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Yamaha b series (JU) #2787415 12/03/18 03:52 PM
Joined: Jan 2016
Posts: 14
DPCK Offline OP
Junior Member
OP Offline
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Joined: Jan 2016
Posts: 14
I was browsing trying to find out the material of Yamaha b series soundboard with no luck. This series is sold in other markets as JU. Example B1 is JU109.

On their website it is not stated. Yet for U1 and U3 it is spruce and that's mentioned on their US website under the specs. For other pianos there is no mention.

Some people online say it is plywood.

Comparing these pianos to Kawai pianos, all of them have solid spruce stamp on the sound boards. While nothing on Yamaha JU109 and B1. Is it really plywood or Any other wood but spruce?

Re: Yamaha b series (JU) [Re: DPCK] #2790330 12/12/18 12:10 AM
Joined: May 2006
Posts: 5,171
terminaldegree Offline
5000 Post Club Member
5000 Post Club Member
Joined: May 2006
Posts: 5,171
Current information about the b series Yamaha can be found here:

If you like the tone of the piano, I would not view the use of a laminated soundboard as a serious issue. Piano designer Del Fandrich published an article in a prior issue of the Piano Buyer talking about this.

Pianist, teacher, apprentice technician, internet addict.
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Re: Yamaha b series (JU) [Re: DPCK] #2790448 12/12/18 11:25 AM
Joined: Feb 2018
Posts: 322
gwing Offline
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What matters is the tone of the piano not whether the soundboard is laminated or solid. To be fair the soundboard is one of the factors that goes into that tone but it is the end result overall that matters.

If the tone is equally good however, you are probably better off with a laminated soundboard as it will be more stable.

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