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#1948445 - 08/24/12 11:24 AM Buzz on Mason and Hamlin  
Joined: Jul 2012
Posts: 56
Aaron Garner Offline
Full Member
Aaron Garner  Offline
Full Member

Joined: Jul 2012
Posts: 56
Sacramento, Ca
I just purchased a new M & M BB about a month ago and discovered a major buzz. I noticed it pretty early on, but figured my RPT would find it when I got it tuned. The buzz is on Eb3-E3-F3.

My question is about the procedure that my tech did to amplify the buzz in order to hear it better. He added mass to the sound board by clamping a small pair of vice grips to one of the ribs where he thought the sound was coming from. The result was profound, the buzz amplified 10 fold - it was quite amazing. We also found a spot on the soundboard where you could push up with your hand to pretty much eliminate the buzz.

He explained how this extra mass procedure worked, but I forgot how it works. I'm wondering if anyone has seen this done and how it works.

He also put a camera device under the harp to search for an object, but found nothing.

Ultimately the dealer will have to address the problem. Oh yeah, if got several strings in the upper two octaves with false beats.


2013 Mason and Hamlin BB
Full-time music professor (theory) and jazz pianist
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#1948570 - 08/24/12 02:32 PM Re: Buzz on Mason and Hamlin [Re: Aaron Garner]  
Joined: Jan 2004
Posts: 1,278
Entheo Offline
1000 Post Club Member
Entheo  Offline
1000 Post Club Member

Joined: Jan 2004
Posts: 1,278
chicago, il
i had a buzz on my new M&H A; after much troubleshooting it was found to be from the felt pad in front of the aliquot of a particular note. a little leather pad under the 3 strings pressed the buzz out of the felt. not particularly elegant, but it worked.

good luck; gremlins are hard to catch.

#1948643 - 08/24/12 04:48 PM Re: Buzz on Mason and Hamlin [Re: Aaron Garner]  
Joined: May 2001
Posts: 10,881
Steve Cohen Offline
Yikes! 10000 Post Club Member
Steve Cohen  Offline
Yikes! 10000 Post Club Member

Joined: May 2001
Posts: 10,881
Maryland/DC/No. VA
The buzz on Mason & Hamlin is that they make a great piano.

[Sorry, I couldn't resist!]


Piano Industry Consultant- http://www.linkedin.com/pub/steve-cohen/6/b92/b80

Consultant & Contributing Editor - Acoustic & Digital Piano Buyer

Jasons Music
Maryland/DC/No. VA
Since 1937.

www.jasonsmusic.com
My postings, unless stated otherwise, are my personal opinions, not those of my clients.
#1948645 - 08/24/12 04:50 PM Re: Buzz on Mason and Hamlin [Re: Aaron Garner]  
Joined: Oct 2008
Posts: 4,788
Jeff Clef Offline
4000 Post Club Member
Jeff Clef  Offline
4000 Post Club Member

Joined: Oct 2008
Posts: 4,788
San Jose, CA
Other than that, how do you like it? New pianos almost always have something or other that has to be adjusted.


Clef

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#1948743 - 08/24/12 08:53 PM Re: Buzz on Mason and Hamlin [Re: Aaron Garner]  
Joined: Jul 2012
Posts: 321
rlinkt Offline
Full Member
rlinkt  Offline
Full Member

Joined: Jul 2012
Posts: 321
CA
Aaron,

We had met at Kassman. I would be curious to know what the cause turns our to be. Our piano also gets an occasional buzz somewhere in that region, but it has only happened on a couple of days so far.

Last edited by rlinkt; 08/24/12 08:57 PM.
#1948744 - 08/24/12 08:54 PM Re: Buzz on Mason and Hamlin [Re: Aaron Garner]  
Joined: Jul 2012
Posts: 321
rlinkt Offline
Full Member
rlinkt  Offline
Full Member

Joined: Jul 2012
Posts: 321
CA
oops -- double post

Last edited by rlinkt; 08/24/12 08:54 PM.
#1948864 - 08/25/12 07:37 AM Re: Buzz on Mason and Hamlin [Re: Aaron Garner]  
Joined: Aug 2011
Posts: 372
Jonathan Alford Offline
Full Member
Jonathan Alford  Offline
Full Member

Joined: Aug 2011
Posts: 372
Colorado
I remember when I was shopping (at R.Kassman) that I heard a buzz on one or two notes (high notes.). Neither Russell nor a friend with me heard it, but on of Russell's co-workers did. It ended up being something else in the room. Someone there called it a "sympathetic ....". (Sorry- I cannot remember the rest.). Maybe that is what you have happening also.

Jonathan

#1948890 - 08/25/12 09:07 AM Re: Buzz on Mason and Hamlin [Re: Aaron Garner]  
Joined: Aug 2012
Posts: 235
jawhitti Offline
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jawhitti  Offline
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Joined: Aug 2012
Posts: 235
I think you're looking for "sympathetic resonance". It can be wonderful when other strings in the piano itself resonate in this way but less so when picture frames or spoons in the kitchen do it.

#1949079 - 08/25/12 04:39 PM Re: Buzz on Mason and Hamlin [Re: Aaron Garner]  
Joined: Nov 2007
Posts: 6,828
Jerry Groot RPT Offline
6000 Post Club Member
Jerry Groot RPT  Offline
6000 Post Club Member

Joined: Nov 2007
Posts: 6,828
Grand Rapids Michigan
If you drink a whole bunch of alcohol, then you won't know if it is the piano or you that is buzzed. Sorry I couldn't help it either.

Buzzes are one of the hardest things to locate. Sometimes we will take a second technician along with us. One to hear and one to look. and that is the latest buzzzzzz...


Jerry Groot RPT
Piano Technicians Guild
Grand Rapids, Michigan
www.grootpiano.com

We love to play BF2.

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