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#2738928 05/23/18 01:15 PM
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[Linked Image]

This is a Kawai 500 that I have tuned for about the past 40 years, through two owners, and there was at least one owner before them. The strings were soldered before I started tuning it. I do not know whether that was original to the piano, or done afterwards. The piano obviously has seen some hard use, and the bass strings have held up well.

Has anyone seen strings soldered like this elsewhere?


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if properly soldered the joint is as strong as the wire itself if not more, however trying that on a piano?? wow.


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Your picture is not very clear. Are you talking about the double wound strings? And if so, according to the picture one is not soldered? Never seen anything like that in my 30 years tuning.

Last edited by accordeur; 05/23/18 09:06 PM. Reason: spelling I guess

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Yes, to both questions.


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Although my ears are not pointed (think Spock on Star Trek:-) my logic tells me the double wound bass strings were soldered near the ends of the windings to help solve/prevent a buzz. I have heard of wound bass strings coming unwound a bit and buzzing.

I honestly can't think of another reason someone would do that, but who knows. Some folks don't go by logic and common sense, pointed ears or not. smile

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It does seem like a good idea actually, must be a reason it never caught on, or the original owner/tech experimented.... and succeeded? If it ain't broken, don't fix it! Then again that one string not soldered makes me think Kawai did not do this.... What do I know,,,,


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This is a great idea, actually.. the number of good ideas discarded in the piano industry are too many to count. Worth trying on older bass strings. Solder one end, twist, test.. then solder the other. Should not reduce high frequencies if the joint is small enough..


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The end near the tuning pins is the end which is going to be loosest, because the winding starts at the other end, so it is tightened as the string is wound. In any case, the solder is only at the one end on this piano.

I have wondered about it for about 40 years.


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Early in my career at the school, I had a left-over set of bass strings from somewhere that I used to replace on the practice room Wurlizer and Baldwin uprights and even a broken down Lyon and Healy grand.

I used them like universals - cut the winding where it should be and then soldered the end 1/4 inch to the core wire and put them on. Worked fine when I had time, but no budget. Never had one buzz.

Didn't look like the picture above, only the very ends of the windings had solder wicked in.
Ron Koval


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