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  • Legacy audio, new design...interesting

    http://www.audioxpress.com/news/lega...r-at-rmaf-2017

    Wish I could make it to RMAF to hear this. The amt array has me curious as to how it is implemented. And what drivers these behemoths are using!
    https://www.facebook.com/Mosaic-Audi...7373763888294/

  • #2
    Yeah- odd to me I think. They've not always been a company to go with DIY convention as far as driver arrangements go.
    Wolf
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    • #3
      Interesting that they are nearly fully active save for one amp you need to provide for the tweeters.
      Last edited by philthien; 10-05-2017, 05:26 PM.

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      • #4
        "The side passive radiators are dual 12 aluminum diaphragms with 3 dual 4 layer voice coils."

        Hmmmmm..... passive radiators with voice coils. Are they passive or not?
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        • #5
          Originally posted by Jeff B. View Post
          "The side passive radiators are dual 12” aluminum diaphragms with 3” dual 4 layer voice coils."

          Hmmmmm..... passive radiators with voice coils. Are they passive or not?
          Yeah, me thinks someone needs to check their add copy.
          https://www.facebook.com/Mosaic-Audi...7373763888294/

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          • #6
            Originally posted by Jeff B. View Post
            "The side passive radiators are dual 12” aluminum diaphragms with 3” dual 4 layer voice coils."

            Hmmmmm..... passive radiators with voice coils. Are they passive or not?
            Servo? If not a bad editing job....?
            .

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            • #7
              Originally posted by Jeff B. View Post
              "The side passive radiators are dual 12” aluminum diaphragms with 3” dual 4 layer voice coils."

              Hmmmmm..... passive radiators with voice coils. Are they passive or not?
              Maybe they're using the voice coils to provide motive force for resistive damping . . .
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              • #8
                Interesting, I will make sure to check them out at RMAF this weekend. They may be doing a similar idea of what I plan on doing on my speakers of artificially adding a slightly delayed version of the signal in order to achieve a level of spaciousness normally only achieved by well designed dipole speakers without having the problems of dipoles.

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                • #9
                  Dang, those look freakin sweet. I heard the Aeris speakers, and own a brand new set of Legacy Calibres. I can only imagine how utterly awesome those might sound. They always go for piston area to minimize excursion and thus distortion in already low-distortion drivers. Eigh-Emm-Tee is for me!

                  Here is a link to their Blog: http://legacyaudio.com/backstage/blo...-at-rmaf-2017/

                  Where the hell is the 1.5" Midrange driver???

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                  • #10
                    Originally posted by guitar maestro View Post
                    Where the hell is the 1.5" Midrange driver???
                    Maybe it's between the tweeters.

                    Click image for larger version

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                    Ron

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                    • #11
                      Looks like horn loaded AMTs and mid dome.
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                      • #12
                        An earlier attempt of a similar concept by the good, old Acoustic Research. https://www.stereophile.com/content/...-1-loudspeaker

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                        • #13
                          Boy the similarity to the Acoustic Research work is striking.

                          And then I think back to technologies like Carver's Sonic Holography and wonder if people actually think these technologies are better, or just different.

                          I get they sound remarkably different. And I don't doubt that on some recordings they might sound remarkably better.

                          I just cannot fathom that the characteristics imparted equally improve the listening experience of all material.

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                          • #14
                            Originally posted by kenny_k View Post
                            Looks like horn loaded AMTs and mid dome.
                            Not horn loaded, but a clever solution to what would otherwise be a limited directivity AMT.

                            I'm not convinced on the mid dome. There's not enough resolution in the image to tell, but it kind of just looks like a wire frame holding the AMT's in place, that you can see through to the dust cap of the woofer behind.

                            The wavelet DSP to me sounds like a confusing description of FIR filtering.
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                            • #15
                              Originally posted by Ron_E View Post

                              Maybe it's between the tweeters.

                              [ATTACH=CONFIG]n1347985[/ATTACH]

                              Ron
                              I thought so too, until I looked at the high resolution image from the Legacy webpage that I linked. It almost looks like its just the dustcap of the midbass driver peeking through, but then again, it has to be there. No other place it could be.

                              The AMT's are suspended by what appears to be a carbon fibre structure.

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