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Biumph and Fountek FR89EX/8 ohm 2.1 System

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  • #1

    Biumph and Fountek FR89EX/8 ohm 2.1 System

    Just wanted to show off my latest build. The Founteks are in Madisound's recommended 1.5 liter vented enclosure, and the Biumph is built per Wolf's plans.

    Overall I'm very pleased, but I'm a rank amateur so take that for what it's worth. I have a PE mic on the way and I hope to make some measurements soon. Next up will be a pair of Dragon Foals. I want to hear how the Founteks compare to a known design

    Thanks for the sub plans, Wolf! I really appreciate your contributions to the forum.

    Tags: None
  • #2
    Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

    How are those Fountek's?? I was wanting to build some small computer speakers to use here at work (have to fit in my backpack). I was considering the cheaper shiny ones, though.

    रेतुर्न तो थे स्रोत
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    • #3
      Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

      Cool. Really like the color and mat finish.

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      • #4
        Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

        Nice execution! I'll say that the color is...interesting;)

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

        ~Pink Floyd

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        • #5
          Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

          Looks good there, bud! Nice execution, and you're very welcome!

          Is that olive-drab/military-green?

          Let me know if you require any pointers on the DF, and please keep us posted with pictures!

          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

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          • #6
            Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

            Thanks, guys.

            greywarden - I'm really pleased with the Founteks - especially considering the small box they are playing in. I measured both with my WT3 and they were spot-on the factory specs.

            Wolf - Olive Drab it is. I'm fixing up a ratty old motorcycle and had a few cans laying around. :D BTW - how much stuffing do you recommend? I placed a few handfuls in enough to mostly fill the box. I didn't compress the stuffing nor loosen it up much either.

            On to the Dragon Foals next week. I'm trying to decide if I should build a nice box, one like I used on this build, or maybe even put them into a piece of 6" dia PVC pipe.

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            • #7
              Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

              Very nice! Be perfectly at home in an old "rat rig".
              Don't listen to me - I have not sold any $150,000 speakers.

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              • #8
                Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

                Originally posted by KLR View Post
                On to the Dragon Foals next week. I'm trying to decide if I should build a nice box, one like I used on this build, or maybe even put them into a piece of 6" dia PVC pipe.
                You can't change the size of the face unless you rework the design. If you lengthwise the PVC cut, you can make them taller and place the port on the front, but that would look funny.

                My vote is for nice boxes.
                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

                • #9
                  Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

                  In case someone was thinking I was insulting the finish in any way, keep in mind my father spent over twenty years in the military running a Rat Rig.

                  I apologize if it appeared I was making light of the olive drab finish.
                  Don't listen to me - I have not sold any $150,000 speakers.

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                  • #10
                    Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

                    Advice: Build the Dragon Foals in an enclosure exactly the same size and shape (finishes may vary) as the original. The shape of the baffle can have a serious effect in the lower midrange, and using a differently-shaped baffle can cause some issues. The most critical dimension to maintain is the width but the height can also affect the low-mids.
                    Best Regards,

                    Rory Buszka

                    Taterworks Audio

                    "The work of the individual still remains the spark which moves mankind ahead, even more than teamwork." - Igor I. Sikorsky

                    If it works, but you don't know why it works, then you haven't done any engineering.

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                    • #11
                      Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

                      Okay, stick to the plans it is.

                      Johnny - No offense taken here. A guy who will paint speakers OD doesn't take himself very serious anyway...;)

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                      • #12
                        Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

                        I measured the Founteks tonight. Keep in mind it's my first-ever attempt to measure a speaker and it was taken in my basement with my family moving around upstairs. However, I measured one of my Overnight Sensations and it was nice and flat, so maybe I'm on the right track.

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                        • #13
                          Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

                          Originally posted by KLR View Post
                          I measured the Founteks tonight. Keep in mind it's my first-ever attempt to measure a speaker and it was taken in my basement with my family moving around upstairs. However, I measured one of my Overnight Sensations and it was nice and flat, so maybe I'm on the right track.

                          Is that the fountek or the OS system? Either way, it's pretty nice and from a voicing standpoint probobly really nice to listen to on axis.

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                          • #14
                            Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

                            Originally posted by Mayhem13 View Post
                            Is that the fountek or the OS system? Either way, it's pretty nice and from a voicing standpoint probobly really nice to listen to on axis.
                            This is the Fountek.

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                            • #15
                              Re: Biumph and Fountek FR89EX/8 ohm 2.1 System

                              It would appear that this driver is small enough to not be affected by the dreaded off axis issues of FR range drivers. I'll leave the discussions of energy storage to someone else....if it sounds good then it is good!:D

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