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Topic Options
#648577 - 03/27/05 10:30 AM Yamaha GA1-E tuning problem
Josef Offline
Full Member

Registered: 05/28/01
Posts: 190
I have had numerous problems with trying to keep the Yamaha GA1-E in tune in the Tenor-bass break.I have tried every thing to sharpening by 40 cents and letting it fall by itself to quick tuning three times then fine tuning the last. I am one step away from just dopping the wrestplank. Any suggestions?

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#648578 - 03/27/05 10:41 AM Re: Yamaha GA1-E tuning problem
Brian Lawson, RPT Offline
500 Post Club Member

Registered: 07/04/01
Posts: 647
Loc: South Africa
Is it a very new piano?
Is it just the steel strings?
Are the strings seated on the bridge?
Are the strings seated on the hitch pins?
_________________________
Brian Lawson, RPT
Johannesburg
South Africa

http://www.lawsonic.co.za

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#648579 - 03/27/05 12:06 PM Re: Yamaha GA1-E tuning problem
Bob Offline
4000 Post Club Member

Registered: 06/01/01
Posts: 4089
If the humidity changing? That's the area that usually reacts first to humidity changes.
_________________________
www.PianoTunerOrlando.com






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#648580 - 03/27/05 12:25 PM Re: Yamaha GA1-E tuning problem
Josef Offline
Full Member

Registered: 05/28/01
Posts: 190
The Yamaha GA1-E is a 4'11" grand that came out around 2002. It sounds nice and plays well for a piano of its size. But the tenor always would fall out of tune. This is not just on one piano but many of them I service or have serviced. This model was discontinued and replaced with the GB1 which are much better about staying in tune. I have done everything in the book- seating strings, tapping the pins, going over and over with tuning,,,nothing seems to help. I doubt that climate is a major factor since the tenor is usually out before I finish the piano. Has anyone had real experience with this model?

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#648581 - 03/27/05 02:16 PM Re: Yamaha GA1-E tuning problem
Sam Casey Offline
1000 Post Club Member

Registered: 02/05/05
Posts: 1135
Loc: SW Missouri
Is Yamaha's first Chinese piano or was the GP? Those were pretty lousy. I was surprised Yamaha did it in the first place and glad when they stopped.

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#648582 - 03/27/05 04:10 PM Re: Yamaha GA1-E tuning problem
G. Murdaugh Offline
Full Member

Registered: 12/12/04
Posts: 235
Loc: Springfield, MO
Yamaha makes no pianos in China that are shipped to the US. The piano in question was manufactured in Indonesia.


Sam,

Red wine by Peachy Canyon. Yum Yum
_________________________
G. Murdaugh
Piano Craft Inc.


Authorized dealers for new Yamaha, Kawai, Walters, Young Chang, Kohler, Roland, Allen, Lowrey and....

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#648583 - 03/27/05 04:20 PM Re: Yamaha GA1-E tuning problem
TomtheTuner Offline
500 Post Club Member

Registered: 07/29/01
Posts: 806
Loc: Melbourne, Florida USA
Please make sure that all your plate and pinblock screws and bolts are tight. Thjat means getting that really big phillips screwdriver thing from the tool company. then tune that section first and then again and then again and then at the last . and you might stand a chanch
_________________________
Maker of the TCHAMMER
www.thomasccobble.com

BUSY IS BETTER THAN BORED

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#648584 - 03/27/05 10:51 PM Re: Yamaha GA1-E tuning problem
Thomson Lawrie Offline
Full Member

Registered: 12/12/04
Posts: 283
Loc: Grimsby ON Canada
Pull the action and have a look at the pinblock where it meets the flange. If there is a gap there it is never going to stay in tune properly. If you find a gap, you can drive some narrow maple wedges in with some epoxy with the tension off the strings.
_________________________
Piano Technician
www.pianotech.ca
Piano tuners make the world a better place, one string at a time.

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#648585 - 03/28/05 05:04 AM Re: Yamaha GA1-E tuning problem
Larry Buck Offline
2000 Post Club Member

Registered: 10/27/04
Posts: 2445
Loc: Lowell MA
My 2 cents,

Because of the piano's short length and Yamaha's desision to have the first wires on the tenor section be plain wires, the resulting tension is very low and the inharmonicity is very high. It is a no win from the beginning.

Their upgraded version features wound bi chords in the low tenor.

It is possible to rescale that section, install wound bi chords, and it will ve very improved.

Over the years, I have done at least 10 of them. All satisified customers.

The pin block is fine in those pianos.

Because the original design has very poor intonnation in that section, the very slightest movement in tuning results in a very aggregious sound.

Tremaine Parsons in CA has a very good scaling program called PScale. A small learning curve in the beginning and the results are worth the effort.
_________________________
"It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt."
Mark Twain

E. J. Buck & Sons
Lowell MA 01852
978 458 8688
www.ejbuckpiano.com
http://www.facebook.com/EJBuckPerformances

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#648586 - 03/28/05 07:40 AM Re: Yamaha GA1-E tuning problem
Sam Casey Offline
1000 Post Club Member

Registered: 02/05/05
Posts: 1135
Loc: SW Missouri
The installation of the bichords stabilizes the tuning? I can see where it would improve the tone at the break. I've not had problem with maintaining tune but they sure do not measure up to Yamaha's traditional quality otherwise. I'll have to try it if I find one with an owner discerning enough to care.

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#648587 - 03/28/05 03:20 PM Re: Yamaha GA1-E tuning problem
Larry Buck Offline
2000 Post Club Member

Registered: 10/27/04
Posts: 2445
Loc: Lowell MA
Yes Sam, Intonnation plays a very large role in our sense of tuning stability. The very low tension in this area sounds crummy as well.

14 years or so ago Yamaha asked me to "rescale" this same scale for someone North of Boston on the coast. This was back when Lloyd Whitcomb was there. All parties involved were pleased with the results.

I would recommend trying it to anyone who is comfortable with the idea. Truthfully, there is something there.

Yes, It also improves tone, or rather changes it. For many of us, it is an improvment. I can think of one person who actually likes the piano as it is.
_________________________
"It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt."
Mark Twain

E. J. Buck & Sons
Lowell MA 01852
978 458 8688
www.ejbuckpiano.com
http://www.facebook.com/EJBuckPerformances

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#648588 - 03/28/05 03:31 PM Re: Yamaha GA1-E tuning problem
Sam Casey Offline
1000 Post Club Member

Registered: 02/05/05
Posts: 1135
Loc: SW Missouri
Larry, please don't misinterpret. I'm am certain the effect by the rescaling is a great improvement. Those pianos I've seen sold were to people who wanted Yamaha and didn't want to spend the money for one, usually beginners and customers more interested in labels than sound. That's what I meant about discerning. It's a good thing Yamaha saw the light and stopped selling them.

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#648589 - 03/28/05 03:40 PM Re: Yamaha GA1-E tuning problem
Larry Buck Offline
2000 Post Club Member

Registered: 10/27/04
Posts: 2445
Loc: Lowell MA
Thanks Sam, Just trying to keep up .. :-)
_________________________
"It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt."
Mark Twain

E. J. Buck & Sons
Lowell MA 01852
978 458 8688
www.ejbuckpiano.com
http://www.facebook.com/EJBuckPerformances

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