DC Systems on Concert pianos

[Mark Cramer]

We've experienced good success with a double-tank system under a D in the
city's concert hall.

I should say good success with the staff, they've been great!

Although I haven't fit one to this piano, here's an excellent place for a
bottom cover.

1.) to isolate the piano from air-flow changes on-stage / off-stage

2.) to make the system invisible to patrons in the first row. (though it's
all pretty black under there anyhow)

Both the main stage and the apron have convenient AC receptacles hidden
throughout.

Re: buzzes...I've been meaning to raise this question

Has anyone experienced buzzes/rattles from a DC system, other than from the
tank-support rods?

How about from the vapor shields?

I've had two Baldwins where the ribs are so close to the beams that there
was some buzz (I bent the rods down). I have wondered however, if it would
be good prevention to put some cloth between the rods and tops of beams as
prevention?

thanks,
Mark Cramer
BRandon University




-----Original Message-----
From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org]On Behalf Of
Jeff Tanner
Sent: Friday, October 10, 2003 10:48 AM
To: College and University Technicians
Subject: Re: DC Systems on Concert pianos; was: Steinway 45 upright


I've thought about that idea, but the truck would get in the way of
rolling the cart under the piano.
Jeff

On Friday, October 10, 2003, at 11:42 AM, Otto Keyes wrote:

> At Banff I rigged up some damp chaser systems on small carts which
> could be
> rolled under the concert grands.  Perhaps not as effective as an
> "in-piano"
> system, but with a long skirt on the cover (could be attached with
> velcro
> strips) it provided some control.  These were easy to cobble together
> (1x4
> frame on casters), and I think it would be worth a shot.  When not on
> stage,
> the pianos went in their "box" backstage & the carts went in with them.
> Don't know if those are still in use since the new music building went
> in a
> few years back, but they were reasonably effective at the time.
>
> Otto
>
> ----- Original Message -----
> From: "Wolfley, Eric (wolfleel)" <WOLFLEEL@UCMAIL.UC.EDU>
> To: "'College and University Technicians'" <caut@ptg.org>
> Sent: Friday, October 10, 2003 8:07 AM
> Subject: RE: Steinway 45 upright
>
>
>> This piano gets trucked around a fair amount and lives on a large
>> union
>> stage where people shove things around and ask questions later. Also,
>> its
> in
>> a 3,000 seat hall (Cincinnati Music Hall) and I wouldn't want to
>> cover up
>> anything. They record every concert for broadcast and I'd be paranoid
>> of
>> potential rattles. Do a lot of people out there use DC units onstage?
>>
>> ~~~~~~~~~~~~~~~~~~~
>> Eric Wolfley
>> Head Piano Technician
>> Cincinnati College-Conservatory of Music
>> University of Cincinnati
>> ~~~~~~~~~~~~~~~~~~~~
>>
>>
>> -----Original Message-----
>> From: Don [mailto:pianotuna@accesscomm.ca]
>> Sent: Friday, October 10, 2003 4:36 AM
>> To: College and University Technicians
>> Subject: RE: Steinway 45 upright
>>
>>
>> Hi Eric,
>>
>> Why no hope of a DC system with bottom cover?
>>
>> At 10:12 AM 10/10/2003 -0400, you wrote:
>>>  to dry out it reverts a devilish false beat capo noise monster.
>> Unfortunately, most of the concerts are during the dry months and
>> there is
>> no hope of any climate control.
>>> Eric Wolfley
>>
>> Regards,
>> Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
>>
>> mailto:pianotuna@accesscomm.ca
>> http://us.geocities.com/drpt1948/
>>
>> 3004 Grant Rd.
>> REGINA, SK
>> S4S 5G7
>> 306-352-3620 or 1-888-29t-uner
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