas.  
> 
> Is this something that would be helped by Yamaha damper felts or is it
> inherent in this piano?
> Larry Messerly RPT
> Phoenix/Prescott
> 
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