What is Piano Regulation and how does it affect your piano's performance?

Regulation is the adjustment of the mechanical aspects of the pianos to compensate for the effects of wear, the compacting and settling of cloth, felt, and buckskin, as well as dimensional changes in wood and wool parts due to changes in humidity. 

The three systems involved in regulation are the action, trapwork, and damper system. The action is the mechanical part of the piano that transfers the motion of the fingers on the keys to the hammers that strike the strings. It is comprised of over 9,000 parts which require adjustment to critical tolerances to be able to respond to a pianist's every command. The trapwork is the assemblage of levers, dowels, and springs that connects the pedals to the action affecting sustain and dynamics. The damper system is the mechanical part of the piano that stops the vibration of the string when you release the key and is controlled by the key and pedal systems.

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What Work Is Included In Rebuilding a Piano?

Complete piano rebuilding typically includes:

• Complete disassembly of the instrument.
• Repair or replacement of soundboard, bridges, and pinblock, as well as repair of any structural damage to the case.
• Replacement of all strings and tuning pins.

• Thorough restoration of action and damper system, including replacement of hammers, many action parts, springs, and most felt.
• The rebuilding of the pedal and trapwork system, including replacement of all worn felt, leather, and metal parts.
• Refinishing of case and plate, polishing or replating of all hardware, and replacement of all decals, felt trims, and rubber buttons.
• Complete action regulation, tuning, and voicing.
• Multiple tunings to stabilize new strings.

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