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Music lives in the midrange

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  • #16
    Audio Technology is another good midrange.

    Comment


    • jimbones
      jimbones commented
      Editing a comment
      yes but they are only sold across the pond right?

  • #17
    Originally posted by Wolf View Post

    I would not describe the Curv cone drivers as thick and def not wooly sounding. They are light, agile, and extremely smooth.

    I would recommend a well damped woven cone if this is what you are after. Carbon fiber, coated glass fiber, Curv, RohaCell, etc. Stay away from Kevlar, aluminum/metal, and stiff paper as they have attributes you dislike. Now, it could be such a thing that the breakup of the previous projects was not attenuated strongly enough to make you happy. Remember -25dB is minimum, -40dB is good, and -50dB is gone. If it's harsh program material, like hard rock/metal that is your preference, then a minor BBC dip from 1-3dB from 1-4k can work wonders. I'm usually the flat is best pusher, and even like a lot of hard music. Some people are just more sensitive than others.

    Later,
    Wolf
    Wolf, Does that mean that the tweeter that you suggested (H1825) would not be a good candidate for me?

    Comment


    • #18
      I think the tweeter will be fine. Most of the sensitive range is midrange, and the 27TAC is a very clean and not harsh tweeter. I think you'll be fine...
      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


      • jimbones
        jimbones commented
        Editing a comment
        what is the recommended XO freq and slope?

      • Wolf
        Wolf commented
        Editing a comment
        The 27TAC has no ferrofluid, so an Fs comp via LCR is strongly recommended.
        I also notched the ultrasonic spike and recommend that too. The parts will be small.

        That said, I had a 1.8kHz xover via a 3rd order electrical filter. It is not stressed.

    • #19
      scanspeak revelators have been praised as the best for years , they are pricey though .
      donc

      Comment


      • #20
        Originally posted by Jeff B. View Post
        Hi everyone,

        I have been asked to design a studio monitor using the ATC SM75-150S 3" dome midrange driver. Since this driver is so hard to get your hands one, and since it has near-legendary reputation as a mid, I thought I would submit of full review with measurements and subjective listening thoughts. You can download the full review in pdf form here: https://app.box.com/s/j1pwj8exbmioz350nu0n

        Comments are welcome,
        Jeff B.
        Jeff, you are missed, and sadly you aren't here to bump your old thread.

        In this current discussion of midrange drivers, Jeff Bagby's review of the ATC SM75-150S 3" dome midrange driver came to mind. The link to a pdf of the review is in the quoted post above.
        "Our Nation’s interests are best served by fostering a peaceful global system comprised
        of interdependent networks of trade, finance, information, law, people and governance."
        - from the October 2007 U.S. Naval capstone doctrine
        A Cooperative Strategy for 21st Century Seapower
        (a lofty notion since removed in the March 2015 revision)

        Comment


        • #21
          I agree with above that if you can get a ATC dome, that's probably the winner.
          A close 2nd for me is the Scanspeak Ellipticor, I have the 7".
          3rd for midrange duty is the Satori MR16P
          I'll also mention the SB Textreme, but that's based on a couple I've heard, I've never worked with one. But I enjoyed what I heard.

          Edit: I also have to say the Revelator 18w and the 15w are great. I have a Revelator 18M that I'm going to do a build with soon, from what I've read it's pretty much just a more efficient version of the 18w, measure very similar.

          But knowing what woofer, and what tweeter you're looking to use is helpful. The Satori and the Ellipticor give the most bandwidth, both will play fairly high for a bigger, fairly efficient driver. The Ellipticor is a woofer so that will go as low as you want, the Satori MR16P is a dedicated mid, I used that to about 350 Hz with no issues.
          "The ability of any system to produce exceptional sound will be limited mainly by the capability of the speakers" Jim Salk
          "Audio is surely a journey full of revelations as you go" JasonP

          Comment


          • #22
            How could I forget the PRV 5" NDY? Should at least be mentioned...

            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


            • #23
              SB Satori MW/MR16P - my current go to for midrange/midwoofer duties. I am keen to try the TX versions - on paper they do appear to be slightly smoother potentially making them easier to cross but have not had a chance to hear them yet.

              I would have to say I hands down prefer paper cones in the midrange. I find Alu/Ceramic drivers can be accurate but I would liken the experience to walking into a restaurant that replaced all their incandescent lights to those energy efficient LED bulbs.....yeah I can see clearly and the room is lit up but....this is a restaurant, not a hospital.
              Constructions: Dayton+SB 2-Way v1 | Dayton+SB 2-Way v2 | Fabios (SB Monitors)
              Refurbs: KLH 2 | Rega Ela Mk1

              Comment


              • JamesTan
                JamesTan commented
                Editing a comment
                I would suggest pairing the MW/MR16P with the TX tweeter, you get the best of both world. You retain that warm nature of the paper cone and get that super clear and detail high end. Personally I would cross low, around 1.45kHz to 1.6kH, to get the best out of that TX tweeter.

