Not enough dampers

[jolly roger]

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Hi Brian,
               Add triple damper blocks for the bass dampers to help reduce
that over ring bleed.  You can use a couple of temp strips, on all the bass
strings to determine if this is going to help solve the problem.   I have
noticed over the years this is the major cause of customer complaints.

regards Roger




At 05:27 AM 12/5/01 -0800, you wrote:
>Hi Phil,
>
>If it is indeed the speaking lengths of the upper
>unmuted strings that is ringing on, there's not
>much to be done except adding dampers (possible
>perhaps, but not likely practical).
>
>It is possible that a set of poorly working bass
>dampers can give a similar effect by excessively
>bleeding overtones.
>
>Another possibility would be waste lengths that
>are speaking.  Some piano makers don't bother to
>mute off anything in their upright pianos leaving
>the lengths between tuning pin and the first
>bearing point open, the front duplex area open,
>and the rear duplex area open.  And when you add
>that all up, that's a lot of open string to be
>jangling away unchecked.
>
>I think if it was me, I'd start with doing my
>best to make sure the dampers that are there work
>as well as they can.  (Adding some mass to them
>may or may not be helpful, especially in the
>bass.) Then I'd have at it with a roll of string
>braid or similar acting substance of choice. 
>After that, it gets more complicated, whether
>it's finding a better piano, or altering this
>one.
>
>Good luck,
>
>Brian T.
> 
>
>=====
>Brian Trout
>Grand Restorations
>3090 Gause Blvd., #202
>Slidell, LA  70461
>985-649-2700
>GrandRestorations@yahoo.com
>
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