[CAUT] DC system on stage

[Andrew Anderson]

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I haven't had that problem but I do expect the cover to stretch (even 
wrinkle a little) around the tank.  I suppose you could cut out and 
tape for the tank but I think it is too shiny compared to the 
cover.  By the way, get your own black capped tacks,  there aren't 
enough with the kit, or, do that slick glue-up job they're pushing, 
haven't tried that one yet.

Andrew
At 01:14 PM 9/14/2005, you wrote:
>
>Are these undercovers on pianos with dual tanks? With this type of 
>installation I find that the tanks are mounted to near the rims to 
>use undercovers, at least tightly stretched ones.
>
>-          Mark Dierauf
>-          Concord, NH
>-
>-----Original Message-----
>From: Andrew Anderson [mailto:andrew@andersonmusic.com]
>Sent: Tuesday, September 13, 2005 8:09 PM
>To: College and University Technicians
>Subject: Re: [CAUT] DC system on stage
>
>Barbara,
>I've used an undercover and there is no apparent sonic 
>impact.  There isn't supposed to be any.  It is stretchy, black, and 
>covers things up nicely.  At a distance people will not be able to 
>discern that it is "lumpy" because of the DC equipment.  I would do 
>the undercover for that reason alone, the additional benefit of 
>isolating the climate there from air-currents is just icing on the cake IMHO.
>
>Andrew
>At 06:25 PM 9/13/2005, you wrote:
>
>Thanks, Mark.  If the proposal gets approved, I'll be in touch.
>
>Barbara Richmond
>
>PS  Any pictures?
>
>
>----- Original Message -----
>From: <mailto:Cramer@BrandonU.ca>Mark Cramer
>To: <mailto:caut@ptg.org>College and University Technicians
>Sent: Tuesday, September 13, 2005 5:33 PM
>Subject: RE: [CAUT] DC system on stage
>Barbara, Bill,
>
>Sorry Bill, I'm not a big fan of the carts either.
>
>They are removed from the piano at precisely the time I don't want 
>"anything" changing around the piano.
>
>We do use them in Banff, but only in the Rolston Recital Hall, and 
>only (I believe) because this is one hall where ambient conditions 
>are indeed monitored and controlled.
>
>I've encountered mold in only one instance Bill (sorry to hear of 
>your experiences); a new-to-me client with an 1970's L: the tank was 
>plugged directly into the wall... as in bypass the 
>humidistat!  (need I say more?)
>
>I'm not sure of the material Bill refers to Barbara, but the cloth 
>Dampp-Chaser's under-covers are made from will not absorb sound, 
>they're acoustic grille cloth. For all practical purposes: acoustic 
>impact = zero.
>
>So I will vote for an installed system with undercover.
>
>The first benefit being to buffer the piano's climate from changes 
>and high air-movement within the hall.
>
>The second really, is to nicely hide the installation. Even if there 
>is the odd wrinkle or bulge in the cloth, from the front row the 
>underside of the piano looks like a "sea of black."
>
>We've installed a few Barbara, so if I can provide any install tips; 
><mailto:cramer@brandonu.ca>cramer@brandonu.ca
>
>Meanwhile, something the two of you (and others?) may be interested 
>in as well:
>
>I've just installed an "un-plug" alarm in one of our ensemble rooms.
>
>Un-plug the piano, and a concealed beeper sounds until the piano is 
>plugged back in.
>
>So far so good. I've posted instructions (that even music students 
>can read), the piano has been moved, and the "movee" figured out the 
>"prompt" immediately.
>
>Sorry I cannot provide mechanical details, as one of our engineers 
>devised it. Basically it's a relay with a 9v batter and a pulse beeper.
>
>best regards to you both,
>Mark Cramer,
>Brandon University
>
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>  -----Original Message-----
>From: caut-bounces@ptg.org [ mailto:caut-bounces@ptg.org]On Behalf 
>Of Bdshull@aol.com
>Sent: Tuesday, September 13, 2005 4:03 PM
>To: caut@ptg.org
>Subject: Re: [CAUT] DC system on stage
>Hi, Barbara,
>
>My experience with buckets tight up to the soundboard is that the 
>board discolors, mold develops, and condensation causes hardwood 
>floors to betray water overhead.....Don't ask me how I know...but 
>shortly after that nasty experience several years ago Damppchaser 
>extended the hanger length considerably.
>
>A cover under the piano will certainly affect the reflection of 
>sound...but there are probably folks on the list who could tell you 
>how much, in their own experience....I'm interested too!
>
>Just to go with my "cart" idea again....the cart can be kept under 
>the piano on stage, and removed just for performances, of course....
>
>OR....the piano can be equipped with heater bars and humidistat, and 
>the cart only with humidifiers, and used as much as possible.
>
>Bill Shull
>
>
>In a message dated 9/13/2005 1:20:03 PM Pacific Daylight Time, 
>piano57@insightbb.com writes:
>Thanks, Bill.
>
>Hmm....my goal was a system that could always be plugged in (there 
>are a lot of outlets on that black stage floor), to avoid the 
>syndrome of nice-atmosphere-while-in-storage and then all heck 
>breaks out when it's moved on stage.  You know what I mean?
>
>Barbara Richmond
>----- Original Message -----
>From: <mailto:Bdshull@aol.com>Bdshull@aol.com
>To: <mailto:caut@ptg.org>caut@ptg.org
>Sent: Tuesday, September 13, 2005 3:09 PM
>Subject: Re: [CAUT] DC system on stage
>In a message dated 9/13/2005 12:59:21 PM Pacific Daylight Time, 
><mailto:piano57@insightbb.com>piano57@insightbb.com writes:
>Hi all,
>
>Does anyone have a picture of, or could direct me to a picture of a 
>Steinway D with a full DC system with undercover--preferably on a 
>stage?   I have submitted a proposal for the DC system, but a friend 
>pointed out to me, that sometimes, because the humidifier buckets 
>hang down a bit, the piano looks.........pregnant.   I doubt my 
>technical director would be happy with such a look and would like 
>him to see it before hand.
>
>Thanks much.
>
>Barbara Richmond, RPT
>Barbara, If you could forego the undercover, you could modify the 
>Jahn stands which Dampp-chaser is experimenting with.  They are 
>single system carts with a leg on each corner, and need to be 
>combined into a dual system stand which straddles the truck;   I did 
>this during the summer, and will be sending Roger Wheelock the 
>modification drawings when I "get it together."
>
>Bill Shull


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