            • #24
              Originally posted by Wolf View Post
              How could I forget the PRV 5" NDY? Should at least be mentioned...

              Wolf
              Never heard that, but a paper, neo, 5", 94 db efficient looks pretty awesome. Wish they didn't do the PRV on the dust cover though.

              That 6" SB Audience looks pretty cool too. They have 2 different ones, both midranges. I'd love to play with those too.

              How's about Acoustic Elegance? Their TD6M is pretty stellar. Didn't Jeff do a nice write up with high praise for that one?
              "The ability of any system to produce exceptional sound will be limited mainly by the capability of the speakers" Jim Salk
              "Audio is surely a journey full of revelations as you go" JasonP

              Comment


              • Wolf
                Wolf commented
                Editing a comment
                I'm going to dab black paint over it. It has a HUGE following over at DIYaudio. It has a full copper sleeve too.

                I've not heard much about the SB Audience stuff, but looks viable.

                I don't know if he did or not. I remember he had one, and was impressed, but availability was a mixed bag and therefore I don't know what shook from it.

              • mattsk8
                mattsk8 commented
                Editing a comment
                Yes, pretty sure the drivers at Acoustic Elegance are made to order. I ordered 6 from them a few years back and they were made to order, that took about 4 months. Still haven't used them.

            • #25
              Originally posted by Wolf View Post
              How could I forget the PRV 5" NDY? Should at least be mentioned...

              Wolf
              Not sure are you referring to the PRV Audio 5MR450-NDY, from the company's data, there seems to be a 5dB dip around the 1.6kHz region. How does that affect the sound and is there a way to handle that in the crossover design?
              Attached Files

              Comment


              • Billet
                Billet commented
                Editing a comment
                I don't think I would be able to hear that narrow of a dip. Shouldn't be an issue, IMHO.

            • #26
              That is the driver I refer to. You'll find a lot of 5.25-6" drivers have a dip in this region. Typically, it is just left alone to be there.

              Of note- there are several different data sheets for this driver.
              Click image for larger version

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              And here is the data XRK measured for it:

              Click image for larger version

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              Click image for larger version

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              I have a set yet to use...
              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


              • #27
                i dont remember Jeff liking the AE TD6M , seems like there was a hard to work with dip or something ,others found the TD6M to have it also .he chose the Dayton PM180 over it on a design for me ,case by case could apply .the ATC dome he did like , its just hard to come by .seems like its available from the guys in Canada every once in a while .they have one that looks like the ATC but its made by Volt .its expensive as is the ATC ,not sure about performance .
                donc

                Comment


                • Ugg10
                  Ugg10 commented
                  Editing a comment
                  The Volt version has been used in the DIYAudio Open Source Monkey Coffin speaker so lots of info on that over on that forum.

                • mattsk8
                  mattsk8 commented
                  Editing a comment
                  Just did some searching and yeah, that has a huge dip at around 900 Hz, like 8 db. Guess that one is no bueno.

              • #28
                Voices are mainly in the midrange, and it's great to have a good midrange driver; but if you use relatively lazy crossovers like LR2, the bass and treble drivers still contribute a lot of midrange.
                Francis

                Comment


                • fpitas
                  fpitas commented
                  Editing a comment
                  Yup. Having great drivers simply means you have no excuses lol

                • jimbones
                  jimbones commented
                  Editing a comment
                  fpitas you seem to use the term "lazy" as bad. I agree that slow slope XO like that there will be a lot of contribution from woof and tweet. I was just wondering if there are preferences. I typically go LR2.

                • fpitas
                  fpitas commented
                  Editing a comment
                  I didn't mean bad in any way. It's "lazy" in that the poles are low Q, so the curve doesn't change fast.

              • #29
                So Ive got a huge amount of suggestions. Ive short listed them to 4: Wavecor WF120BD03 Seas H1304, HDS P830991, Eclipse W6520

                Comment


                • #30
                  Don't rule out the Dayton PM180 drivers. They don't do bass but sound fantastic as a midrange IMHO.

                  While they are both very good drivers, and I have used both in projects, I don't think the P830991 or W6520 is any better than your 830883.
                  Craig

                  I drive way too fast to worry about cholesterol.

                  Comment

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