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Very Hard Hammers #2922693 12/13/19 06:19 PM
Joined: Apr 2014
Posts: 221
Duaner Offline OP
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Joined: Apr 2014
Posts: 221
I ran into a piano today in my tuning schedule (apartment upright). Nice little thing and fairly new within 40 years seems like (is that "fairly" new?). Anyway, I found the hammers exceptionally hard, like white maple wood really. The piano is neglected in terms of never played only a little at Christmas but not sure if that has anything to do with it having hard hammers?? So, I want to soften the hammers or at least try that so as to tone down the sharp (ping ping ping) sound I'm hearing instead of a more likeable mellower sound. Some time ago I purchased liquid to make hammers hard and another bottle to make them soft but I have never used either bottle before. I just have the liquid. The procedure seems fairly straight-forward but I think it wise for some of your expertise in the procedure. Tks.


Duane Graves


"Pushin 70...still haven fun I think..."
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Re: Very Hard Hammers [Re: Duaner] #2922809 12/14/19 10:02 AM
Joined: Oct 2011
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That Guy Offline
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Joined: Oct 2011
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I'd recommend these voicing pliers. I use them all the time. They're fairly quick to use and very effective. Also, not horribly expensive. I think about $40 or so. Others are very expensive.


"That Tuning Guy"
Scott Kerns
Lincoln, NE
www.thattuningguy.com
Re: Very Hard Hammers [Re: Duaner] #2922828 12/14/19 11:12 AM
Joined: Dec 2012
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Ed McMorrow, RPT Offline
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Joined: Dec 2012
Posts: 5,437
Tone regulating a piano properly is the MOST difficult skill to acquire for piano technicians. (Damper regulation is next in line).

First you need a model of how tone is produced by the hammers, and then controlled by the action.

One could write a couple of books on the subject. So far I have only published one.


In a seemingly infinite universe-infinite human creativity is-seemingly possible.
According to NASA, 93% of the earth like planets possible in the known universe have yet to be formed.
Contact: Ed@LightHammerpiano.com
Re: Very Hard Hammers [Re: Duaner] #2922869 12/14/19 01:33 PM
Joined: May 2019
Posts: 14
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MSnow Offline
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Joined: May 2019
Posts: 14
For a piano such as this I'd recommend the following but to be clear this is far from the realm of concert level tone regulating.!!
* Squeeze the high shoulders of the hammer with pliers to relax the fibers....OR
* Make a very basic single needle voicing tool, drill a tiny hole in the end of an upright hammer shank or similar diameter dowel about 1/4'' deep and cut down a size 5 or 6 needle dry fit to hole and trim so 1/4'' is exposed, use 5 minute epoxy to secure needle in the shank hole. Press needle directly into the hammer crown grooves repeat as necessary to mellow down tone.....
www.snowpianos.com


Piano Technician and restorer www.snowpianos.com now relocated to Burlington Vermont after 33 years as Head Piano Technician at Boston University School of Music.
Re: Very Hard Hammers [Re: Duaner] #2922870 12/14/19 01:35 PM
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David Boyce Offline
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Duane, is it Korean? Japanese?

An important factor is, are the owners happy with it? If so, leave well alone!

Re: Very Hard Hammers [Re: Duaner] #2922975 12/14/19 08:45 PM
Joined: Feb 2017
Posts: 2,788
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P W Grey Offline
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Joined: Feb 2017
Posts: 2,788
In order to find out (as David suggests) I like to take a small wire brush and brush the strike points of all the hammers. Then ask the owner/ pianist if they like this TEMPORARY improvement. If they like it, then I will suggest that If they want me to I can make that kind of change a bit longer lasting than just a few hours of playing. (Now I have permission to use some of my voicing routines). If they say they DON'T like it, then I reassure them that what I did will go away in short order...and that's the end of it.

Believe me, you can lose clients over this issue if you make assumptions!

Pwg


Peter W. Grey, RPT
New Hampshire Seacoast
www.seacoastpianodoctor.com
pianodoctor57@gmail.com
https://www.youtube.com/watch?v=PK0T7_I_nV8

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