[CAUT] Gravalla Tension regulator

[Barbara Richmond]

Dunno. My method is to try both and see what sounds best.

br
----- Original Message ----- 
From: "Farrell" <mfarrel2 at tampabay.rr.com>
To: "Pianotech List" <pianotech at ptg.org>
Sent: Monday, September 24, 2007 9:28 AM
Subject: Re: [CAUT] Gravalla Tension regulator


> I'm still feeling my way around much of this soundboard function theory 
> stuff - and hence a question: If sound improves by clamping a Vise-Grip to 
> the bridge, does that not suggest a mass insufficiency rather than a 
> stiffness problem? Perhaps the piano also has a stiffness problem in that 
> area of the soundboard, but how does the mass added to the bridge suggest 
> stiffness rather than mass?
>
> Terry Farrell
>
> ----- Original Message ----- 
> SNIP
>> I tested by clamping my small Vise-Grips on the bridge pins and the sound 
>> came right up.
>>
>> Barbara Richmond, RPT