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Build Thread: The Bombers (SR71's become 3-ways)

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  • #31
    Re: Build Thread: The Bombers (SR71's become 3-ways)

    Here is the crossover design (also added to original post, it has not changed)

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    • #32
      Re: Build Thread: The Bombers (SR71's become 3-ways)

      Hey Mike, the Bypass Caps are in parallel, not series, with C2 and C18, correct?

      (other may confirm as well)

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      • #33
        Re: Build Thread: The Bombers (SR71's become 3-ways)

        Bypasses are in parallel -- correct
        Bryan K.

        Midwest Audio Club

        Speedster | Sub Attachť | The Wildeman | Sean's NLA Towers | CO‹GAR, COUGAR II and CO‹GAR JR | Triton | Lithium | J-Boom | Trym MLTL | Docere MLTL

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        • #34
          Re: Build Thread: The Bombers (SR71's become 3-ways)

          Originally posted by bkeane1259 View Post
          Bypasses are in parallel -- correct
          That was weird. I woudl swear I did not answer, then I saw then name and forgot I changed my Moniker....

          ... wait...

          Now I am just confused!!!! :p;)
          .

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          • #35
            Re: Build Thread: The Bombers (SR71's become 3-ways)

            I didn't want Lunch to have to wait too much longer for a response as I know he was sitting there all day, staring at his monitor, hitting the refresh button since 7:53am, looking for your answer. I felt an obligation to step in and relieve his pain.
            Bryan K.

            Midwest Audio Club

            Speedster | Sub Attachť | The Wildeman | Sean's NLA Towers | CO‹GAR, COUGAR II and CO‹GAR JR | Triton | Lithium | J-Boom | Trym MLTL | Docere MLTL

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            • #36
              Re: Build Thread: The Bombers (SR71's become 3-ways)

              Originally posted by bkeane1259 View Post
              I didn't want Lunch to have to wait too much longer for a response as I know he was sitting there all day, staring at his monitor, hitting the refresh button since 7:53am, looking for your answer. I felt an obligation to step in and relieve his pain.
              Good man, good man.

              Anyway, here is the Sim in PCD. Yes, it is a slight BBC dip that can be voiced out when we get to that stage. As always, I went for smooth and controlled impedance/electrical phase, as well as smooth response and overall power response. Could have made the nulls bigger, but had to balance with smooth power res ponce. I guess we will find out soon!
              Attached Files
              .

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              • #37
                Re: Build Thread: The Bombers (SR71's become 3-ways)

                Wow, the impedance and impedance phase look incredible! everything looks good in fact!

                रेतुर्न तो थे स्रोत
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                in war, victory . . . in peace, vigilance . . . in death, sacrifice.

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                • #38
                  Re: Build Thread: The Bombers (SR71's become 3-ways)

                  Originally posted by greywarden View Post
                  Wow, the impedance and impedance phase look incredible! everything looks good in fact!
                  If I knew what that meant I would be so excited right now! :rolleyes:

                  I have no doubt Mike has worked his usual magic... if the drivers looked like they wouldn't work well together, and I tried to build them anyways, Mike would tear off my leg and beat me with it.

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                  • #39
                    Re: Build Thread: The Bombers (SR71's become 3-ways)

                    If they measure (sound) like that PCD simulation those should be some wonderful sounding speakers.
                    Craig

                    I drive way too fast to worry about cholesterol.

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                    • #40
                      Re: Build Thread: The Bombers (SR71's become 3-ways)

                      Hey Lunch.. while you've got your tools out.. do you mind just building a second set while your at it? I'll be by to pick them up when you're done.. thx!:D

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                      • #41
                        Re: Build Thread: The Bombers (SR71's become 3-ways)

                        Here's the PCD plot again, since Mike's internet Kung Fu is weak.

                        I love how it dips slightly into the low highs, just what my ears dig.

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                        • #42
                          Re: Build Thread: The Bombers (SR71's become 3-ways)

                          Originally posted by lunchmoney View Post
                          Here's the PCD plot again, since Mike's internet Kung Fu is weak.

                          I love how it dips slightly into the low highs, just what my ears dig.

                          'Cept you have the RS270-8....

                          The sim is FLAWED! :D:p;)
                          **snicker!**
                          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*

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

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                          • #43
                            Re: Build Thread: The Bombers (SR71's become 3-ways)

                            Just to verify, this is using the RS-270 correct (the graphs are marked RS-180)?

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                            • #44
                              Re: Build Thread: The Bombers (SR71's become 3-ways)

                              Originally posted by PWR RYD View Post
                              If they measure (sound) like that PCD simulation those should be some wonderful sounding speakers.
                              [QUOTE=lunchmoney;1799222]Here's the PCD plot again, since Mike's internet Kung Fu is weak.

                              I love how it dips slightly into the low highs, just what my ears dig.


                              Originally posted by Wolf View Post
                              'Cept you have the RS270-8....

                              The sim is FLAWED! :D:p;)
                              **snicker!**
                              Wolf
                              Nomenclature, schmomenclature... It's the 270. :rolleyes::o
                              .

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                              • #45
                                Re: Build Thread: The Bombers (SR71's become 3-ways)

                                This project is developing nicely... watching with interest.

                                Great enclosure design Lunch...


                                I wish I had your sim-fu.
                                My projects
                                https://picasaweb.google.com/112307725038877176664

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