[CAUT] 1098 slight redesign

[Andrew Anderson]

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Jim,
If it is thumpy, have you considered adding some impedence?

Andrew Anderson

At 01:22 PM 2/9/2006, you wrote:
>List,
>
>We just finished a restringing/slight redesign of a 1963 Steinway upright.
>
>    * We ground down the "bump" and lowered the pressure bar 
> slightly. This made tuning a LOT better. Easier and more stable.
>    * We shortened the apron on the bass bridge (cantilever) to give 
> 85mm (backscale) on the lowest bass note. It was 40mm.
>    * It now has Pure Sound stainless wire. This made the biggest 
> difference. Richer, more stable.
>    * Added a small tenor bridge. I'm not sure if this made much of 
> a difference, but the break does seem to be smoother and the 
> bichords seem to have a slightly stronger fundamental.
>
>A side by side listen with the same model showed vast improvements 
>in the plain wire sections. I think this was mainly due to the 
>stainless wire. Also, it tunes like a dream now! Removing the bump 
>was easy and well worth it.
>
>Although the piano is improved, in some ways greatly, I still don't 
>like the bass. It's better than the old design but still a bit 
>"thumpy". Any feedback??
>
>I attached a "before" picture and a close up of the bridge changes. 
>The "bump" area looks like the new 1098s so I didn't take a picture of that.
>
>I highly recommend the "bump" removal and the Pure Sound wire. 
>Jury's still out on the other changes.
>
>Regards,
>
>Jim Busby BYU
>
>
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