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  • Saint-Saëns planar- AKA SMJ-40- time for a project now?

    This project concept has an unusual history and evolution. It started out in early mid 2021 based on the idea of a short narrow column bass system, originally targeting the recently introduced Dayton E180HD-44.






    This dual magnet long excursion driver seemed
    ...
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    Last edited by theSven; 26 March 2023, 09:07 Sunday. Reason: Update image location for unused png

  • Considerations for Peerless 830452 Multiple Compact Ported Subwoofer Build

    Looking at the other subwoofer threads going right now, I am under the impression this is one of the few places to go for sensible input on subwoofer designs. I have been slowly selling off my larger speakers and subwoofers in favor of more modest equipment to put in the living room. Dedicated theater...
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    Last edited by Mandroid; 20 February 2023, 17:10 Monday. Reason: spelling

  • DaveFred
    started a topic Eight inch woofer testing, report

    Eight inch woofer testing, report

    Hello Everyone,

    I am looking to build a speaker with an 8" woofer and a 4" tweeter in 1.5 cubic feet or less. These are the constraints, please don't make suggestions on what to try outside these guidelines.

    Because I do not know which are the best drivers to choose,...
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  • Markcsa
    started a topic Wavecor Ardent Metric Drawings - PLEASE!!!!

    Wavecor Ardent Metric Drawings - PLEASE!!!!

    Hi all! Does anyone perhaps have metric drawings or a 3D model they could share? It would be greatly appreciated and save me a lot of cash!
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  • JonMarsh
    started a topic 2021-2023 Isiris Update

    2021-2023 Isiris Update

    For various reasons it makes more sense to me to have a succinct new thread covering the investigations and updates this year for the Isiris. Only a few key items that will be addressed right away, but there might be more soon if the negotiations for early samples of a new midrange are completed. ...
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    Last edited by JonMarsh; 25 November 2021, 10:46 Thursday.

  • Steve's been bugging me for a center channel design...

    Sometimes I wonder if developing another center channel design is a bit like doing another 6-1/2" two way- as I think Dennis Murphy said once, another 6-1/2' two way is not going to be a ground breaking concept...

    But it can be made interesting... (but that's a different day and a...
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    Last edited by theSven; 23 May 2023, 21:06 Tuesday. Reason: Update image location

  • Jim Holtz
    started a topic Updated Bordeaux crossover now available...

    Updated Bordeaux crossover now available...

    Just a heads up that between Curt and Efalegalo they have come up with a modification to the original crossover that works better with the new production AST2560's currently shipping. Meniscus has also committed to testing every AST2560 driver ordered to assure the correct crossover parts are included...
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  • The Bordeaux - Crossover Help Needed - DIY Gurus please chime in

    Hi All,

    I just recently completed my build of The Bordeaux and needed help with crossover issue I'm having.

    See attached picture of the frequency response. I have a massive dip in the 1.25Khz - 4.0Khz range.

    I've checked the crossover a 100x.
    ...
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  • Feedback on MTM planar enclosure/driver selection

    Looking for feedback on this crossover I've been kicking around for my cousin who really wants a planar tweeter.

    It's an MTM with 6" Dayton RS150 mids and a planar tweeter. I want to use the Dayton PT2C-8 but it has an aggressive roll-off after 10kHz, which makes me want to redesign...
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    Last edited by theSven; 02 May 2023, 20:12 Tuesday. Reason: Update image location

  • 123Toid
    started a topic How to Design a Crossover from Scratch

    How to Design a Crossover from Scratch

    For years, I wanted to design my own speakers, but didn't understand the intricacies that went into it. For all I knew, you bought a 2500 hz crossover from parts express, picked a woofer and tweeter that looked cool and went at it. It wasn't until i really got into DIY speaker building that I understood...
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    Last edited by 123Toid; 14 August 2017, 16:03 Monday.

  • Why doesn't anyone use loudspeaker management instead of crossovers in high end desig

    I've read it improves phase shift, delay, voltage ringing in capacitors, inductor compression, complimentary induction between inductors, compression from heat generation in resistors and capacitors, variances in component values and decoupling of the amp from the driver. Also each amp only amplifies...
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  • TheWaveCarver
    started a topic First Build - RS180 Modula MT

    First Build - RS180 Modula MT

    I'm designing a pair of bookshelf loudspeakers with a friend. My friend has decent experience in woodworking but little in crossover design. Prior to working on this project, has has completed a pair of full range and 3-way speakers (With a pre-manufactured crossover for the 3-way - It did not sound...
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    Last edited by theSven; 02 May 2023, 21:09 Tuesday. Reason: Update image location

  • TheWaveCarver
    started a topic How to Learn Passive Crossover Design?

    How to Learn Passive Crossover Design?

    What are some good sources online to learn about passive crossover design? Right when I think I'm beginning to figure it all out, I learn something new (Baffle step diffraction, driver impedance matching). I'm just beginning to understand the purpose of L-Pads and Zobels but have no idea how to calculate...
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    Last edited by TheWaveCarver; 21 April 2016, 11:02 Thursday. Reason: Added a Link

  • Isiris evolution to Osiris Jr? Summary of Isiris build and new update

    The Isiris never got it's own build thread, being the culmination of the "Three Way Evil Design Study" - it didn't seem very urgent, as only two pair were expected to be built world wide, due to availability issues with the NS12-513-4A woofer. Of course, that part of the design can be redone...
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    Last edited by theSven; 23 June 2023, 21:52 Friday. Reason: Update image location

  • sdl2112
    started a topic Introducing the SSA-WG

    Introducing the SSA-WG

    This is my first build of my own design. I have been mentally designing it for years. There were always more questions than answers but now I'm ready to start the build.


    Name:
    The SSA-WG is a 3-way Scan-Speak Accuton WaveGuide project.

    Drivers:
    Woofers:...
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    Last edited by sdl2112; 07 July 2019, 20:13 Sunday. Reason: Final configuration
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