2017 was our 20th year online!

Welcome to the Piano World Piano Forums
Over 2.9 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!

Shop our online store for music lovers
SEARCH
Piano Forums & Piano World
(ad)
Petrof Pianos
Petrof Pianos
(ad)
Pianoteq
PianoTeq Karsten Collection
(ad)
Piano Life Saver - Dampp Chaser
Dampp Chaser Piano Life Saver
Who's Online Now
37 members (barbaram, Animisha, CyberGene, Boboulus, AZNpiano, David B, clothearednincompo, Brahms4, 5 invisible), 320 guests, and 397 robots.
Key: Admin, Global Mod, Mod
(ad)
Estonia Pianos
Estonia Pianos
Previous Thread
Next Thread
Print Thread
Hop To
Ringing sound G3
#2892868 09/21/19 10:56 PM
Joined: Feb 2019
Posts: 26
I
Idotdot Offline OP
Full Member
OP Offline
Full Member
I
Joined: Feb 2019
Posts: 26
The G3 note on my kawai GM-12 has a ringing overtone.

I have had a technician who tried to voice it buy needling the hammer but that didn’t help. My challenge was he couldn’t hear it as well as I did. But I can hear it and it’s hard to ignore.

Linking some videos which will give you an idea. I hope you can hear it smile

https://photos.app.goo.gl/y5CZSH81Wa7fhHZz5
https://photos.app.goo.gl/KcZs68caD77A6ejU6
https://photos.app.goo.gl/aauj25AQKpEsKWKdA

Any advice on how to fix this ?

(ad int) Petrof Pianos
Petrof Pianos
Re: Ringing sound G3
Idotdot #2892871 09/21/19 11:05 PM
Joined: Feb 2017
Posts: 3,093
P
3000 Post Club Member
Offline
3000 Post Club Member
P
Joined: Feb 2017
Posts: 3,093
Sounds like the hammer needs to be mated tobthe strings.

Pwg


Peter W. Grey, RPT
New Hampshire Seacoast
www.seacoastpianodoctor.com
pianodoctor57@gmail.com
https://www.youtube.com/watch?v=PK0T7_I_nV8
Re: Ringing sound G3
Idotdot #2893112 09/22/19 02:18 PM
Joined: Mar 2010
Posts: 1,825
K
1000 Post Club Member
Offline
1000 Post Club Member
K
Joined: Mar 2010
Posts: 1,825
I had something similar with my upright. Two techs (one was the store tech) either didn't hear it or failed to make it go away. The third tech heard and solved it. IMC, it was hammer mating as Peter Grey suggested below.

Kurt


**********************************************************************************************************
Co-owner (by marriage) and part time customer service rep at an electronic musical equipment repair shop.
Re: Ringing sound G3
Idotdot #2893131 09/22/19 03:14 PM
Joined: May 2008
Posts: 3,049
3000 Post Club Member
Offline
3000 Post Club Member
Joined: May 2008
Posts: 3,049
I've been getting a faint ring on the B above middle C. It persists after the damper lowers.

Could this be "damper bleed" or could it be hammer mating?

It's always worst when my tech is not around. 😁 He tightened a bunch of screws on the music desk after suspected a sympathetic ring there or from some object in the room (like a picture frame).


WhoDwaldi
Howard (by Kawai) 5' 10"
Re: Ringing sound G3
Idotdot #2893170 09/22/19 05:29 PM
Joined: Feb 2017
Posts: 3,093
P
3000 Post Club Member
Offline
3000 Post Club Member
P
Joined: Feb 2017
Posts: 3,093
If the strings are not level and the damper is not fully contacting evenly, you can get a bleed through. If it is a trichord damper that comes down between the strings it must be determined which string(s) are not adequately damped. Essentially same with a flat damper. Corrective measures start with correct diagnosis. Also depends on how long it has been this way. Felt can get set in its ways. Sometimes tilting the damper head works, either front to back or side to side. Depends. Diagnose first...then fix.

If string level gets changed then hammer mating will need to be changed to match.

Pwg

Last edited by P W Grey; 09/22/19 05:30 PM.

Peter W. Grey, RPT
New Hampshire Seacoast
www.seacoastpianodoctor.com
pianodoctor57@gmail.com
https://www.youtube.com/watch?v=PK0T7_I_nV8
Re: Ringing sound G3
P W Grey #2893192 09/22/19 06:46 PM
Joined: May 2008
Posts: 3,049
3000 Post Club Member
Offline
3000 Post Club Member
Joined: May 2008
Posts: 3,049
Originally Posted by P W Grey
If the strings are not level and the damper is not fully contacting evenly, you can get a bleed through. If it is a trichord damper that comes down between the strings it must be determined which string(s) are not adequately damped. Essentially same with a flat damper. Corrective measures start with correct diagnosis. Also depends on how long it has been this way. Felt can get set in its ways. Sometimes tilting the damper head works, either front to back or side to side. Depends. Diagnose first...then fix.

If string level gets changed then hammer mating will need to be changed to match.

Pwg


It's only just started, flat damper. Thanks, I'll work with my tech on it.

Does any of this possibly have to do with the infamous "plate ring" that used to be discussed here? My piano is essentially a KG2-C Kawai from 1977.


