[pianotech] Knabe Specs

paul bruesch paul at bruesch.net
Thu Jan 6 19:12:08 MST 2011


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
>
>
>
>
>
>
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