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Ribbon drivers with constant excursion

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gen0me View Drop Down
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    Posted: 16 February 2017 at 6:12pm
Can you drop some links to schematics of ribbon drivers where all membrane has the same excursion?
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MattStolton View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MattStolton Quote  Post ReplyReply Direct Link To This Post Posted: 16 February 2017 at 6:29pm
German site, but pictures show you how to make one!

Matt Stolton - Technical Director (!!!) - Wilding Sound Ltd
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MarjanM View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MarjanM Quote  Post ReplyReply Direct Link To This Post Posted: 16 February 2017 at 6:59pm
Those are called ATM, acoustic transformers, not ribbons.

Marjan Milosevic
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gen0me View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gen0me Quote  Post ReplyReply Direct Link To This Post Posted: 16 February 2017 at 7:32pm
Cant figure out where is the one with "stiff" membrane.
Anyway what are the materials used?
Anyway membrane itself wont be as stiff as in normal driver due to not circular shape?
What is suspension? Is it the same material as membrane but pressed so it will bend in place?
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MarjanM View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MarjanM Quote  Post ReplyReply Direct Link To This Post Posted: 16 February 2017 at 11:18pm
Marjan Milosevic
MM-Acoustics
www.mm-acoustics.com
https://www.facebook.com/pages/MM-Acoustics/608901282527713
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Post Options Post Options   Thanks (0) Thanks(0)   Quote B_Bender Quote  Post ReplyReply Direct Link To This Post Posted: 17 February 2017 at 9:02am
Originally posted by MarjanM MarjanM wrote:

Those are called ATM, acoustic transformers, not ribbons.


AMT = Air Motion Transducer
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valve head777 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote valve head777 Quote  Post ReplyReply Direct Link To This Post Posted: 19 February 2017 at 6:13pm
Look at Adams ART technology, known as accelerated ribbon technology. Essencialy a ribbon configured as a concertina. Neo magnets between each fold. One advantage is much larger surface area. The diaphragm has etched onto it the conductor. Used in studio monitors.

Edited by valve head777 - 19 February 2017 at 6:17pm
Freedom of choice, choice of freedom.
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gen0me View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gen0me Quote  Post ReplyReply Direct Link To This Post Posted: 19 February 2017 at 6:50pm
Strange. https://www.adam-audio.com/en/technology/x-art-tweeter/
Isnt the Lorenz force along the membrane?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote toastyghost Quote  Post ReplyReply Direct Link To This Post Posted: 19 February 2017 at 6:59pm
It's Alcons to look at if you want ribbons
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gen0me View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gen0me Quote  Post ReplyReply Direct Link To This Post Posted: 19 February 2017 at 7:23pm
Impressive! Finally some ribbon that can reach my 133db. Where can I hear them in uk?
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