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  • #61
    I think PE took it down, I posted it twice. I will remove the RST from the graph and try again. Click image for larger version

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    Guess xmax's age.

    My guess: 15. His grammar is passable. His trolling is good.

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    • #62
      Regarding post #54, it shows up as a bunch of gibberish, and strange text. Perhaps there is some forum related issue. Its not the first time I have seen it here. Can you characterize your opinion on the distortion performance? Thanks again Xmax.. Sent from my SM-G935T using Tapatalk

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      • #63
        Okay thanks. I see it now! Sent from my SM-G935T using Tapatalk

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        • #64
          Me too. Wow! -40dB is about 1.2k breach, just as specified. -50dB at 2.1k, and below there until 13k!
          Seems pretty stout to me...
          Wolf
          "Wolf, you shall now be known as "King of the Zip ties." -Pete00t
          "Wolf and speakers equivalent to Picasso and 'Blue'" -dantheman
          "He is a true ambassador for this forum and speaker DIY in general." -Ed Froste
          "We're all in this together, so keep your stick on the ice!" - Red Green aka Steve Smith

          *InDIYana event website*

          Photobucket pages:
          https://app.photobucket.com/u/wolf_teeth_speaker

          My blog/writeups/thoughts here at PE:
          http://techtalk.parts-express.com/blog.php?u=4102

          Comment


          • #65
            Guess xmax's age.

            My guess: 15. His grammar is passable. His trolling is good.

            Comment


            • #66
              Interesting.  There is still a lot that we can't measure.

              I think I hear a difference - wow, it's amazing!" Ethan Winer: audio myths
              "As God is my witness I'll never be without a good pair of speakers!" Scarlett O'Hara

              High value, high quality RS150/TB28-537SH bookshelf - TARGAS NLA!
              SB13/Vifa BC25SC06 MTM DCR Galeons-SB13-MTM
              My Voxel min sub Yet-another-Voxel-build

              Tangband W6-sub

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              • #67
                That's a fact! They sounded lifeless compared to the Wavecors, I will need to revisit them soon.
                Guess xmax's age.

                My guess: 15. His grammar is passable. His trolling is good.

                Comment


                • #68
                  I wonder if the "lifeless" sound has anything to do with the low 2nd order distortion. Its -60db and almost -70db at some frequencies. In some Scanspeak and Satori tweeters, 2nd order distortion is often in the -40db to -50db neighborhood. Perhaps that is due to listener preference? If only it was as simple as finding the lowest distortion drivers and ....... Sent from my SM-G935T using Tapatalk

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                  • #69
                    I've thought this before as well, Olu. It's likely why some prefer ribbons since they have a bit more second order naturally. I like a lot of different tweeters, but I don't like them all.

                    One of my experienced examples was the difference between the old RS28A and the 27TBFC. The word JeffB used at the time was 'splashy' to describe the difference in the sound of cymbals through the TBFC, as compared to the RS28A not sounding that way and being more distinct and refined. I still like the way the old RS28A rendered the ride cymbal.

                    Not that HD is everything, as I've liked some high HD tweeters as well like the Beston RT003C. It is not a low HD device, but it has its own likeable sound, and renders brushed cymbals and piano really well.

                    I will also say this though. Of all of my builds, the lowest HD is in the midrange on my Cecropia Supremes, and it just sounds like there is "nothing added" where the music comes through as sent from the player. Sterile or lifeless is not the word I would use to describe this, but I have heard sterile on a well designed pair before. I really think tonal balance can be the key factor changing between lifeless, clean, and sterile; if the drivers are low enough HD to reproduce songs as mixed/intended. For example; If you focus on the tilted down response as your preferred balance, this could be due to higher HD tweeters. Once that issue is removed, flat response may actually be more appropriate to keep them from sounding 'dead'. Off-axis/power response also plays a key role here, for the same reason as before, getting more lively response and needing to tilt the treble down might not be preferable to that of a ring-radiator with low HD needing flat response to sound right.

                    It's all a balancing act,
                    Wolf
                    "Wolf, you shall now be known as "King of the Zip ties." -Pete00t
                    "Wolf and speakers equivalent to Picasso and 'Blue'" -dantheman
                    "He is a true ambassador for this forum and speaker DIY in general." -Ed Froste
                    "We're all in this together, so keep your stick on the ice!" - Red Green aka Steve Smith

                    *InDIYana event website*

                    Photobucket pages:
                    https://app.photobucket.com/u/wolf_teeth_speaker

                    My blog/writeups/thoughts here at PE:
                    http://techtalk.parts-express.com/blog.php?u=4102

                    Comment


                    • #70
                      Given everything you discussed, and all that is understood about the art/science of speaker design, while not getting too far off topic, Wolf where does the Cecropia Supreme fall amongst your best sounding speaker designs? Why? Sent from my SM-G935T using Tapatalk

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                      • #71
                        If they dug a little deeper into the bass, I could sell all else and be happy. It's honestly an over-all toss-up between them and my Attitudes, IMBO, but both for different reasons. 3rd and 4th and 5th would be, in no particular order, Stance, Vijon, and Glucinium Amor.

                        Later,
                        Wolf
                        "Wolf, you shall now be known as "King of the Zip ties." -Pete00t
                        "Wolf and speakers equivalent to Picasso and 'Blue'" -dantheman
                        "He is a true ambassador for this forum and speaker DIY in general." -Ed Froste
                        "We're all in this together, so keep your stick on the ice!" - Red Green aka Steve Smith

                        *InDIYana event website*

                        Photobucket pages:
                        https://app.photobucket.com/u/wolf_teeth_speaker

                        My blog/writeups/thoughts here at PE:
                        http://techtalk.parts-express.com/blog.php?u=4102

                        Comment


                        • #72
                          Click image for larger version

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                          Guess xmax's age.

                          My guess: 15. His grammar is passable. His trolling is good.

                          Comment


                          • #73
                            I think part of the reason I like the Wavcor so much is the way the waveguide better couples the dome to the air... 
                            Guess xmax's age.

                            My guess: 15. His grammar is passable. His trolling is good.

                            Comment


                            • #74
                              That's quite a bit higher low-end distortion than I had measured. I tested them at 105db @ 4" and all distortion products were below 0.4% down to 1khz.

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                              • #75
                                Click image for larger version

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                                Originally posted by ecj View Post
                                That's quite a bit higher low-end distortion than I had measured. I tested them at 105db @ 4" and all distortion products were below 0.4% down to 1khz.
                                Guess xmax's age.

                                My guess: 15. His grammar is passable. His trolling is good.

                                Comment

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