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Ribbon drivers with constant excursion

Printed From: Speakerplans.com
Category: General
Forum Name: General Forum
Forum Description: Open Discussion / Questions
URL: https://forum.speakerplans.com/forum_posts.asp?TID=97827
Printed Date: 19 April 2024 at 9:40am
Software Version: Web Wiz Forums 12.06 - https://www.webwizforums.com


Topic: Ribbon drivers with constant excursion
Posted By: gen0me
Subject: Ribbon drivers with constant excursion
Date Posted: 16 February 2017 at 6:12pm
Can you drop some links to schematics of ribbon drivers where all membrane has the same excursion?



Replies:
Posted By: MattStolton
Date Posted: 16 February 2017 at 6:29pm
German site, but pictures show you how to make one!

http://www.gaedtke.name/lautsprecher" rel="nofollow - http://www.gaedtke.name/lautsprecher


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Matt Stolton - Technical Director (!!!) - http://www.wildingsound.co.uk" rel="nofollow - Wilding Sound Ltd
"Sparkius metiretur vestra" - "Meter Your Mains"


Posted By: MarjanM
Date Posted: 16 February 2017 at 6:59pm
Those are called ATM, acoustic transformers, not ribbons.



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Marjan Milosevic
MM-Acoustics
www.mm-acoustics.com
https://www.facebook.com/pages/MM-Acoustics/608901282527713


Posted By: gen0me
Date 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?


Posted By: MarjanM
Date Posted: 16 February 2017 at 11:18pm
https://www.beyma.com/products/diapharagmtweeters/1TPL15H8%20" rel="nofollow - https://www.beyma.com/products/diapharagmtweeters/1TPL15H8

One example


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Marjan Milosevic
MM-Acoustics
www.mm-acoustics.com
https://www.facebook.com/pages/MM-Acoustics/608901282527713


Posted By: B_Bender
Date 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


Posted By: valve head777
Date 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.

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Freedom of choice, choice of freedom.


Posted By: gen0me
Date Posted: 19 February 2017 at 6:50pm
Strange. https://www.adam-audio.com/en/technology/x-art-tweeter/" rel="nofollow - https://www.adam-audio.com/en/technology/x-art-tweeter/
Isnt the Lorenz force along the membrane?


Posted By: toastyghost
Date Posted: 19 February 2017 at 6:59pm
It's Alcons to look at if you want ribbons


Posted By: gen0me
Date 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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