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Midwest Audio Fest

It’s that time audio enthusiasts!

Registration for the 2019 Speaker Design Competition is now open! Visit midwestaudiofest.com for details and to list your speaker project.
We are excited to see all returning participants, and look forward to meeting some new designers this year, as well!

Be sure your plans include a visit to the Parts Express Tent Sale for the lowest prices of the year, and the Audio Swap Meet where you can buy and trade with other audio fans.

We hope to see you this summer!

Vivian and Jill
2 of 2 < >

Midwest Audio Fest

It’s that time audio enthusiasts! Registration for the 2019 Speaker Design Competition is now open! Visit midwestaudiofest.com for details and to list your speaker project. We are excited to see all returning participants, and look forward to meeting some new designers this year, as well! Be sure your plans include a visit to the Parts Express Tent Sale for the lowest prices of the year, and the Audio Swap Meet where you can buy and trade with other audio fans. We hope to see you this summer! Vivian and Jill
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No compromise center channel.

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  • #31
    Originally posted by filmslayer View Post
    in some what of the same attempt at no compromise i built this beast to match both mains and surrounds .... Click image for larger version

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    http://techtalk.parts-express.com/fo...-rs-p-wmtmw-cc
    Do you feel your Fc's are low enough to subdue any comb filtering or the dreaded sideways
    MTM dispersion? What are the Fc's? And I should have mentioned; perhaps any designs we post
    should have parts list and XO schematic for easy reference?
    Guess xmax's age.

    My guess: 15. His grammar is passable. His trolling is good.

    Comment


    • #32
      What my measurements showed was the mtm were close enough together that it worked as a single point source . The link underneath pic is of that build thread , XO and on/off axis measurements are in there
      Last edited by filmslayer; 01-03-2019, 01:43 PM. Reason: spelling
      Paper Towers
      RS180P/28F surrounds
      Boombox

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      • #33
        Lol , autocorrect sucks
        Paper Towers
        RS180P/28F surrounds
        Boombox

        Comment


        • #34
          Originally posted by civit View Post
          Honestly a passive cbt array would probably be best if you want big time output
          That's what I've had for roughly 12 years. It was the only configuration that would keep up with my line array mains in sensitivity and output, and by using the same drivers timbre is the same as well. I wouldn't recommend one if you don't have line array mains, though, as then they wouldn't be able to keep up with the center.

          www.billfitzmaurice.com
          www.billfitzmaurice.info/forum

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          • #35
            Originally posted by billfitzmaurice View Post
            That's what I've had for roughly 12 years. It was the only configuration that would keep up with my line array mains in sensitivity and output, and by using the same drivers timbre is the same as well. I wouldn't recommend one if you don't have line array mains, though, as then they wouldn't be able to keep up with the center.
            Is the HT center array on your website (and pictured in post #25) the array you refer to? 8 pro midranges and 8 tweeters?

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            • #36
              That's a six driver pair version. It can be made with nine driver pairs as well. They're not pro-sound drivers, they're inexpensive 4 inchers. I made mine with 'NSBs', for those who remember that far back.
              www.billfitzmaurice.com
              www.billfitzmaurice.info/forum

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              • #37
                Originally posted by billfitzmaurice View Post
                That's what I've had for roughly 12 years. It was the only configuration that would keep up with my line array mains in sensitivity and output, and by using the same drivers timbre is the same as well. I wouldn't recommend one if you don't have line array mains, though, as then they wouldn't be able to keep up with the center.
                If one was able to adjust for sensitivity, do you still feel a horizontal LA
                is a bad choice to "mate" with other types of mains?
                And what do you mean by pairs?
                Guess xmax's age.

                My guess: 15. His grammar is passable. His trolling is good.

                Comment


                • #38
                  It's not just sensitivity, it's also timbre and the inherent difference between point and line sources. By pairs I mean midbass and tweeter.
                  www.billfitzmaurice.com
                  www.billfitzmaurice.info/forum

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                  • #39
                    I have a box of NSBs and a bag o' Onkyo buyout tweeters if you want to make one.

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                    • #40
                      I know you like FaitalPro drivers. I'd like to see something with a few 5FE120s, don't know what your tweeter choice would be. Or for more of a full range speaker 4FE32 or the 4FE35 if you can tame the 8k peak it has. I've been thinking about a MTM center channel with 5FE120s and a Morel CAT308. I think that they'd voice nicely with with my current build, FaitalPro 8PR200 with CAT378.

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                      • #41
                        Originally posted by xmax View Post
                        Coaxial (the obvious first thing that comes to mind.)
                        No compromise rules out 2 ways and if you are limited to 6" or so high then that rules out a 3 way with a tweeter above a midrange leaving a tweeter+mid coaxial with 2, possibly 4, small woofers on either side as the configuration to consider.

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                        • #42
                          Originally posted by andy19191 View Post
                          No compromise rules out 2 ways and if you are limited to 6" or so high then that rules out a 3 way with a tweeter above a midrange leaving a tweeter+mid coaxial with 2, possibly 4, small woofers on either side as the configuration to consider.
                          I went up to 7.5" high or so and you have options here - nice 68-72mm tweeter and a 3.5ish" midrange. OR, use a morel mdm55 or whatever, although this won't go as low as you'd want ideally, it has output for days.

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                          • #43
                            New TB W6 Coax is looking pretty good so far...
                            Some kinda weird 3rd order stuff, the usual coax upper wrinkles,
                            but not nearly as bad as some. 2K LR4 seems no problemo
                            (I'm using active LR4 for this sweep). Click image for larger version

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                            Guess xmax's age.

                            My guess: 15. His grammar is passable. His trolling is good.

                            Comment


                            • #44
                              I have the GRT145 and 8BG51 and the RSS265HFs laying around...
                              Guess xmax's age.

                              My guess: 15. His grammar is passable. His trolling is good.

                              Comment

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