Damp-Chaser in Texas

[John M. Formsma]

OK, that would certainly be nice, but is it really necessary? 

I don't know the answer from my lack of personal observation, but if changes
happen more slowly rather than quickly, why the need for a system with
something like a uninterruptible power supply?

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 3:54 PM
To: Pianotech List
Subject: RE: Damp-Chaser in Texas

John,

At 03:35 PM 4/27/2006, you wrote:
>Avery,
>
>Are you talking about the time that it's unplugged out on stage?

I'm talking it never being "unplugged"!

>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.

Avery


>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