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Introducing: The Pit Vipers (Ooh Yeah!!!)

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  • #61
    Glasgow, Ky

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    • #62
      Any more updates Paul ?

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      • #63
        Here's where my thoughts are at right now.

        What I have right now is a damn good party speaker. In fact, it's so much better than just a party speaker. The imaging and overall timbre in the midrange and treble sounds "like me" and as with most of my designs, sounds good even with less-than-good recordings. The bass I'm still playing with; it's in "party speaker" mode right now, so there's a push of a few dB around 55 Hz. I want to experiment with tuning it lower and also checking how it sounds sealed, but haven't gotten around to it yet. (part of the problem is that when a speaker sounds really fun, you just kind of want to listen to it, and not mess with it) Also, Paul K and I have been discussing a folded TL, which would require a slightly deeper cabinet, but would probably offer a smoother bass response for the more "serious" listeners. So that may be a smart option as well.

        Also, I still do want to try the Dayton GF midwoofers, but don't know when I"ll get around to it. Maybe I'll hit up someone with a CNC in the next few months, I dunno.

        So....

        What I'm thinking is publishing this, the party speaker version, as Version 1.0. And if people want to take advantage of the summer weather and build a pair, they can join in the fun! Then, as time goes on, I can work on adapting it--or opening it up to suggestions. It's like... I think about popular software platforms like Minecraft or whatever; and it's like sometimes you just gotta put it out there so people can enjoy it, and then tweak as time goes on. What good does it do if it's just sitting on the developer's hard drive, and no one gets to enjoy it?

        So I'm going to work on doing a quick and dirty writeup for my site, and put it out there. And as the saying goes: "we'll go from there."
        Isn't it about time we started answering rhetorical questions?

        Paul Carmody's DIY Audio Projects
        Twitter: @undefinition1

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        • #64
          Sounds fantastic Paul.
          I'm looking forward to traveling on this journey.
          As before, if you need something made, just let me know and I'll try to help.

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          • #65
            And we're live!

            https://sites.google.com/site/undefi...ers/pit-vipers
            Isn't it about time we started answering rhetorical questions?

            Paul Carmody's DIY Audio Projects
            Twitter: @undefinition1

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            • Steve Lee
              Steve Lee commented
              Editing a comment
              Nicely done, Sir Carmody!

              I love big speakers . . .

              :D

          • #66
            Wonderfully done sir !!!
            This is the speaker I'm building !
            Would you possibly be able to post a BOM, including values and part numbers fir the crossover components please ? These are the parts I have the most trouble with.

            Thank you again for sharing your designs with us.

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            • #67
              You might want to edit your crossover schematic. It shows the red and black speaker terminals shorted together
              Craig

              I drive way too fast to worry about cholesterol.

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              • fpitas
                fpitas commented
                Editing a comment
                That's going to take a VERY powerful amplifier

              • Paul Carmody
                Paul Carmody commented
                Editing a comment
                Oops!! Thanks for the heads-up. Fixed.

            • #68
              Originally posted by PWR RYD View Post
              You might want to edit your crossover schematic. It shows the red and black speaker terminals shorted together
              I noticed that also. The crossover part is where I have the most trouble understanding. The simpler and most detailed it can be, the easier it is for me to figure out.

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              • #69
                Very nice Paul!
                Very curious to see the folded TL that Paul K and you have been discussing.

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                • #70
                  Monkey coffins are just fine with me, I remember seeing the huge Cerwin Vega's growing up and wishing I had a pair in my bedroom. The Pit Vipers look great!

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                  • #71
                    Originally posted by cambe View Post
                    Very nice Paul!
                    Very curious to see the folded TL that Paul K and you have been discussing.
                    Me, too!
                    Paul

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                    • Paul Carmody
                      Paul Carmody commented
                      Editing a comment
                      I'm not done with you yet, Mr. Kittinger! I just wanted to get this version out the door first. We will speak soon!

                    • Paul K.
                      Paul K. commented
                      Editing a comment
                      I know. Just kidding around. BTW, what is the resistance value of the 5.0-mH inductor in the woofer's crossover? I only ask because it affects Qts, which in turn affects the optimum system tuning frequency for the TL I've modeled for you.
                      Paul

                  • #72

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                    • #73
                      HELP PAUL PLEASE
                      I'm hooked on these speakers. Just need to get an order done.
                      Please post a BOM ( especially crossover components part numbers ).
                      I'm begging here !!!!

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                      • #74
                        Maybe Mr. Carmody can get you know who to put out a component kit.

                        Maybe even parts express, with a flat pack. Wow, think of that.

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                        • #75
                          I'll buy all the components separately......... I just need to know WHAT to buy !!!😕

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                          • djg
                            djg commented
                            Editing a comment
                            Right now, PE is back ordered on any big laminate core inductors, so back to the Serenity Prayer.

                          • djg
                            djg commented
                            Editing a comment
                            !!!!!

                            https://www.parts-express.com/Peerle...eeter-264-1022

                            It appears they are available elsewhere.

                          • Geoff Millar
                            Geoff Millar commented
                            Editing a comment
                            The driver details and XO parts values are all there in Paul's write-up, the only things to consider in a full BoM would be which gauge(s) of inductors to get - and the i-core is already given - and what brands and types of capacitors, e.g. whether NPE or film, depending on the value and where they are in the circuit.

                            Geoff
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