K Anderson wrote: > > Hi, List, The problem > concerns a Story & Clark #413683, one of the ones "Built for churches"; > it is a church's sanctuary piano & their main worship instrument. It > just will not stay in tune longer than about 6 weeks. I service a church piano with a similar plight, a Yamaha P22 next to a wall which has nothing but tall, curtainless windows letting in direct sun which plays on the back of the little upright. Since there was no hope of moving the piano to a better location, I installed a partial DC system and fashioned a 1/8" plywood cover for the back to mitigate the temperature variations. This cut back on projection significantly so I miked the back of the soundboard and put a volume control box on the bass cheekblock. After the retrofits, the tuning was much more stable. And the pianist likes being able to boost the gain for when the whole congregation is singing. Ironically, soon after all that trouble and expense, a member of the congregation announced that she was moving out of the area and wanted to donate her late-model Yamaha MX-100 (complete with spiffy plexiglas front board) to the church. Naturally, the church accepted the gift and now the P22 is in another building, well away from the sun. So far, I have only tuned the new Disklavier Yamaha... Tom -- Thomas A. Cole, RPT Santa Cruz, CA mailto:tcole@cruzio.com
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