Top: before and after hammer reshaping. This can’t make the hammers new again, but can restore some of the tone, even out the sound, and improve sustain. In this case, it was a helpful measure on an old piano where replacing hammers wasn’t currently in the budget. In a perfect world, this should be done every few years on all hammers, especially on high quality or heavily used instruments. Bottom: new hammers on a 100-year-old upright. This is the ideal solution for this age instrument, where the original hammers really have nothing left to give. Many people do not realize that hammer quality and maintenance are some of the biggest factors in the tone quality of a piano! They are worth everything you put into them.
Hammer re-shaping, before and after. You can imagine the difference in sound after all the grooves, grime and dust are gone!
Did you know there are actually three categories of maintenance that pianos need? Tuning is the first that most people think of. But regulation and voicing are two other maintenence items that make an enormous difference in the feel and sound of a piano – sometimes more so than tuning. I’ve discussed regulation before, but voicing is the third element of piano maintenance and refers exclusively to the manipulation of the hammer felt. Over time, piano hammers get deep grooves, as well as the natural hardening and compressing of the felt with age and use. Voicing involves several different techniques to harden, soften, reshape, and re-texturize the hammer felt. It’s called “voicing” because every change made to the hammer felt makes a significant difference in the tone quality of the piano. What may be perceived as a “sour” or “out-of-tune” note is sometimes a voicing issue. Lastly, it’s worth pointing… Read More