established memory

[David Ilvedson]

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I just hope I can remember that...

David I.

----- Original message ---------------------------------------->
From: Kenny Finlayson <kennyfin@jetstream.net>
To: <pianotech@ptg.org>
Received: Fri, 17 Dec 2004 19:02:40 -0800
Subject: established memory

 
> 
>One thing we didn't mention in the discussion of pitch raise,=
 and help 
>with 'bad tuning', is established memory. If the piano has had a=
 well 
>established memory at one time, it is easier to re-establish=
 that memory.
>  
> 
Oh I like this concept.... Please... elaborate on what exactly=
 you mean 
and how you think a piano can manage to achieve such an=
 attribute.
 
>Kenny Finlayson,
>RPT
>  
> 
Cheers
RicB
 
 
Hi RicB:
 
I happen to be playing Grieg=92s Lyrische Stucke at the moment.=
 Very beautiful stuff. 
 
By piano memory, I refer to the stretching of the extremely hard=
 piano wire, what we used to call =91music wire,=92 across a cast=
 iron, what we used to call =91pig iron,=92 plate. 
 
It never ceases to amaze me how old pianos say of 80 =96 100 years,=
 manage to stay together and support the tremendous pressure=
 exerted by the tension of the wire, cumulatively of=
 approximately 18 tons. It says a lot for their sturdy=
 construction, put together with hide glue, what we used to call=
 =91horse glue.=92  
 
Does it sound like I=92m getting over the hill? I turned 60=
 recently.
 
When the piano has reached a point where it will hold its pitch,=
 the memory is said to be established. 
 
I have observed that some old pianos that haven't been tuned in=
 many years respond to pitch raise and tuning much more readily=
 than others. This can only be due to established memory. If a=
 piano teacher in the 1920's had the piano tuned two or three=
 times a year for 20 years, the memory would certainly be well=
 established. A similar old piano, tuned only every several=
 years, may not ever have had good memory established, and could=
 conceivably go through all its life without being in tune; and=
 this must be the piano that falls in pitch almost immediately=
 after pitch raise and tuning.
 
Well established memory is an enviable achievement for any piano.=
 It can only happen by repeated regular tunings and care by=
 qualified piano technicians.
 
Best wishes for the season.
 
Kenny Finlayson, RPT


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