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Yamaha YSL-691 question

Posted: Fri Feb 16, 2024 7:49 am
by Slideman67
Hello Everyone,
I have a Yamaha YSL-691 from around 1990 that has JJ stamped on the slide hand brace. Anyone know if they all had this or could I have a horn that JJ rejected because the slide wasn't very good? I know he switched to this model around that time. I bought the horn from the Woodwind & Brasswind. Any ideas? TIA