Restoration

Replacing Plastic Keys With Ivory on a Yamaha U1

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Amedeus

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Opening post by Amedeus

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23
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Bianco

good morning everyone, I own a yamaha U1 piano that for a long time has given me much satisfaction both in terms of timbre and mechanics (touch). It is not a refurbished one but original, if I am not mistaken from the 80s. It has a very warm and non-metallic timbre and very full basses. For some time now I have owned a keyboard with ivory coverings in excellent condition from an old unrecoverable piano, and I would like to adapt the key covers to the yamaha (??)

I would like to ask you if it is possible to perform this intervention or if it causes problems for the keyboard?

Thank you in advance

Antonio

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Reply 2 by pianoexpert

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3,876
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rocca di papa

It is possible. One must see the condition of the ivory. One must see the thickness of the ivory. It is a big job.. .....Then one must realign the keyboard again

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Reply 3 by Amedeus

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23
City
Bianco

Thank you for the answer ... The work is in excellent condition !!! How much could a job like this cost me?

Kind regards

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Reply 6 by pianoexpert

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3,876
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rocca di papa

I would say so. Furthermore, I suspect that the dimensions of the plates are not correct for the dimensions of a modern key. The keys all seem equal.....but they are not. Check!!! It is a job that must have visual precision!!!! Even a tenth of a mm counts. You must never touch the dimensions of the keys, otherwise you will end up with bad and poor "spacing"... You will put yourself in a difficult situation. It is different when the keyboard is unusable. Then one looks for a keyboard of the exact dimensions or covers the key and then shapes it with precise milling machines.

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Reply 7 by Felicia

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41

Amedeus wrote:

Understood ... so you are advising me that it is better to leave his original coverings?

Hi Amadeus, Pianoexpert is right; after all, why bother changing the coverings? Leave the original ones. Are you sure the technician would do a good job, or would they do an "approximate" one that you would regret over time? Unfortunately, we live in a time where the desire or ability to work well almost no longer exists. Don't waste money and continue to enjoy your piano which, from what you write, already satisfies you. ๐Ÿ™‚

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Reply 8 by Amedeus

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23
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Bianco

Thanks to everyone for the precious advice ... I am leaving the original keyboard, so I avoid ruining everything !!!

Kind regards

Amadeus

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