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Thread: Small horn monitors

  1. #1
    Senior Member John W's Avatar
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    Small horn monitors

    I recently finished a pair of horn monitors and thought I’d share a few pictures. Going into the project I wanted something small enough to fit on the shelf in the family room and still have some of the dynamics of a larger horn system. The final boxes are about 18 x 20 x 10

    The speakers are two ways with 708g woofers on the bottom and 2407h on the top. The horns are similar to the ones in the 1200hz smith horn thread, but with a 45 degree Westlake lip.

    The 708g is a great little woofer and is used the L3, L5 and L7. It works well in a small ported box. The impedance is closer to 4 ohms than 8, though. I thought about hooking them up parallel with a network similar to a 4430’s, but was concerned about the overall impedance falling too low. In the end I decided to run the pair hooked up in series

    I tried both the small 2408h neo drivers and the 2407h. Of the two, I preferred the sound of the 2407h. They just seem a little more open and less constricted.

    The crossover is based on the NL200t3. I made a few changes to adjust for the horns and bring the crossover up to about 1200hz.
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  2. #2
    Moderator hjames's Avatar
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    What beautiful speakers - just gorgeous!
    I can imagine they sound quite nice!
    2ch: WiiM Pro; Topping E30 II DAC; Oppo, Acurus RL-11, Acurus A200, JBL Dynamics Project - Offline: L212-TwinStack, VonSchweikert VR-4
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  3. #3
    Administrator Mr. Widget's Avatar
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    John, your projects are always an inspiration... keep 'em coming.

    I'd love to see some pics of some of your furniture too... we'll have to talk.


    Widget

  4. #4
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    I like 'em! Would make really nice surround speakers.

  5. #5
    Senior Member macaroonie's Avatar
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    Very Tasty

    Lovely work John. Did you keep any pics of your work on the horn throats, I'm sure a few folks would be keen to see that.
    Mac

  6. #6
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    Wow, its beautiful. I wish my speaker have a wood horn like this.

  7. #7
    Senior Member SMKSoundPro's Avatar
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    What a wonderful project!


    I would like to see some more pictures if possible.

    More horn details, if you please.

    Great work!!!

    Congratulations on the success of your project!!

    Scotty.
    One step above: "Two Tin Cans and a String!"
    Longtime Alaskan Low-Fi Guy - E=MC² ±3db

  8. #8
    Senior Member John W's Avatar
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    Here is a picture of the horn out of the cabinet. It basically slips in a slot and is screwed from the back. There is small access hole for the 2407. It's a little tight.
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  9. #9
    Super Moderator yggdrasil's Avatar
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    Great looking speakers again John.

    I did have the question about the horn mounting, but you have just answered it very good.

    Keep the projects coming.
    Johnny Haugen Sørgård

  10. #10
    Senior Member John W's Avatar
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    Quote Originally Posted by toddalin View Post
    I like 'em! Would make really nice surround speakers.
    Your right there.

  11. #11
    Senior Member John W's Avatar
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    I had them upside down for a while, but found the duck look a little distracting.

    When doing some measurements I found the vertical beaming of the horns wasn't as pronounced as I thought it would be. The measurements on the bottom are made from the listening postion, moving vertically down from horn heigh to sitting position on the couch.
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  12. #12
    Member KromeDome's Avatar
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    Very Nice!!!

    Quote Originally Posted by John W View Post
    Your right there.
    Nice, nice, design John!

    "Mini Evlakes"...or how about "Everest AA66000"...

    ...or, worse yet, "Everest DoubleAA66000"....

  13. #13
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    sir, your work is outstanding!!!!!!!!!!!!!! while many of us have to buy our toys, you just make yours.... very nice indeed..

    best regards

  14. #14
    Senior Member Skywave-Rider's Avatar
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    Completely beautiful. How do you feel the dispersion matches at crossover frequency? I really think that could fit in a small apartment! (Sans sub.) Great.
    Is the horn in a separate chamber?

  15. #15
    Senior Member Hoerninger's Avatar
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    Very beautiful!
    May I call it "small Everest inverted"?
    ___________
    Peter

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