I've not noticed any tonal difference. The Mapes Gold is cleaner (no black residue) and might have a slightly higher breaking point. That might be reason enough to use it but I wouldn't switch hoping for any real tonal difference. David Love davidlovepianos at comcast.net www.davidlovepianos.com Subject: Re: Roslau or Mapes Intl. Gold for plain wire ??? Votes sought. What's the diff? What do you prefer? Why?
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