Harmonic/entonation problem with Bach Hagmann 42

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Kinny
Posts: 8
Joined: Sun Jan 29, 2023 9:35 am

Harmonic/entonation problem with Bach Hagmann 42

Post by Kinny »

Hello everyone,

I have a Bach 42 trombone with a Hagmann valve and I have noticed a problem with the B flat harmonic. This issue is reflected in the tuning and color of that particular harmonic.

I am wondering if anyone on the forum has experienced a similar problem and if they know if there is any solution for this. Any information or suggestion would be greatly appreciated.

Thank you in advance for your help!
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Doug Elliott
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Re: Harmonic/entonation problem with Bach Hagmann 42

Post by Doug Elliott »

It would help to say which Bb you're talking about.
"I know a thing or two because I've seen a thing or two."
hornbuilder
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Re: Harmonic/entonation problem with Bach Hagmann 42

Post by hornbuilder »

Can you post a video showing the issue?
Matthew Walker
Owner/Craftsman, M&W Custom Trombones, LLC, Jackson, Wisconsin.
Former Bass Trombonist, Opera Australia, 1991-2006
Kinny
Posts: 8
Joined: Sun Jan 29, 2023 9:35 am

Re: Harmonic/entonation problem with Bach Hagmann 42

Post by Kinny »

Doug Elliott wrote: Sat Feb 18, 2023 6:07 pm It would help to say which Bb you're talking about.
I am talking about the Bb tune note. The 4th harmonic.
tbonesullivan
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Re: Harmonic/entonation problem with Bach Hagmann 42

Post by tbonesullivan »

Is the problem with that specific note, or with that entire harmonic on the horn? What exactly is it doing? Out of tune? Sounding Airy?
David S. - daveyboy37 from TTF
Bach 39, LT36B, 42BOF & 42T, King 2103 / 3b, Kanstul 1570CR & 1588CR, Yamaha YBL-612 RII, YBL-822G & YBL-830, Sterling 1056GHS Euphonium,
Livingston Symphony Orchestra NJ - Trombone
etbone
Posts: 103
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Location: East Texas

Re: Harmonic/entonation problem with Bach Hagmann 42

Post by etbone »

Seeing by the number of views. lots of interest. The Bach 42AF(Hagmann) I've played for 3 years, one of my favorite horns. Very open, every even, from open to f-attachment.

There are two versions, of the Hagmann, depending on the age of the horn.

Just need more info, on this horn. Age, bought new or used, mouthpiece, etc.
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