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those old Holton 20" bell Monster-like E-flat tubas valveset BORE SIZE ?
Posted: Sun Aug 30, 2020 3:46 pm
by bloke
Does anyone have this spec ?
Re: those old Holton 20" bell Monster-like E-flat tubas valveset BORE SIZE ?
Posted: Sun Aug 30, 2020 3:51 pm
by the elephant
.650"
Re: those old Holton 20" bell Monster-like E-flat tubas valveset BORE SIZE ?
Posted: Sun Aug 30, 2020 6:45 pm
by bloke
thnx !
Re: those old Holton 20" bell Monster-like E-flat tubas valveset BORE SIZE ?
Posted: Sun Aug 30, 2020 6:58 pm
by the elephant
I ought to say that the one I have here is .650" but they might wiggle up to .656" like Olds. I think they were a little inconsistent over the years. I have heard of them mic-ing out at .660" too, but I have never actually *seen* that, personally.