Damp-Chaser in Texas

[John M. Formsma]

Avery,

Are you talking about the time that it's unplugged out on stage?

If so, I called Dampp Chaser with similar concerns. They said it takes at
least 24 hours from having the system unplugged for there to be a noticeable
change in tuning. So I'm not concerned anymore about leaving this concert D
unplugged for a few hours. Unless you're going to an environment with huge
variances from 42%, the piano wouldn't change quickly anyway, would it? Say,
from a system-controlled 42% to 60% room RH would take well more than a few
hours to cause a change, right?

BTW, this new D got a DC system installed within a week of delivery (January
'06), and is doing a great job of keeping the piano stable. I tuned it
today, in fact, and it was within 1-3 cents, with a change from 29% RH (on
2/21/06) to 43% today. It has an undercover to hide all the system stuff,
and a larger fill tube clamp to hold the cord up out of sight during stage
use. 

John Formsma



-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Avery
Sent: Thursday, April 27, 2006 12:34 PM
To: Pianotech List
Subject: Re: Damp-Chaser in Texas

Don,

But how does this work? They're always being moved in and out of
"somewhere".
I've often wished that DammpChaser could come up with a portable unit of
some
kind that worked off batteries and wouldn't have to be plugged into anything
and wouldn't be obviously visible to the audience.

I'm lucky. Even my storage area for the 'D's' has some 
temperature/humidity control!

Avery