It is a mystery to me how some of us techs can do a blind PR without mutes (and in just several minutes). It is quite apparent when raising one string of a 3 string unison, the other two will sound in addition to the one being raised. This can confuse me and I am usually off when I end this technique. I end up doing almost two full tunings because I can't seem to get this down with any speed. Does anyone have suggestions to assist in this problem? I've been running into quite a few 100-120 cents flat pianos as of late and as you know, time is money. Thank you Mark Mark's Piano Service Freeland, MI mps at usol.com
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