punching, it hits you

[Joe And Penny Goss]

Hi Richard,
Are Ono and Takahara in Tokyo?
Joe Goss RPT
Mother Goose Tools
imatunr@srvinet.com
www.mothergoosetools.com
----- Original Message ----- 
From: "Richard Brekne" <Richard.Brekne@grieg.uib.no>
To: <ilvey@sbcglobal.net>; "Pianotech" <pianotech@ptg.org>
Sent: Sunday, August 15, 2004 2:27 PM
Subject: Re: punching, it hits you


> David Ilvedson wrote:
>
> >I have heard of washing and drying punchings to change density and mainly
stability...
> >
> >David I.
> >
> >
> >
> >
> Well, I have to admit that a few years back (4-5) this concept was new
> to me as well. Andre started talking about it, and then we who know him
> here of course started giving it a try.  First for me was simply
> noticing the difference between pianos, and trying to experiment a bit
> with trying out different things. I remember a Petrof grand that I
> ordered some very hard punchings for through the Steinway rep here.
> (course I told him is was for a Steinway :)  )  I was really suprised at
> the difference, but then Petrofs are (were) known for very soft action
> felts almost as if they wanted a lot of give in the action.  In anycase
> the difference was obvious, and everyone who plays on this agreed that
> the difference was for the better. And interestingly  enough many
> students remarked that they thought the tone of the instrument had
improved.
>
> This brings me to another one of Andre's suggestions... that about the
> height of the backcheck having an impact on tone.  Now this one is just
> plain weird sounding... I'll be the first to admit it... but there it
> was.  When Andre was up here a couple years back he demonstrated it to 5
> of us, and no one could avoid admiting that he'd changed the tone... the
> openess of the tone on the notes he'd adjusted.  I asked the famous
> Japanese pianotechs Mr.  Ono and Mr. Takahara  about this too whilst I
> was in Japan this summer, and they both immediatly responded along the
> lines... "but of course-- didnt you know that ???"... tho to this day I
> have yet to find a satisfactory explaination for why the height of the
> backcheck can influence the openess of the tone of the piano.
>
> Anyways... I've come to learn, as Isaac has as well... that Andre' is
> full of a lot of piano tone knowledge.  Much of it based on hands on
> experience as opposed to engineering expertise.  Funny how that still in
> these days almost always yeilds the best advice.
>
> In anycase... like I said... I suggest you start experimenting around
> with punchings densities just to see for yourself.  Another felt I've
> been thinking of trying to replace with some of this Wurzen stuff is the
> whippen cushion.  I'll have to wait tho until the appropriate felt is
> available from Wurzen... and I have this Petrof in mind once again.
>
> Cheers
> RicB
>
>
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