Yamaha .525/.547 dual bore?

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pompatus
Posts: 434
Joined: Mar 23, 2018

by pompatus »

Has Yamaha ever produced a dual bore .525/.547 tenor in any series?

I’ve tried to search, but I can only find their more recent models and catalogs listed online.
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tbonesullivan
Posts: 1959
Joined: Jul 02, 2019

by tbonesullivan »

I don't recall ever seeing or hearing about one that was released worldwide. Within the Japanese Yamaha Custom line, I think pretty much anything is possible. They have made a lot of horns that never made it out of Japan.
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greenbean
Posts: 1958
Joined: Mar 23, 2018

by greenbean »

No.
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Matt_K
Posts: 4809
Joined: Mar 21, 2018

by Matt_K »

I'm not aware of anything stock but I do have one and I totally love it. It has a 646 upper inner/outer and a YSL8820 lower inner/outer. I had the slide tenon swapped for a Shires one (the 8820 corkbarrel I used is two piece so it was reasonably easy to braze according to my tech). I also had a bi-thread adapter soldered to the upper. Originally was using a 645 leadpipe but switched to a Conn 52H pipe I had a threaded adapter soldered to.
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novalvz
Posts: 94
Joined: Apr 23, 2018

by novalvz »

Kanstul produced "Custom" Series models spec'ed at .530/.547 dual bore.

8 1/2 inch bell, small shank receiver

Available in both f-att and straight

Nice horns! :good:
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asmith
Posts: 77
Joined: Dec 04, 2021

by asmith »

They've only made a .500"-.525"

Yamaha Collector is a great repository for information on their previous models. (link below)

https://www.yamahacollector.com/trombone
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pompatus
Posts: 434
Joined: Mar 23, 2018

by pompatus »

[quote="asmith"]Yamaha Collector is a great repository for information on their previous models. (link below)

https://www.yamahacollector.com/trombone[/quote]

Neat resource! Thanks!