Third Valve slide stop

ramado24@clarkston.k12.mi · Regular Member Joined: 19 Dec 2023 Posts: 28

Hello, I have a brand new yamaha 8335 kangakki and it has two places to put the screw that stops the third valve slide from falling out. Does anyone know why?
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kaitp · Posted: Tue Dec 19, 2023 8:07 pm Post subject:

I think I saw an explanation on the Yamaha website a while back that the position of the screw changes the blowing comfort.

trpthrld · Heavyweight Member Joined: 09 Mar 2007 Posts: 4810

Not being familiar at all with this model, I did some Internet searching. Went to the Sweetwater site for their descriptions and stuff.

I didn't see in any pictures nor was there anything in the written descriptions about two different locations for the 3rd slide stop screw. Would you please post a couple of pics of that?

However, there was something that really got my curiosity up. In the written description, it says "You'll appreciate how easy it is to fine-tune the YTR-8335IIRKG's blowing resistance, courtesy of this horn's first slide button..."

I looked as best I could on the pictures and I didn't see anything that looked like a "button." There's the thumb ring for adjusting the first slide position, but no button. And I also have no idea how adjusting a button could affect the blowing resistance of the horn.

Do they mean that the brace between the bottom bell section and the first tuning slide is movable? If so, that's a Bob Malone thing from back in his LA custom work days. And yes - I know Bob is with Yamaha now. One of my horns had the last valve alignment he did before leaving LA.

Anyway....just curious. Any legit explanations are appreciated.

www.sweetwater.com/store/detail/YTR8335IIRKG--yamaha-ytr-8335iirkg-ln-kangakki-limited-edition-xeno-trumpet
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kaitp · Posted: Tue Dec 19, 2023 10:09 pm Post subject:

It is a reverse model, but I found a Japanese site that has a description and picture of the third extraction tube.
https://wind.yamano-music.co.jp/shop/g/gG000034376H/

dschwab · Heavyweight Member Joined: 06 Sep 2004 Posts: 518

It changes the resistance. Move the screw from outside to between the tubes and the resistance will increase.

And the "button" on the first slide refers to the nib that wasn't present on the gen I zenos. Zeno II gets the nib.

trpthrld · Heavyweight Member Joined: 09 Mar 2007 Posts: 4810

dschwab · Heavyweight Member Joined: 06 Sep 2004 Posts: 518

No, the nib is the little metal “button” soldered onto the curved part of the slide to aid in pulling it out. It isn’t adjustable, I think that was a marketing person not knowing what they were talking about.

trpthrld · Heavyweight Member Joined: 09 Mar 2007 Posts: 4810

ramado24@clarkston.k12.mi · Regular Member Joined: 19 Dec 2023 Posts: 28

[/img]file:///media/fuse/drivefs-fef2102396b64cdbc3997d7461bd4e5e/root/IMG_7431.jpg

I hope that works, it's a photo of what I'm talking about. The second screw position is further down but it is also on the outside of the slide so I don't think that its sole purpose is to limit how far out the valve gets kicked. Thoughts?
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zaferis · Posted: Wed Dec 20, 2023 4:08 pm Post subject:

One is the "normal" position which stops the slide just beyond normal use i.e for "full" extension to play a C# in tune.. the second stop is far enough out that you can, in combination with the first valve slide, get enough extension to play the low F (needed for a couple of orchestral excerpts). Akin to some of the Artisan Bachs coming with an extra long stop rod.

Additionally, you may notice a difference in "feel" depending upon which place the stop screws is placed. It's subtle, but anytime you add or move even the smallest of weights, things change.
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dschwab · Heavyweight Member Joined: 06 Sep 2004 Posts: 518

dstpt · Heavyweight Member Joined: 14 Dec 2005 Posts: 1286

ramado24@clarkston.k12.mi · Regular Member Joined: 19 Dec 2023 Posts: 28

if a shift in that little weight can affect the playability of a horn that much why not just hold it different? No way it does anything to affect the horns playability.
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