Welcome to the Piano World Piano Forums
Over 2 million posts about pianos, digital pianos, and all types of keyboard instruments
Join the World's Largest Community of Piano Lovers (it's free)
It's Fun to Play the Piano ... Please Pass It On!

Gifts and supplies for the musician

the Forums & Piano World

Trying Something New with Search
Piano Acc. & Gift Items in
Piano World's Online Store
In PianoSupplies.com ,(a division of Piano World) our online store for piano and music gifts and accessories, party goods, tuning equipment, piano moving equipment, benches, lamps and more.

Free Shipping on Jansen Artist Piano Benches
(ad) Pianoteq
(ad) Pearl River
Pearl River Pianos
(ad) Lindeblad Piano
Lindeblad Piano Restoration
(ad) P B Guide
Acoustic & Digital Piano Guide
Who's Online
107 registered (ando, 36251, alerique, 821, Al LaPorte, 27 invisible), 1251 Guests and 8 Spiders online.
Key: Admin, Global Mod, Mod
(ad) Estonia Piano
Estonia Pianos
Quick Links to Useful Piano & Music Resources
Our Classified Ads
Find Piano Professionals-

*Piano Dealers - Piano Stores
*Piano Tuners
*Piano Teachers
*Piano Movers
*Piano Restorations
*Piano Manufacturers

Quick Links:
*Advertise On Piano World
*Free Piano Newsletter
*Online Piano Recitals
*Piano Recitals Index
*Piano & Music Accessories
*Live Piano Venues
*Music School Listings
* Buying a Piano
*Buying A Acoustic Piano
*Buying a Digital Piano
*Pianos for Sale
*Sell Your Piano
*How Old is My Piano?
*Piano Books
*Piano Art, Pictures, & Posters
*Directory/Site Map
*Virtual Piano
*Music Word Search
*Piano Screen Saver
*Piano Videos
*Virtual Piano Chords
Topic Options
#1511460 - 09/08/10 11:46 AM Hammers have become muffled/dull
090923 Offline
500 Post Club Member

Registered: 04/10/08
Posts: 683
I went to a clients house today to do some service work which he requested for me to do on 3 of his pianos. He has 7 pianos in total. Apart from the pianos which I worked on, the client asked me to assess his Albert Fahr grand for the reason that the hammers have become muffled overnight. The piano has always had a mellow/not to bright sound/tone.

Overnight the hammers have become muffled/wooly, particularly the middle range of the piano. The hammers need a light filing because they have 1-2mm grooves in them.

The client is an extremely accomplished pianist and plays on all of his pianos regularly. The Albert Fahr grand is one of five pianos in a single room. The room has a stable environment.

Why would the hammers become muffled/wooly?

Advice would be much appreciated!

Best regards

(ad 568) PTG Journal Online
PTG Journal Online
#1511483 - 09/08/10 12:26 PM Re: Hammers have become muffled/dull [Re: 090923]
UnrightTooner Offline
5000 Post Club Member

Registered: 11/13/08
Posts: 5353
Loc: Bradford County, PA
I would say something happened with the una corda. The hammers are no longer hitting where the strings have already packed the felt, but a bit between the grooves where the softer ridges are. They still might benefit from reshaping, but I am betting that if the una corda is adjusted, or the paper clip or whatever that is hanging it up is removed, then the tone will return to normal.
Jeff Deutschle
Part-Time Tuner
Who taught the first chicken how to peck?

#1511544 - 09/08/10 02:23 PM Re: Hammers have become muffled/dull [Re: 090923]
090923 Offline
500 Post Club Member

Registered: 04/10/08
Posts: 683
Hello Jeff

Thank you! What you have said sounds like the answer. I will have to have a closer inspection. One would think that pulling the action out and then pushing it back in might have solved the problem if something was stuck inside the piano/cavity somewhere, but obviously not! I will have a closer look when I return to his house.

Best regards

#1511689 - 09/08/10 06:59 PM Re: Hammers have become muffled/dull [Re: 090923]
Sparky McBiff Offline
1000 Post Club Member

Registered: 03/09/10
Posts: 1112
Loc: Toronto, Ontario
I was about to suggest that perhaps it was a missing cat that was to blame.
But since I am not a piano technician (can you tell) I'll go with Jeff's suggestion. blush
Hailun 198

#1511786 - 09/08/10 09:12 PM Re: Hammers have become muffled/dull [Re: 090923]
Jbyron Offline
500 Post Club Member

Registered: 06/17/10
Posts: 526
Loc: USA
Someone may have had a wedge or shim of some kind keeping the action where they wanted it. It's possible that when you slid the action out and back in it removed the shim.

