When the subject of aural pitch raises was being discussed recently, I tried to explain using a rather crude diagram how the strip mute was inserted. A picture is worth a thousand words, so here it is. It was made from one strip of 1" action cloth, which was then cut in half to make two 1/2" wide strips. Each is about the right length to cover a complete treble section (except in some pianos). It is inserted as pictured and the middle strings are tuned. Then the "top" half of the strip only is removed to tune unisons. One can then tune down the same row of pins, moving in whole steps. Then the rest of the strip is removed, and the other strings are tuned in the same fashion -- moving up and down by whole steps. The benefit is mainly time savings. Normally, one would insert a strip mute at least twice per section ... once to tune the middle strings, and once again to tune the outside strings to the middle. It takes no more time to insert a strip the pictured way as it would to insert it the "traditional" way. In verticals, both strips are used across the entire section, one on top of the other, with the bottom strip pushed behind the dampers. After the middle strings are tuned, the top one is pulled out, etc. One can also make a different sort of single strip for the middle section. I'd have a picture of that also, but I haven't made up a new one yet. Maybe next week? -- JF -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech_ptg.org/attachments/20090110/c26af5a8/attachment-0001.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: muting.jpg Type: image/jpeg Size: 22755 bytes Desc: not available URL: <http://ptg.org/pipermail/pianotech_ptg.org/attachments/20090110/c26af5a8/attachment-0001.jpg>
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