I meant to paste this in my last message
Piano with mute rail and let-offs· The let-offs should be set at 2 - 3 mm for the best acoustic piano touch. A piano
fitted with a mute rail cannot maintain this ideal setting as the mute rail curves
when the hammer strikes it. Therefore the let-offs must be set somewhat further
away than the ideal setting, e.g. 5 – 6 mm.
Requirement Possible adjustment
The clearance between the hammer and the
string at the let-off point should be reduced.
Fit a spacer between the hinge and the
mechanical support.
This must be checked regularly afterwards.
The piano should not be played when the
mute rail is in the mute position.
Adjust the clearance between the cable joints.
The let-off must be rechecked after this
adjustment has been made.
The screws in the dampers should not touch
the mute rail.
Use the adjustment screw on the operating
lever to position the mute rail.
The mute rail should not be able to move
sideways.
Fit a tie clamp in Section (D) (See: Page 11
Fig I-H, Rear View of (D)-Part)
Play the piano for a while in order to
immediately pinpoint any minor defects or
deformations and then readjust them.
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James Kelly
Owner- Fur Elise Piano Service
Pawleys Island SC
843-325-4357
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Original Message:
Sent: 06-09-2021 10:09
From: James Kelly
Subject: Quiet Time Regulation
The following came from a Quiettime installation menu. The install and letoffs vary depending on the presence of existing mute rail hardware and felt. To keep from hitting the strings when quiettime is in use the letoff has to be tweaked . Over time as the hammers wear there is a need to re-regulate the action and re=calibrate the system.
The letoff is way out on the U1
As for the Steinway K 1/4" also seems too great. Center pinning and shanks should not be adversely affected. By design the hammers in a quiettime hve to stop short of the strings so that all of the other sounds can be activated by the sensor strips and heard in the headphones or speakers.
Most player systems are used to play the piano from the encoded Piano Disc /Disklavier/QRS Pianomation CD's or music on the CPU and/or IPAD
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James Kelly
Owner- Fur Elise Piano Service
Pawleys Island SC
843-325-4357
Original Message:
Sent: 06-08-2021 16:21
From: Joe Wiencek
Subject: Quiet Time Regulation
My client has a Quiet Time installed in a Yamaha U1, recently new to him. When engaged, at its current position, the let off is set from 3/8"-1/2". Which of course makes it horrendous for playing in acoustic mode. I'm not very familiar with these systems, but my initial investigation didn't reveal how to easily change the shank blocking mechanism to allow a more reasonable let-off in acoustic playing. Anyone have tips on how to adjust, or relocate the block position?
Incidentally, another client has a new Steinway K with a PianoDisc Prodigy installed, the let-off is great, but when the digital is engaged, the shanks (hammers) block at least 1/4" from the strings. My sense tells me this is very bad for the center pinning as well as the shanks. I've tried contacting Pianodisc to get regulation specs for both of these units, but no replies thus far.
Joe Wiencek
NYC