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Subject Topic: Magehelic for brasswind. Post ReplyPost New Topic
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stevemarti
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Joined: January.19.05
Location: USA
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Posts: 7
Posted: April.07.06 at 3:04pm | IP Logged Quote stevemarti

Many techs are using the magnehelic (essentially a leakdown tester) on woodwinds to gauge the tightness of an instrument, isolate leaks, etc.

Anybody using them to measure the leakdown rate of brasswind instruments? Anybody have a feel for what is an acceptable leak rate for a trumpet, trombone slide, etc. ?

I've checked trumpet this way occasionally and seen numbers range from better than flutes to what would be unplayableon a flute. I'd be interested in hearing about any correlation between the leak rate and playability.
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FredBattershell
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Joined: January.13.05
Location: USA
Online Status: Offline
Posts: 2
Posted: April.07.06 at 10:20pm | IP Logged Quote FredBattershell

Anybody have simple plans for making a "Magnehelic?" From what I've seen, they appear to be a type of manometer.
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