WhoDwaldi
Howard (by Kawai) 5' 10"
Re: Ringing sound G3
Idotdot #2893206 09/22/19 07:18 PM
Joined: May 2006
Posts: 5,904
5000 Post Club Member
Offline
5000 Post Club Member
Joined: May 2006
Posts: 5,904
I suspect I’ve only heard that phenomenon on 2 pianos in my life (neither were Kawai). Probably better to have the tech sort through much more likely causes first.


Pianist, teacher, apprentice technician, internet addict.
Piano Review Editor - Acoustic and Digital Piano Buyer
Re: Ringing sound G3
P W Grey #2893242 09/22/19 11:11 PM
Joined: Feb 2019
Posts: 26
I
Idotdot Offline OP
Full Member
OP Offline
Full Member
I
Joined: Feb 2019
Posts: 26
Originally Posted by P W Grey
If the strings are not level and the damper is not fully contacting evenly, you can get a bleed through. If it is a trichord damper that comes down between the strings it must be determined which string(s) are not adequately damped. Essentially same with a flat damper. Corrective measures start with correct diagnosis. Also depends on how long it has been this way. Felt can get set in its ways. Sometimes tilting the damper head works, either front to back or side to side. Depends. Diagnose first...then fix.

If string level gets changed then hammer mating will need to be changed to match.

Pwg


Thanks so much. I also have some base notes that sound dull. Could it be because of the same reason?

Re: Ringing sound G3
Idotdot #2893316 09/23/19 08:03 AM
Joined: Feb 2017
Posts: 3,093
P
3000 Post Club Member
Offline
3000 Post Club Member
P
Joined: Feb 2017
Posts: 3,093
Probably not related to dampers. However, bichord unisons in which the hammer is striking one string before the other (due to errant mating) can sound "duller" than notes that are well mated. They often will also produce a somewhat "twangy" (hard to describe high partial stuff) sound. Any hammer "voicing" will be fruitless if this condition exists.

If hammers have wear on them (increasing the strike point surface area) this complicates matters. Uneven wear will also produce uneven tone/volume/voicing. Hammers should be regularly reshaped and mated to strings. Only a small % of people do this because it takes time and expertise and therefore costs money.

Nonetheless, one must ideally be AT the piano to accurately diagnose and improve this kind of stuff.

Pwg


Peter W. Grey, RPT
New Hampshire Seacoast
www.seacoastpianodoctor.com
pianodoctor57@gmail.com
https://www.youtube.com/watch?v=PK0T7_I_nV8
Re: Ringing sound G3
P W Grey #2893350 09/23/19 10:10 AM
Joined: Feb 2019
Posts: 26
I
Idotdot Offline OP
Full Member
OP Offline
Full Member
I
Joined: Feb 2019
Posts: 26
Originally Posted by P W Grey
Probably not related to dampers. However, bichord unisons in which the hammer is striking one string before the other (due to errant mating) can sound "duller" than notes that are well mated. They often will also produce a somewhat "twangy" (hard to describe high partial stuff) sound. Any hammer "voicing" will be fruitless if this condition exists.

If hammers have wear on them (increasing the strike point surface area) this complicates matters. Uneven wear will also produce uneven tone/volume/voicing. Hammers should be regularly reshaped and mated to strings. Only a small % of people do this because it takes time and expertise and therefore costs money.

Nonetheless, one must ideally be AT the piano to accurately diagnose and improve this kind of stuff.

Pwg


Appreciate the detailed response. Thanks a ton.

Re: Ringing sound G3
Idotdot #2893442 09/23/19 02:33 PM
Joined: Feb 2017
Posts: 3,093
P
3000 Post Club Member
Offline
3000 Post Club Member
P
Joined: Feb 2017
Posts: 3,093
👍

Pwg


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

Moderated by  Ken Knapp, Piano World 

Link Copied to Clipboard
What's Hot!!
News from the Piano World
Where Did The Buttons Go?!
----------------------
Our April 2020 Newsletter Available Online Now...
The Piano World During the Pandemic!
----------------------
Posting Pictures on the Forums
-------------------
Forums RULES & HELP
-------------------
ADVERTISE on Piano World
(ad)
Best of Piano Buyer
 Best of Piano Buyer
(ad)
Faust Harrison Pianos
Faust Harrison 100+ Steinway pianos
Download Sheet Music
Virtual Sheet Music - Classical Sheet Music Downloads
New Topics - Multiple Forums
Etude played by computer
by GHN - 08/05/20 01:54 AM
Questions on selling my Baldwin L 6'3" Grand Piano
by ivorytux - 08/04/20 11:18 PM
1980s Baldwin Factory Question
by bensbaldwin - 08/04/20 10:21 PM
Forum Statistics
Forums41
Topics200,722
Posts2,988,293
Members98,024
Most Online15,252
Mar 21st, 2010
Please Support Our Advertisers


Faust Harrison 100+ Steinways

Dampp Chaser Piano Life Saver

 Best of Piano Buyer

PianoTeq Bechstein
Visit our online store for gifts for music lovers

Virtual Sheet Music - Classical Sheet Music Downloads



 
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 |
| |Contact | Privacy | Legal | About Us | Site Map | Free Newsletter |


copyright 1997 - 2020 Piano World ® all rights reserved
No part of this site may be reproduced without prior written permission
Powered by UBB.threads™ PHP Forum Software 7.7.4