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#2178693 - 11/07/13 08:30 PM Yamaha U3-weird overtones?  
Joined: May 2005
Posts: 31
JBenson Offline
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JBenson  Offline
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Joined: May 2005
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]  
Joined: Sep 2006
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Supply Offline
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Supply  Offline
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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.

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

#2178813 - 11/08/13 12:38 AM Re: Yamaha U3-weird overtones? [Re: JBenson]  
Joined: Jun 2003
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BDB Offline
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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]  
Joined: Jun 2011
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TunerJeff Offline
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TunerJeff  Offline
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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
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#2178829 - 11/08/13 01:15 AM Re: Yamaha U3-weird overtones? [Re: JBenson]  
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BDB Offline
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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
#2179005 - 11/08/13 11:33 AM Re: Yamaha U3-weird overtones? [Re: JBenson]  
Joined: Mar 2010
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KurtZ Offline
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KurtZ  Offline
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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


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#2179639 - 11/09/13 03:07 PM Re: Yamaha U3-weird overtones? [Re: KurtZ]  
Joined: Jul 2013
Posts: 165
musicNow Offline
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musicNow  Offline
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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, very happy with my 1907 Ivers Pond uprights, and ready to part with my Yamha C7 - not the sound I like.

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