[pianotech] GH1 - pitch lock?

[John Formsma]

Carl,

Are you wanting pictures of Pitchlocks on the front duplex?

If so, the Pitchlock.com website has them.

http://pitchlock.com/pitch-lock-string-couplers/


-- 
John Formsma, RPT
Blue Mountain, MS


On Wed, Sep 26, 2012 at 12:34 AM, Carl <koko99 at shaw.ca> wrote:

> **
> Would be nice see a couple of pics of this.
>
> CT
>
> ----- Original Message -----
> *From:* John Formsma <formsma at gmail.com>
> *To:* pianotech at ptg.org
> *Sent:* Monday, September 24, 2012 9:49 AM
> *Subject:* Re: [pianotech] GH1 - pitch lock?
>
> The first thing that comes to my mind is will another technician realize
> the Pitchlocks are there? It's fine as long as you're the only one tuning
> it, but someone else might not notice them at first.
>
> What about putting them close to the agraffe so they're more visible?
>
> I've had good results with using Pitchlocks on some Steinways with lots of
> front duplex noises. (On Steinway D's the C6-E6 area can be pretty awful.)
> And have used them on bass bichords a time or two.
>
> --
> John Formsma, RPT
> Blue Mountain, MS
>
>
> On Mon, Sep 24, 2012 at 9:10 AM, Ron Koval <drwoodwind at hotmail.com> wrote:
>
>>
>> I finally have come face-to-face with what has been written about for
>> years..
>> An "icky" Yamaha GH1, with the untunable group of plain wire notes in
>> the lower tenor section.  I know I've tuned a couple of GH1's in the past,
>> but none were this terrible at the break.  B is the lowest plain wire,
>> and from
>> there up to about Eb, they couldn't ever sound decent with the octave
>> above.
>>
>> I realize that there are better, more permanent, costly options, but I
>> wanted to give
>> this a try for a church where I rehearse with a men's chorus...
>>
>> I pulled out my little canister of pitch lock clips and went to work on
>> the
>> bridge side of the strings - closer to the bridge has a minimal effect,
>> while
>> further into the speaking length has a more dramatic effect.  The unison
>> can
>> be "tuned" by moving the clips - the further from the bridge, the flatter
>> the
>> pitch.
>>
>> It is really, "less bad" than before.  The downside is that the only way
>> to
>> tune those strings now is with all three sounding - a nightmare! That, or
>> maybe
>> sliding the pitch locks up and down.  I'll be experimenting as the
>> weather changes...
>>
>> Ron Koval
>
>
>
>
>
>
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