Bumper Size Olsen/Instrument Innovations Tenor Rotary Valve

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Arendsdale
Posts: 85
Joined: Wed Sep 01, 2021 7:45 pm

Bumper Size Olsen/Instrument Innovations Tenor Rotary Valve

Post by Arendsdale »

Hi all, does anyone know the size of the bumpers for an Olsen/Instrument Innovations tenor rotary valve? Thanks!
hornbuilder
Posts: 1015
Joined: Wed May 02, 2018 9:20 pm

Re: Bumper Size Olsen/Instrument Innovations Tenor Rotary Valve

Post by hornbuilder »

I expect theyre a standard size, probably something like 3/16".
Matthew Walker
Owner/Craftsman, M&W Custom Trombones, LLC, Jackson, Wisconsin.
Former Bass Trombonist, Opera Australia, 1991-2006
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