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The Cigarellos

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  • The Cigarellos

    These are a small cigar-box sized single driver speaker designed specifically for a desktop. I was looking for something to use in our small home office/craft room for my wife. The enclosures are a tiny 6.5x6.5x4.5" of 1/2" 9ply BB mitered at all joints with a 1" port and an fb of about 90. The f3/6/10 is about 90/80/70. The finish is just 3 coats of hand rubbed tung oil. Silly me, forgot to mention the driver. Though it is listed in the schematic. Dynavox LY401F The 90db is accurate too. This was the level I used to take all of the measurements.

    Edit: corrected circuit
    Attached Files
    Last edited by isaeagle4031; 07-21-2016, 08:13 PM.
    https://www.facebook.com/Mosaic-Audi...7373763888294/

  • #2
    Ohhhhh nice job! I'd like to see the finish cabs with rubbed oil.

    Dan

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    • #3
      Nice, smooth response. Don't recall seeing that driver used before. What's the second notch do?

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      • #4
        https://www.facebook.com/Mosaic-Audi...7373763888294/

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        • #5
          Originally posted by chrisn View Post
          Nice, smooth response. Don't recall seeing that driver used before. What's the second notch do?
          Tames the upper response just a bit. I could have used it to really flatten the top, but then the off-axis really suffered. So i backed off the resistor and let the top end rise a little.
          https://www.facebook.com/Mosaic-Audi...7373763888294/

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          • #6
            Originally posted by isaeagle4031 View Post
            Silly me, forgot to mention the driver. Though it is listed in the schematic. Dynavox LY104F

            Dynavox LY401F?
            Don't worry, if your parachute fails, you have the rest of your life to fix it.

            If we all did the things we are capable of doing, we would literally ASTOUND ourselves - Thomas A. Edison

            Some people collect stamps, Imelda Marcos collected shoes. I collect speakers.:D

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            • #7
              Originally posted by thekorvers View Post


              Dynavox LY401F?
              yep 401. fixed it, thanks.
              https://www.facebook.com/Mosaic-Audi...7373763888294/

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              • #8
                Chuck- I'm not seeing how that notch will work as you have it shown in the schematic. The way I see it- you'll be highpassing everything with that 0.22uF cap. Are you sure you have it drawn correctly?

                I've attached the transfer function of the schematic you've drawn.

                Later,
                Wolf
                Attached Files
                Last edited by Wolf; 07-20-2016, 03:20 AM. Reason: Added transfer function of schematic...
                "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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                • #9
                  Originally posted by Wolf View Post
                  Chuck- I'm not seeing how that notch will work as you have it shown in the schematic. The way I see it- you'll be highpassing everything with that 0.22uF cap. Are you sure you have it drawn correctly?

                  I've attached the transfer function of the schematic you've drawn.

                  Later,
                  Wolf
                  Good catch Ben. I goofed the schematic. That is supposed to be a series lcr in parallel with the driver. I will fix that. Got in to much of a hurry
                  https://www.facebook.com/Mosaic-Audi...7373763888294/

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                  • #10
                    Neat little build chuck ! I was curious about those drivers , how do they sound full range ?

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                    • #11
                      They sound quite nice. Need a sub to play low, but they are not fatiguing. I didn't design these for critical listening as they are mostly background. I am powering them with a stellar labs amp and really enjoy them
                      https://www.facebook.com/Mosaic-Audi...7373763888294/

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                      • #12
                        Edited first post with correct schematic
                        https://www.facebook.com/Mosaic-Audi...7373763888294/

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                        • #13
                          Just FYI, these are now available on the PE website.
                          Don't listen to me - I have not sold any $150,000 speakers.

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                          • #14
                            Thanks chuck , didnt expect much on the low end on these but neat to see a design using them , and JR , thanks for the heads up ! Danke

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                            • #15
                              That's a driver I've never seen before! Pretty neat little guy.
                              Isn't it about time we started answering rhetorical questions?

                              Paul Carmody's DIY Audio Projects
                              Twitter: @undefinition1

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