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AMT Tweeter - Design Considerations?
AMT Tweeter - Design Considerations?
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Old 2nd November 2017, 05:22 PM   #1
ReDress is offline ReDress  Canada
diyAudio Member
Join Date: Jul 2014
Default AMT Tweeter - Design Considerations?

Hello everyone,

So I've been scouring the web for various bits and pieces on how to design an AMT...though it's been difficult to find information in regards to what makes an AMT "tick," so to speak (Not all that much in direct answers, just vague redirects...)

As such, I'm curious as to what factors go into the actual design of an AMT - such as membrane area (width+height), materials used, strength of the magnets, determining/altering the sensitivity of the tweeter, etc. and how they all converge to create the sum (Seeing as how I understand, relatively, how one would go about the design of a traditional cone transducer, the design of an AMT eludes me...)

But I'll digress, any additional information you guys feel might relevant is always welcome

Much love and many thanks in advance for your guys' thoughts and time
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Old 2nd November 2017, 06:06 PM   #2
båndsei is offline båndsei  Denmark
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Join Date: Dec 2008
Hi ReDress

I got a tread here in diyaudio Diy AMT
Pictures are missing in the first 43 pages.
There is a link to google pictures
Solhaga has a tread too Yet another DIY AMT

Bernt Båndsei
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Old 2nd November 2017, 06:13 PM   #3
WrineX is offline WrineX  Netherlands
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Location: Den Haag
well i dont think anyone exaclty know the parameters. since we all tried all different things.

Look for posts from solhaga and båndsei.

and i got a small amt venture from me here
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Old 2nd November 2017, 06:14 PM   #4
WrineX is offline WrineX  Netherlands
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ha there you are Bernt

btw bernt i got the Foil you send me once on a big roll ! also the thicker versions if you ever might be interested to try i can send you some since you where so generous to send me some cool stuff i would be happy to!
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Old 4th November 2017, 01:24 PM   #5
solhaga is offline solhaga  Sweden
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Join Date: Jun 2009
Location: Värsta Götaland
I'll be developing a tweeter AMT for SLAM!, not from scratch though as the motor is almost given.

What are your design objectives?
Frequency response, SPL? Dispersion?

What facilities do you have? Do you think that you can make a membrane?
You might need a cutter like the Silhouette.

Do you plan to make your own motor design?
I can help you with FEMM so it can be simulated.
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