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  • #1

    frd, zma, and MORE specifications: Chime In!

    All,

    We are working to provide everyone with the best data for the drivers that Parts Express carries. This includes Dayton Audio and buyouts. We know the more information provided to you allows you to make a better informed buying decision. We would like to give you as much information on the speakers as our resources allow.

    Please right click and save the zip file below. It contains the additional specification files that we are working to provide you with using the example driver RS150-8.

    http://www.daytonaudio.com/newspecs/RS150-8.zip

    This is an extensive project here, so we appreciate your feedback and suggestions on the direction we have taken. Please post your comments/suggestions or send an email to: [email protected]

    Thanks!
    Tags: datasheets, frd, specifications, zma
  • #2
    Re: frd, zma, and MORE specifications: Chime In!

    Any possibility Sd could be included (in cm^2)?

    The rest looks great, Thanks!

    Mark
    You go your way, I'll go mine. I don't care if we get there on time.

    ~Pink Floyd

    Comment

    • #3
      Re: frd, zma, and MORE specifications: Chime In!

      Nice indeed Rich.

      Those using the FRD files will need to process them for minimum phase to use in PCD, but that's no big deal.
      R = h/(2*pi*m*c) and don't you forget it! || Periodic Table as redrawn by Marshall Freerks and Ignatius Schumacher || King Crimson Radio
      Byzantium Project & Build Thread || MiniByzy Build Thread || 3 x Peerless 850439 HDS 3-way || 8" 2-way - RS28A/B&C8BG51
      95% of Climate Models Agree: The Observations Must be Wrong
      "Gravitational systems are the ashes of prior electrical systems.". - Hannes Alfven, Nobel Laureate, Plasma physicist.

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      • #4
        Re: frd, zma, and MORE specifications: Chime In!

        Just another reason why Parts Express is leading the pack in this market. I'd love to see this information included in the PE driver specifications. Awesome Rich !

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        • #5
          Re: frd, zma, and MORE specifications: Chime In!

          Thank you. It is clear that PE is listening to their customers!

          I agree with mark, aside from SD, I am unsure much is missing form what seems to be a very complete data package for drivers!
          .

          Comment

          • #6
            Re: frd, zma, and MORE specifications: Chime In!

            Well, it does list D=104mm, which would allow you to calculate area.

            85 cm^2 is what I come up with.

            5.2 * 5.2 * 3.14
            R = h/(2*pi*m*c) and don't you forget it! || Periodic Table as redrawn by Marshall Freerks and Ignatius Schumacher || King Crimson Radio
            Byzantium Project & Build Thread || MiniByzy Build Thread || 3 x Peerless 850439 HDS 3-way || 8" 2-way - RS28A/B&C8BG51
            95% of Climate Models Agree: The Observations Must be Wrong
            "Gravitational systems are the ashes of prior electrical systems.". - Hannes Alfven, Nobel Laureate, Plasma physicist.

            Comment

            • #7
              Re: frd, zma, and MORE specifications: Chime In!

              Great job, I do not believe that there is another company that puts forth so much effort to support the DIY community. This is one of the many reasons I recommend your company to people.

              A few easy and valuable pieces of info to add to all the measurements would be the measurement conditions of each, such as:

              1. baffle size.
              2. enclosure size(if one was used).
              3. was the driver broken in, and if so, what method was used.
              4. anechoic or semi-anechoic measurement?

              Chris
              Chris

              Goofing around since 2000.

              Comment

              • #8
                Re: frd, zma, and MORE specifications: Chime In!

                Outstanding!

                If you could provide test data for all the Dayton and buyout drivers comparable to the RS150-8 example that you submitted, that would be an invaluable service.

                I haven't been a PartsExpress customer for long, but I've got to say that I'm highly impressed with the quality of customer service here. Add in the extensive product selection, generally very good pricing, and free shipping on larger orders, and I'm a very happy customer. This new data service would be icing on the cake. Thank you.

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                • #9
                  Re: frd, zma, and MORE specifications: Chime In!

                  Well done guys, and I know how big of a PITA this will be but I am sure sales of buyouts etc, will increase to experienced designers if there are basic measurements provided.

                  P.S. The off axis measurements are a nice touch
                  Don't listen to me - I have not sold any $150,000 speakers.

                  Comment

                  • #10
                    Re: frd, zma, and MORE specifications: Chime In!

                    Outstanding!

                    Comment

                    • #11
                      Re: frd, zma, and MORE specifications: Chime In!

                      Thanks. Lots of effort here.

                      I told you they read this forum.
                      " To me, the soundstage presentation is more about phase and distortion and less about size. However, when you talk about bass extension, there's no replacement for displacement". Tyger23. 4.2015

                      Quote Originally Posted by hongrn. Oct 2014
                      Do you realize that being an American is like winning the biggest jackpot ever??

                      http://www.midwestaudioclub.com/spot...owell-simpson/
                      http://s413.photobucket.com/albums/pp216/arlis/

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                      • #12
                        Re: frd, zma, and MORE specifications: Chime In!

                        I guess hell froze over!

                        Excellent work, you guys!!!
                        Isn't it about time we started answering rhetorical questions?

                        Paul Carmody's DIY Audio Projects
                        Twitter: @undefinition1

                        Comment

                        • #13
                          Re: frd, zma, and MORE specifications: Chime In!

                          Originally posted by Pete Schumacher ® View Post
                          Well, it does list D=104mm, which would allow you to calculate area.

                          85 cm^2 is what I come up with.

                          5.2 * 5.2 * 3.14
                          Indeed. I missed that. Good call, Pete!


                          Mark
                          You go your way, I'll go mine. I don't care if we get there on time.

                          ~Pink Floyd

                          Comment

                          • #14
                            Re: frd, zma, and MORE specifications: Chime In!

                            Well done Rich. Really, really outstanding.
                            I was so much older then, I'm younger than that now.
                            OS MTMs http://techtalk.parts-express.com/sh...d.php?t=220388
                            Swope TM http://techtalk.parts-express.com/sh...d.php?t=221818
                            Econowave and Audio Nirvana AN10 fullrange http://techtalk.parts-express.com/sh...d.php?t=216841
                            Imperial Russian Stouts http://techtalk.parts-express.com/sh...=1#post1840444
                            LECBOS. http://techtalk.parts-express.com/sh...ghlight=lecbos

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                            • #15
                              Re: frd, zma, and MORE specifications: Chime In!

                              Originally posted by Mark65 View Post
                              Indeed. I missed that. Good call, Pete!


                              Mark
                              The frd pics are COLORED, so the automatic SPLTrace (SPLCopy?) should work very well with that (in case someone wants offaxis response to work with).

                              It looks like the F/Z data files already have the headers/footers removed, so that's GREAT!

                              Is the phase that's IN there a standard "time of flight" for all drivers? One meter I'd assume, surface mounted (the way Darren used to do it)?

                              chris

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