Bass Bridges made of Spruce!/JD

[Erwinspiano@AOL.COM]

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In a message dated 2/26/2002 10:45:30 AM Pacific Standard Time, 
pianobuilders@olynet.com writes:


> 
> 
> 
> ----- Original Message -----
> From: "Farrell" <mfarrel2@tampabay.rr.com>
> To: <pianotech@ptg.org>
> Sent: February 25, 2002 3:52 PM
> Subject: Re: Bass Bridges made of Spruce!/JD
> 
> 
> > Why not? Nice and light-weight. As long as you keep it below the depth to
> which bridge pins go. Is there a need for mass in the bridge - especially a
> bass bridge?
> >
> > Terry Farrell
>   DEL wrote
> There is no particular need for high mass in the bass bridge, but it's not
> particularly bothersome (or noticeable) either. Remember, mass has more
> effect on the higher frequencies and springiness on the lower frequencies 
> of
> the piano's energy spectrum.
> 
         Terry, Del- & J.D.
>>>>>>>>>>Am currently working on the Bleuther ^6ft. 4" grand with the bass 
bridge having four large square holes removed at equal interval under the 
level of the quite thick cap. Sustain isn't bad but it does kind of have as 
hollow sound. Get it? But really it lacks beef. I'll probably put a solid 
body on it under the cap and remove the small apron so as to glue it directly 
to the board. This arrangement I know I prefer the sound of .
>>>>Dale>>>>>>>>>>

> No, I haven't tested and/or documented this, but I have replaced a lot of
> bridges both with and without all the fancy holes drilled in them that are
> obviously intended to lighten them up. I've never noticed that the holes
> made any difference at all.
> 
> I see no reason why a bass bridge body could not be made out of spruce or
> maple or beech or ash or everyone's favorite--Select Hardwood--for that. I
> doubt the acoustical differences would be all that noticeable. The choice 
> of
> material used in the body--either good or bad--will certainly be less than
> sticking a cantilever under there.
> 
> Del
> 


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