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  • Representative Value Tweeters

    Looking for tweeter suggestions. With Christmas on the horizon I was asked to put together a Parts Express list. I'm new to designing my own builds and one thing I've realized is that I'm unfamiliar with certain types of tweeters so I'm making a short list of candidates between $15-$40.

    Already on-hand I have a BC25TG15-04, a DX20BF-04, and an ND25FW-4.

    Here are a few I've come up with as representative of a type I haven't heard or tinkered with before

    XT25BG-60 for a ring radiator
    RT1.3WE for an isodynamic
    RST28A for one I can cross below 2k

    Other tweeters that you'd recommend and why?

    I've got a RS180P and an RS225-8 on my list too if you're wondering - doesn't mean that I'll get them all!




  • #2
    I've used and like these two:

    https://www.parts-express.com/Peerle...eeter-264-1020

    https://www.parts-express.com/Peerle...6-Ohm-264-1460

    I haven't used this one, but heard a lot of positive things about it:

    https://www.parts-express.com/Peerle...eeter-264-1676

    The RST28a seems decent, it's in a current project of mine that I haven't listened to as much as the other tweeters. Having lost a few tweeters made me a big fan of built in grilles.

    Comment


    • Colonel7
      Colonel7 commented
      Editing a comment
      Thanks for the suggestions. The Corundum is probably too much out of budget. Maybe next year on that one

  • #3
    The three you listed are good choices.
    I'd add Peerless DX25BG60-04 (264-1478) which is the double-magnet version of the one chrisn linked. This is often referred to as the "Beast Mode" tweeter and can cross pretty low.
    And I'd second the DA25BG08 that chrisn linked.

    Comment


    • wogg
      wogg commented
      Editing a comment
      That thing can pull off >=1.2k without much complaint.

    • a4eaudio
      a4eaudio commented
      Editing a comment
      Not to derail the thread too much on just this one tweeter...but the mfg spec Fs is 415Hz but mine measured about 700Hz. I crossed over around 1750Hz so this was fine anyways. And beyond the "specs", people who have used this tweeter think it sounds great. The custom waveguide build that allowed it to be crossed at 1Khz is here --> https://diy.midwestaudio.club/discussion/562/10-2way.

      Not as good a value at $20 more, but the Scanspeak Discovery D2604/833000 is supposedly a slightly better version.
      Last edited by a4eaudio; 11-05-2021, 08:20 PM.

    • Kornbread
      Kornbread commented
      Editing a comment
      I would add, the da25bg is efficient and can take a ton of power. Have it mated with a Gradient Axis 6.5" mid crossed fairly low, and it has no problem keeping up. Personally, I also like the xt25tg. Have not used the xt25bg. IMO, it has a more refined sound than the da25. They have more differences than that, but to me, that's what sticks out the most. Have the rst28a in a current build. IMO, it's somewhere in between the other two tweeters. It's a more refined sound than the da25d but not xt25 refined. Again, these are not the only differences, just the ones that stick out most in my memory.

  • #4
    1.2k without a waveguide? Holy cow. How does a double magnet handle distortion better than a single? The dual XT25BG60 that has a double magnet also handles distortion much better than the single magnet version XT25TG at least based on hificompass measurements. Is that the usual case?

    Comment


    • #5
      Originally posted by Colonel7 View Post
      1.2k without a waveguide? Holy cow. How does a double magnet handle distortion better than a single? The dual XT25BG60 that has a double magnet also handles distortion much better than the single magnet version XT25TG at least based on hificompass measurements. Is that the usual case?
      The double magnet isn't necessarily the secret sauce, though that did add a lot of space for the rear chamber to get that Fs low. I haven't compared the Xmax against similar tweeters, but I suspect that's a tick higher as well. The distortion sweep at a decent level was what impressed me with that thing.
      Electronics engineer, woofer enthusiast, and musician.
      Wogg Music
      Published projects: PPA100 Bass Guitar Amp, ISO El-Cheapo Sub, Indy 8 2.1 powered sub, MicroSat, SuperNova Minimus

      Comment


      • #6
        I agree with the selections and recommendations.
        Wolf

        PS- the Beast Mode can pull off a 1kHz xover or possibly lower in an appropriate waveguide.
        Last edited by Wolf; 11-05-2021, 02:53 PM.
        "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


        • #7
          Thanks for all of the recommendations guys. More added to my list

          Comment


          • #8
            Beast Mode all day. Does everything well, some things great, nothing poorly, and has a great price point.
            Don't listen to me - I have not sold any $150,000 speakers.

            Comment


            • #9
              Thinking about this more, Any ones to add in this budget specifically crossing higher (3.5-5.5k) as in a 3-way?

              Comment


              • #10
                How about the SB19ST? Ron E used them in his 3-way Iron Driver entry in 2018. I thought they sounded great at Iowa DIY.
                Co-conspirator in the development of the "CR Gnarly Fidelity Reduction Unit" - Registered Trademark, Patent Pending.

                Comment


                • Ron_E
                  Ron_E commented
                  Editing a comment
                  Great tweeter but I don't think it's available from PE. You can find them in Wisconsin.

                  Ron

              • #11
                DX20 is cheap and very nice.
                XT25SC90 is also good in this range.
                XT19 is also good.
                ND25FA4

                You get a lot of options when you go higher. This list could be huge for 3.5k+.
                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


                • #12
                  So I was gifted an XT25BG60 and the RT1.3WE. What are good crossover points for the RT1? Looks like 2300-2400Hz minimum avoids distortion for the XT. Thanks for suggestions

                  Comment


                  • #13
                    The RT1.3 prefers 2.6k+.
                    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


                    • Colonel7
                      Colonel7 commented
                      Editing a comment
                      Thanks Wolf

                  • #14
                    3kHz LR4 is even better for the RT1.3WE. I've used it in two different projects and love it. The Beast Mode for $2 less can easily play an entire octave lower, which really opens it up for use with a lot more woofers (ie larger). I do think it gives up a bit on the finer details above 4 kHz compared to the RT1.3WE. That's totally subjective and probably biased though
                    Craig

                    I drive way too fast to worry about cholesterol.

                    Comment


                    • Colonel7
                      Colonel7 commented
                      Editing a comment
                      Got it! Thanks for the help

                  • #15
                    Craig is not wrong. The detail from the 1.3 is exceptional, and it is better at 3k, but 2.6k is not too far south.
                    You will likely need a 4th order electrical on them though.

                    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

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