FWIW, http://www.knabepianos.com/history.php says it's made by Samick. Paul Bruesch Stillwater, MN On Thu, Jan 6, 2011 at 7:03 PM, Dean May <deanmay at pianorebuilders.com>wrote: > Yes, I'm pretty sure that is a Young Chang piano and it will benefit > greatly from good letoff and drop. Set the let off close, in the piano. You > can develop a technique of watching the hammer top side come up to the > strings. Bottom side you feel which jack is coming up while you hold the > regulating tool and turn the capstan, all by feel. It can be done, and > amazingly quickly, once you get the feel for what is going on (learned this > from Shigeru factory tech who spoke virtually no English). This allows you > to set the let off very close. I'd recommend 1.5 mm. Then pull the action > out and set drop .5 mm below that, using the letoff of neighboring hammers > as a guide. Actually, after I set drop on the first hammer in a section, I > set the others to it, ocassionally using the letoff of a neighboring hammer > to make sure I'm still on target. Make sure you have adequate after touch > after setting your letoff (and before setting drop). Raise your hammer line > and fudge on the blow distance if you need more (assuming key dip is good, > should be about 10 mm). > > Another thing it will benefit greatly from is carefully fitting the keys > to the key frame. Pull all the keys in a section, then one at a time start > dropping them on their balance rail pins. I like for them to be eased enough > to drop on the pin, YMMV. Then check the mortise fits on the balance rail > pin and front rail pin, easing as needed. Then pull the key back off and > using a pipe cleaner, brush some teflon powder in the balance hole and on > each of the mortise felts before final install. > > > *Dean*** > > Dean W May (812) 235-5272 > > PianoRebuilders.com (888) DEAN-MAY > > Terre Haute IN 47802 > > > > > ------------------------------ > *From:* pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] *On > Behalf Of *Piano Boutique > *Sent:* Thursday, January 06, 2011 7:49 PM > *To:* pianotech at ptg.org > *Subject:* Re: [pianotech] Knabe Specs > > Bill, > > If there is any one regulation to look at, it would be the let off. If it > is far away, one looses soft control. > > William > > > > > ----- Original Message ----- > *From:* Piano Tuner Bill <Pnotuner at rochester.rr.com> > *To:* pianotech at ptg.org > *Sent:* Thursday, January 06, 2011 2:47 PM > *Subject:* [pianotech] Knabe Specs > > Does anyone have the specs for a five yr old Knabe grand? I don't have > the model number, but it's under 6', if that helps. The complaint is that it > doesn't play expressively i.e. hard to play softly with any control. I'm > looking at it tomorrow and would appreciate any comments from anyone with > experience with these. I presume that it'll need regulating but I'm also > wondering about the geometry and touch weight. > > > > Thanks in advance > > > > Bill Costanzo > > Rochester NY > > > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20110106/e4c38557/attachment.htm>
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