Adding a 5th valve to a King 2280

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Bob Kolada
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Re: Need an odd size rotary valve

Post by Bob Kolada »

Where is the .625 measurement?
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bigtubby
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Re: Need an odd size rotary valve

Post by bigtubby »

I have an ancient 3 valve F tuba that my records state is 16.5mm (.640). It is sort of a toss-up between restorable and scrap, you might be able to scab tubing and crooks from it as well.

If you might be interested in using that I will double check my measurements.
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tubapix
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Re: Need an odd size rotary valve

Post by tubapix »

Something like this?

http://www.hornguys.com/products/stauff ... ium-silver" target="_blank" target="_blank
1989 Yamaha YBB 641 (4R)
1938 King 1236 Symphony Eb (4P) w/Monster Bell
1927 Buescher Eb Tuba
1940 Pan American 58C Eb Alto Horn
Bob Kolada
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Re: Need an odd size rotary valve

Post by Bob Kolada »

Kanstul contrabass trombones (used to?) have that as one of their valve sizes.
TheBerlinerTuba
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Re: Need an odd size rotary valve

Post by TheBerlinerTuba »

Hello Mark,
I can source you a rotary valve in any of the sizes you mention. For any of the valve makers in eastern Germany this is no problem. In metric it would be, 15.75mm/16.65mm/19mm/19.80mm.

Having installed a lot of 5th valves on various customers' baritones, generally speaking, the main difference will be sound quality. On the small side of the tuning slide, it will be brighter with more focus. On the larger side, it will feel more open and the sound will be finer.

As much as I love Cerveny tubas (personally own a few;) the valves can be somewhat troublesome...
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Dan Schultz
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Re: Need an odd size rotary valve

Post by Dan Schultz »

58mark wrote:... Joe? Matt? Dan? thoughts?

Edit: a little research shows that a 750 valve is NOT easy to locate. Not sure they even exist
You could scrap out a slant-rotor Marzan.
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cambrook
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Re: Need an odd size rotary valve

Post by cambrook »

Great to see Jake offering to help source a valve, it's a much better idea to get a new valve from Europe - there are so many choices in size, and they're not that expensive.
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Dan Schultz
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Re: Need an odd size rotary valve

Post by Dan Schultz »

58mark wrote:
Dan Schultz wrote:
58mark wrote:... Joe? Matt? Dan? thoughts?

Edit: a little research shows that a 750 valve is NOT easy to locate. Not sure they even exist
You could scrap out a slant-rotor Marzan.
can't tell if you're joking or not. Do spare parts for those even exist?
Yeah, I'm joking. I've never heard of anyone offering replacement rotors for those things. However... SOMEONE had to make 'em once upon a time. That was a very common bore for B & M built tubas. Email Meinlschmidt.

As a side-note... I don't know what the current bores are for the St. Pete tubas but the guys at The Tuba Exchange were very helpful a while back and sold me FIVE St. Pete rotors.
Dan Schultz
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http://www.thevillagetinker.com" target="_blank
Current 'stable'... Rudolf Meinl 5/4, Marzan (by Willson) euph, King 2341, Alphorn, and other strange stuff.
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roweenie
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Re: Adding a 5th valve to a King 2280

Post by roweenie »

Image

Image

Conn-Selmer part numbers TU0809302 / TU08092

Image

Conn-Selmer part number TU08095
Last edited by roweenie on Mon Aug 01, 2016 2:43 am, edited 2 times in total.
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Tubajug
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Re: Adding a 5th valve to a King 2280

Post by Tubajug »

Great looking project Mark! I love seeing these "works in progress" posts. Thanks for sharing your process.
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Re: Adding a 5th valve to a King 2280

Post by arpthark »

58mark wrote:Thanks! I finally have good soldering equipment around here, so I'm going to practice for a while, and if I feel confident in my skills, I'm going to do the assembly myself
I've been considering purchasing some equipment for myself. What do you have?
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roweenie
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Re: Adding a 5th valve to a King 2280

Post by roweenie »

Very impressive, sir.

Will you be putting a brace between the two parallel legs?
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arpthark
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Re: Adding a 5th valve to a King 2280

Post by arpthark »

Awesome!! Looks great, Mark!
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Re: Adding a 5th valve to a King 2280

Post by oldbandnerd »

Showing my ignorance ,but I have to ask since I don't know. What would be the purpose of the 5th valve?
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Tubajug
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Re: Adding a 5th valve to a King 2280

Post by Tubajug »

Will it be left or right hand operated?
Jordan
King 2341 with a Holton "Monster" Eb bell
Eb Frankentuba
Martin Medium Eb Helicon

If at first you don't succeed, skydiving's probably not for you.
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roweenie
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Re: Adding a 5th valve to a King 2280

Post by roweenie »

Outstanding!
"Even a broken clock is right twice a day".
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Tubajug
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Re: Adding a 5th valve to a King 2280

Post by Tubajug »

Very cool. So there's no paddle? Just a direct movement on the valve? Very neat.
Jordan
King 2341 with a Holton "Monster" Eb bell
Eb Frankentuba
Martin Medium Eb Helicon

If at first you don't succeed, skydiving's probably not for you.
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bort
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Re: Adding a 5th valve to a King 2280

Post by bort »

How about a zoom-out full horn picture?
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Tubajug
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Re: Adding a 5th valve to a King 2280

Post by Tubajug »

I didn't even notice the bent brace to accommodate that. Nicely done! What does the hair tie attach to? A little post of some kind?

And I second the motion for a shot of the whole horn. :)
Jordan
King 2341 with a Holton "Monster" Eb bell
Eb Frankentuba
Martin Medium Eb Helicon

If at first you don't succeed, skydiving's probably not for you.
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