Dual Bell Trumpet Project
Tim Brown



Goal: To produce a trumpet that was capable of being played through one of two bells, one muted the other not muted.
Requrements; base horn, second bell and valve from another horn as well as assorted additional bracing, etc.


Before

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Above and below; what I started with. A Holton Collegiate trumpet
that needed work. These pictures make it look better than it really did.
You can't see it but the  leadpipe was bend downward. It also needed
refinishing and some dent work..

before2.JPG



After

Ok. Here's the "after" pictures. The bell on the left is the original Collegiate. The one on the right is from a private label "Temple" trumpet. "Temple" is the name
of a music store on the east cost many years ago. Someone made horns for them and put their name on them.

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Why does this remind me of the "Illudium PU-36 Explosive Space Modulator"?  I like that look though! You can see the fourth valve from the "Temple" trumpet.


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View from the right. Added bracing for the lead pipe. I'm thinking of modifying that though.


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A good shot of the bells and bell tapers. You can see the bell braces back there. It's solid...yet doesn't interfere with intonation.


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Another view of the bell braces.

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Closeup of right side.

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That ring you see there is intended for the left middle finger. the pinky finger goes below the fourth piston and the next finger goes just below the bell, over the valve.
Thus, you have a solid grip. This horn is a bit bell heavy...not overly so but you notice it.

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Next, we had to plug the extra valve port so an old valve button was soldered in place!




Decided to add a bit of reinforcement for the leadpipe. That is the section of tubing that it circled in black.

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