Performance and Tuition - Design, Modification and Repair
Jaeger Trumpets, Cornets and Mouthpieces
Please do not attempt any repairs unless you have appropriate technical proficiency
Program facilitator for
Bringing Music back into the Home
So are some digital calipers! Measure both and do some 5th grade math. The hard part is then you have do decide what the right gap should be, and what do do about it. THAT is where the opinions are all over the place.Here is a great tool, that makes checking the gap a breeze...
really is a great little tool...
The best solution to me would be to change the whole lead pipe, and preserve the original one. Find a pipe you like and play it.
Last edited by jiarby; 07-15-2011 at 10:56 AM.
A pencil works great too. The measuring is easy, it's the changing that's hard.
For the moment, since I wanted to put all but one trumpet away in storage for the rest of the year, I'm only really interested in matching the Monette to the Olds Studio. I love the sound I'm getting with that combination, an instant favorite. Gap .... 1/2 inch.
It's a tossup as to which is more valuable, mp or trumpet, they cost about the same. It seems like it would be easier, safer, quicker, and cheaper to have the trumpet adjusted.
But, not with a new leadpipe. For one thing, it would never sound the same.
Last edited by turtlejimmy; 07-15-2011 at 11:10 AM.
Incorrect gap can make a horn perform like a tank. I experienced this first hand and have had my last two horns gapped. Personally I will always have the correct gap set on any horn I own, the difference is like turning a horn that performs like a “Tank” into performing like a formula 1 racer : ) I asked the question “Why” to a well known trumpet specialist and he told me that at the “Gap area” is where the air is initially introduced into the horn, this area sets up the proper eddy current in the horn, if the gap is incorrect it will cause improper air flow and disrupt the air current through almost the entire horn causing poor performance. It made sense to me when I handed him a tank and got back a race car for a horn.
Last edited by turtlejimmy; 07-17-2011 at 09:05 AM. Reason: too much information ....
Yes, it's a better flow of air through the horn ..... but, I still like the sound of the Prana better in the Studio. So ..... I'll acclimate to playing a non-Monette mp again and then maybe take a trip to Portland to discuss with Dave and Co. I've been wanting a good excuse to go check out the shop.
Another very cool thread ... I do wonder if a non-optimal gap is used to customise the sound of a horn ... no you won't be able to play some highly technical multi-octive piece but it might change the timbre of the horn for a desirable effect.
If the horn has a bent reciever does that possibly make for an irregular gap? Is the stop point in the reciever not the point where the mouthpiece hits the leadpipe.
Monette does have a gap philosophy for his horns. He replaced one of my mouthpieces free of charge because the original went too far in (after 8 years of use!).
As sensitive as those pieces are, I can imagine that the differences could be substantial - even with standard horns.
Whenever I feel blue, I start breathing again.
But in the (admittedly short) time I spent mucking around with gap checks and tests I did not notice a great change in tone or response compared with finding which way up to insert the mouthpiece which made the most surprising difference.
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