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Posted: **Sun Jun 13, 2004 11:16 pm**

I am in the process of buying a YEP-321 and am interested in purchasing the rotary valve 4th slide conversion that Yamaha used to make for it. If anyone has one for sale or knows of one please contact me via email at Cheers623@aol.com
Thanks in advance.....all the best.

Posted: **Mon Jun 14, 2004 12:51 am**

Uh, Joe--the YEP-321 is the 4 banger euph--the YEB-321 is the eefer. At one time, Tony Clements was selling one of the euphonium gizmos, but I don't know if he still has it.

Posted: **Mon Jun 14, 2004 9:59 am**

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YEP-321 4th Valve Rotor

YEP-321 4th Valve Rotor