Hi Kevin, I think you may be surprised at the bottom covers on Grands. The back covers on uprights make a *huge* difference to the response of the systems. Of course I live in an extremely unfriendly environment, so your mileage may vary! At 08:11 PM 12/24/2001 -0600, you wrote: >>...System now recommended by Damppchaser is GPSH 38/25 with bottom cover. >>Don Rose... > >Hi Don, List, > >As I understand the main purpose of the Dampp-Chaser Grand Undercover in >Gayle Mair, President's letter I received under the heading: > >Which pianos need the Undercover? > >* Pianos located where air movement is so extreme a Climate Control System >could not effectively stabilize them in the past. >* Pianos located in situations (near windows, vents, foyers, hallways, >etc.) where they are or will be subjected to exceptional air movement after >the installation of a System. > >Also, just for information's sake, they can only be used with a >between-the-beams installation of the Humidifier only. > >Thanks for bringing up that 'bottom cover' again. I had completely >forgotten about its existence. > >Onward Donder, Cupid, Dasher, Dancer, Prancer, Comet, Blitzen, Vixen, >Rudolph... >(Info about reindeer that you probably didn't know) ><http://www.portharbor.com/santa/xsarein.htm> > >Keith McGavern >Registered Piano Technician >Oklahoma Chapter 731 >Piano Technicians Guild >USA > > > Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T. mailto:drpt@sk.sympatico.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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