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#2178693 - 11/07/13 08:30 PM Yamaha U3-weird overtones?
JBenson Offline
Full Member

Registered: 05/10/05
Posts: 31
I have a Yamaha U3 (I think it's from the early-mid 80s), and it has what seems to be weird annoying overtones. A lack of clarity.

I'm wondering what could be causing that, and if it's fixable, or if that's just the nature of this piano.

I have seen the word "inharmonicity", and I sort of have a general idea what that is :), and I'm wondering if that could be the cause of this lack of clarity, or if it's more likely something mechanical, resonances in the cabinet or something.

Thanks for any info.

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#2178799 - 11/07/13 11:50 PM Re: Yamaha U3-weird overtones? [Re: JBenson]
Supply Offline
3000 Post Club Member

Registered: 09/11/06
Posts: 3919
Loc: Vancouver Island, BC, Canada
For some strange reason, we can't seem to hear the "weird overtones" from where we are. laugh
Seriously, you need to talk to a technician who can listen to the piano and do something about it. It could be fixable, as it could be a lot of different things. Inharmonicity is not on the list of suspects.
_________________________
Jurgen Goering
Piano Forte Supply
www.pianofortesupply.com

Piattino Caster Cups distributor

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#2178812 - 11/08/13 12:31 AM Re: Yamaha U3-weird overtones? [Re: Supply]
JBenson Offline
Full Member

Registered: 05/10/05
Posts: 31
Originally Posted By: Supply
For some strange reason, we can't seem to hear the "weird overtones" from where we are. laugh
Seriously, you need to talk to a technician who can listen to the piano and do something about it. It could be fixable, as it could be a lot of different things. Inharmonicity is not on the list of suspects.


You can't hear it? I can hear it plain as day!

I just wanted to get a bead on what it could be. For example, I've been hunting around on the net, and found a thread discussing room acoustics and wooden floors. Someone was saying a wood floor can bring out the worst in a piano. This piano is on a wooden floor!

Could that be one of the suspects? What are the other suspects?

Thanks.

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#2178813 - 11/08/13 12:38 AM Re: Yamaha U3-weird overtones? [Re: JBenson]
BDB Offline
Yikes! 10000 Post Club Member

Registered: 06/07/03
Posts: 21928
Loc: Oakland
The most common suspect is tuning. After that is voicing.
_________________________
Semipro Tech

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#2178818 - 11/08/13 12:56 AM Re: Yamaha U3-weird overtones? [Re: JBenson]
TunerJeff Offline
Full Member

Registered: 06/22/11
Posts: 498
Loc: Oregon Coast
Geez, guys! We haven't even discussed the age related issues of dead bass strings, flat soundboards, and bizarre hammer shaping done in cheap 'refurbishments' seen in the occasional grey market pianos.

Heck! There's a host of things we can't possibly discern from our chairs while staring at a computer screen! Why limit the possibilities to tuning and voicing? Get with it, people!

Seriously? Get a tech. Talk to him/her. Jurgen is quite correct...typical.

Nodding,
Off,
I am,
_________________________
Jeffrey T. Hickey, RPT
Oregon Coast Piano Services
TunerJeff440@aol.com

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#2178829 - 11/08/13 01:15 AM Re: Yamaha U3-weird overtones? [Re: JBenson]
BDB Offline
Yikes! 10000 Post Club Member

Registered: 06/07/03
Posts: 21928
Loc: Oakland
People are more likely to call a tech when they are assured that the problem that they are experiencing can usually be solved by nothing more than ordinary maintenance.
_________________________
Semipro Tech

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#2179005 - 11/08/13 11:33 AM Re: Yamaha U3-weird overtones? [Re: JBenson]
KurtZ Offline
500 Post Club Member

Registered: 03/13/10
Posts: 999
Loc: The Heart of Screenland
Have the piano checked. That's first. Most concert pianos are placed on wooden floors so it can't be THAT bad, right? I have heard rooms that do create a sort of ring modulation effect but they're so echoey they'd be kind of hard to live in. You could check the floor by spreading every pillow in the house (even chair cushions) on the floor near the piano. You might even go so far as to rent some heavy moving blankets for twenty or so dollars and leave them in scrunchy bunches on the floor to see what effect that has. Why not flat? because in folds they'll "eat" more of the middle frequencies and not just the treble.

Kurt
_________________________
I just wanted to be just "a" guy. That's enough of a life.

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#2179639 - 11/09/13 03:07 PM Re: Yamaha U3-weird overtones? [Re: KurtZ]
musicNow Offline
Full Member

Registered: 07/22/13
Posts: 139
Loc: San Francisco, Bay Area
Quote:
Most concert pianos are placed on wooden floors so it can't be THAT bad, right?


I believe the U3 is an upright. Is it against a window? Windows can do strange things to the harmonics.

- Rick
_________________________
Learning to play the piano and tweaking my 1907 Ivers Pond upright.

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