Pitch Raise

[John Fortiner]

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From: Michael Gamble [mailto:michael@gambles.fsnet.co.uk] 
Sent: Wednesday, May 11, 2005 3:08 PM
To: tom driscoll; pianotech@ptg.org
Subject: Re: Pitch Raise

 

Hello Tom and List

I suppose it's not at all helpful to state the obvious - "it's in Archives"!
No? Well then this is the way to do it:

Have a cheapo ETD - you know the things - get it from a guitar shop. They
usually have A=439 to A=445 or so. With that tune all the A's to the A=445 -
all 8 of them. Do you have any idea how much tension would be on A-0 when
tuned to A-445??? :-)  Next tune the intermediate M3's i.e. all the C# and
the F's. Now quarter of the piano is done. 

Next recalibrate the ETD to A=444. Now tune all the G's to 444 pitch and
follow that with their intermediate M3's - i.e. all the D#'s and all the
B's. Now you're half-way!

Next recalibrate the ETD to A=443. Tune all the G#'s and then the
intermediate M3's. (three-quarters of the way!)

Last recalibrate the ETD to A=442. Tune all the F#'s and then the
intermediate M3's

And you're done! Sounds like a neat system that I'm going to have to try.

Now fine tune.

Note this... I ALWAYS DETUNE EACH STRING SLIGHTLY BEFORE PUTTING UP THE
TENSION. This breaks the bonding at the pressure bar or capo. Even use a
touch of de-oxidising fluid at those points before you start.

Regards from a dark Sussex Village

Michael G.(UK)

----- Original Message -----  

From: tom driscoll <mailto:tomtuner@comcast.net>  

To: Pianotech <mailto:pianotech@ptg.org>  

Sent: Wednesday, May 11, 2005 5:34 PM

Subject: Re: Pitch Raise

 

 

----- Original Message ----- 

From: Michael <mailto:michael@gambles.fsnet.co.uk>  Gamble 

To: pianotech@ptg.org 

Sent: Wednesday, May 11, 2005 9:54 AM

Subject: Pitch Raise

 

Hello List

. <SNIP>So I used my "Quadrant System" to bring it up to A=440 and fine tune
it in two hours. <SNIP>

    Michael G.(UK)

    

    Michael,

    Could you elaborate on the Quadrant system ?

    Thanks,

    Tom Driscoll RPTired today.


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