more notes on humidity change

[Alan Barnard]

Yep. I'm a believer. Try it on a Yamaha GA-1 in a rural church (heat and
air only on Sunday mornings and Wednesday nights). It'll even tame the low
tenor on those beasts.

Alan Barnard
Salem, Missouri


> [Original Message]
> From: Don <pianotuna@yahoo.com>
> To: Pianotech <pianotech@ptg.org>
> Date: 09/28/2005 7:27:09 PM
> Subject: more notes on humidity change 
>
> Hi all,
>
> Another piece to add to the puzzle of humidity control.
>
> The piano:
>
> Samick 121 cm (48 inch for the metrically challenged)
>
> The humidity 57%
>
> The piano is equipped with a full dc humidity control system (vintage
1996)
>
> Problem:
>
> D#3 (first plain steel) was 13.75 cents sharp and A4 4.5 cents sharp
>
> Diagnosis:
>
> "drier bar" burned out.
>
> Solution:
>
> Replace drier bar.
>
> Results:
>
> After 30 days the pitch at A4 was -0.63 cents and D#3 was -3.4 cents
>
> So pitch change in total at A4 was over 5 cents and at D#3 was over to 17
> cents.
>
>
> Regards,
> Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
> Non calor sed umor est qui nobis incommodat
>
> mailto:pianotuna@yahoo.com	http://us.geocities.com/drpt1948/
>
> 3004 Grant Rd. REGINA, SK, S4S 5G7
> 306-352-3620 or 1-888-29t-uner
>
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