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duelund crossover
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  • JimS
    started a topic New Build Thread - Ardent D by SMJ

    New Build Thread - Ardent D by SMJ

    Well, now that Steve's pile of oddly-shaped wood is looking much closer to a few really nice subwoofer enclosures (congrats Sven), it's likely time to begin to turn his attention to some Ardent D cabinets .

    Plan for this build is based on what Jon is listening to in the living room right...
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    Last edited by theSven; 29 May 2025, 02:33 Thursday. Reason: Added link to thread for the Ardent D - Kurosawa Jr thread

  • A possible new venture into the Dark Side inspired by KEF Meta 3



    Loudspeaker drivers are like celebrities... small issues and errors can inspire large effects in the reputation. And cause many to overlook nascent capabilities.

    This is merely a sounding board for a potential system design using something old, something new, something borrowed,
    ...
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  • Evil Twin
    started a topic Kurosawa Koncept System

    Kurosawa Koncept System

    Inspiration may come from many sources...

    Having discovered the film works of Kurosawa, I feel a kindred spirit in the force of his cinematic work, and inspiration for a new loudspeaker system worthy of being a tribute to his work...

    The few imperial agents I still have at...
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    Last edited by theSven; 18 June 2023, 20:28 Sunday. Reason: Update image location

  • Duelund meets Dunlavy (aka Duelund meets transient perfect)

    I was sitting around today, wishing I was at RMAF with the gang, and doing my usual multitasking thing -- watching the ballgame on TV and fiddling around on the computer. I was thinking about the old Dunlavy speakers where he uses lots of drivers with 1st order acoustic crossovers to get so-called 'transient...
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    Last edited by theSven; 14 May 2023, 15:50 Sunday. Reason: Update image location

  • Dennis H
    started a topic Duelund XO: the Big Concept

    Duelund XO: the Big Concept

    The big concept of the Duelund XO can be summarized as "all drivers in phase at all frequencies." To do that, he stacks LR2 filters when using 3 or more drivers. For example:

    Woofer: LR2-400 lowpass, LR2-2500 lowpass
    Midrange: LR2-400 highpass, LR2-2500 lowpass
    Tweeter:...
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    Last edited by theSven; 14 August 2023, 10:04 Monday. Reason: Update image location

  • Help me choose crossover points for my 3-way project...

    Hi,

    I think I'll start my new project around December. I've been on the planning stages for this one since February or March (I actually got some of the drivers back then), but only now I've begun to set my goals.

    I've decided on the following.

    1) WMTMW,...
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  • Wilk
    started a topic Questions about phase response

    Questions about phase response

    I have a few phase based questions

    Phase response: What exactly are you guys looking for in this chart when designing crossovers? Most people on other forums truly to seem to ignore it. You guys are more detailed in your designs so maybe I can get a decent answer here.
    ...
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