#1512273 - 09/09/10 02:50 PM Re: Hammers have become muffled/dull [Re: 090923]
090923 Offline
500 Post Club Member

Registered: 04/10/08
Posts: 683
Jeff I spoke with the client today and told him what you had said in your post above and the client then said he knows that the mechanism is moving towards him (forward) a certain amount when the una corda pedal is depressed. So Jeff, you were half right!?!

I will be returning to the clients house in the very near future and then will assess the matter more thoroughly and do the necessary adjusting/repair.

Thank you

Take care

#1512704 - 09/10/10 08:02 AM Re: Hammers have become muffled/dull [Re: 090923]
UnrightTooner Offline
5000 Post Club Member

Registered: 11/13/08
Posts: 5353
Loc: Bradford County, PA

Thanks for the update. Sounds like a problem with the pins going into the cheek blocks, or the cheek blocks are moving themselves. The keyframe should only move side to side as I am sure you know. It’s all part of the una corda. Let us know how it turns out.

A while ago I tuned a small grand that had a screwed down key frame. It had to be put exactly back into position to sound right. It may not be much of a piano, but is so important to the owners that they gave up their dining room table to make room for it. So when they have company, they use the grand to eat off of!
Jeff Deutschle
Part-Time Tuner
Who taught the first chicken how to peck?

#1512710 - 09/10/10 08:14 AM Re: Hammers have become muffled/dull [Re: 090923]
Les Koltvedt Offline
3000 Post Club Member

Registered: 04/13/05
Posts: 3198
Loc: Canton, MI
I recently tuned a small grand and was having trouble tuning the right unisons in the upper register. The sound was very weak and when I pulled on the right string, I got no change (which can open your eyes in a hurry). I peered at the hammers while striking the note and the hammer was only hitting 2 strings. At first I thought maybe the una corda mechanism was caught on something, so I removed action and inspected. Looks like the hammers where never spaced to the strings, they were nicely grooved as is. Had been that way for years. No going back now.
Les Koltvedt
LK Piano
Servicing the S. Eastern Michigan Area
PTG Associate


Moderator:  Piano World 
What's Hot!!
Posting Pictures on the Forums
Forums Rules & Help
on Piano World

The world's most popular piano web site.
Piano Classified Ads
(ad 125) Sweetwater $5700 Giveaway
Sweetwater Giveaway
(ad) Yamaha CP Stage Pianos
Yamaha CP Stage Pianos - Learn More
(ad) Summer Keys
Summer Keys, a Music Adventure in Lubec, Maine
(ads) PD - WNG - MH
Wessell Nickel & Gross
Ad (the Piano Store)
the Piano Store - Restored Steinway Pianos
(125ad) Dampp Chaser
Dampp Chaser Piano Life Saver
New Topics - Multiple Forums
Advice on silent piano: Schimmel SG2 or Yamaha SH?
by Amsterdampianist
Today at 06:51 AM
Assistance with reading structure
by imustlearn
Today at 03:49 AM
Audacity/Recording problems
by jotur
Yesterday at 10:43 PM
Melville Clark Baby Grand- any info??
by Shell1250
Yesterday at 08:46 PM
Keith Jarrett Solo at Carnegie Hall 2/9/14
by Dfrankjazz
Yesterday at 07:27 PM
Forum Stats
82,540 Registered Members
44 Forums
170,404 Topics
2,494,216 Posts

Most users ever online: 15,252 @ 03/21/10 11:39 PM

Visit our online store for gifts for music lovers

Help keep the forums up and running with a donation, any amount is appreciated!
Or by becoming a Subscribing member! Thank-you.
Donate   Subscribe
Our Piano Related Classified Ads
Dealers | Tuners | Lessons | Movers | Restorations | Pianos For Sale | Sell Your Piano |

Advertise on Piano World
| Subscribe | Piano World | PianoSupplies.com | Advertise on Piano World | Donate | Link to Us | Classifieds |
| |Contact | Privacy | Legal | About Us | Site Map | Free Newsletter | Press Room |

copyright 1997 - 2016 Piano World ® all rights reserved
No part of this site may be reproduced without prior written permission