Tuning the Capo

[gordon stelter]

Sorry, Jason, but the "Capo Bar" is the solid bar cast
into the plate which provides the forward string
speaking length termination point, and downbearing for
the bridges ( as oppsed to the agaffes lower down the
scale ) I believe you are referring to the duplex 
(or triplex) bars.

--- Jason Kanter <jkanter@rollingball.com> wrote:
> Greetings, list. I have met a Yamaha C-series grand
> that I will be tuning next week. Took the ETD
> "voice-print", played it, and examined the action.
> 
> This piano has a cap d'astro bar in both the treble
> and tenor sections. Owner complains that sometimes
> the piano has a "ring" that sounds almost like a
> telephone. I checked the tuning of the capo and they
> are all way off. The highest section, where the capo
> section is equal to the speaking section and
> therefore should be a unison, is off by more trhan a
> semitone. There is no place in the whole capo that
> is in tune. And there is muting string-braid-felt
> that has been inserted to quiet the lowest 7-8 notes
> of the capo (about c4 to g4).
> 
> My question to you is: what's the current best
> practice regarding tuning of the capo? Do you
> routinely check and adjust? Can I just take a hammer
> and screwdriver and tap it forward/back until it is
> in tune, and then tune the piano? Or is it necessary
> to lower string tension first? Or should I use a
> different tool such as a hammer shank to tap the
> bar?
> 
> And next question: should I remove the muting felt
> from the c4-g4 area of the capo?
> 
> Inquiring minds want to know.
> 
> Thanks in advance
> 
> 
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> |||
>  jason kanter * piano tuning * piano teaching
>  bellevue, wa * 425 562 4127 * cell 425 831 1561
>  orcas island * 360 376 2799
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> |||
> 
> 
> 


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