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Thread: Smith Horns

  1. #1
    LowFiRon
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    Smile Smith Horns

    Hello, It's me again!
    Does someone have plans for the Smith Horns?
    Thanks, Ron

  2. #2
    Senior Member Ralf's Avatar
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    I know what you are looking for...

    May be that is the solution for you:
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    Last edited by Ralf; 12-08-2003 at 08:11 PM.
    16 Hz can not be substituted

  3. #3
    Senior Member Ralf's Avatar
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    SUBHORN compression chamber

    ...
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    16 Hz can not be substituted

  4. #4
    Senior Member
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    As Hannibal Lector said to the detective...what will it be...

    Bowels in or Bowels out.......okay Bowels out then.

    Muhahahahahahahaha..................ha ha.

    Ian


  5. #5
    LowFiRon
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    Question

    Smith not Subfloor Horn. I've seen this picture before! Is there a finished picture?
    If I buy this house I'm in I could do something like that! There's about 2' of space below the floor joists and the dirt is easy digging. That and a wine cellar.
    the Smith horn is a 500Hz horn.
    Ron

  6. #6
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    Hello Ron,

    The Smith horn is also called the Distributed Source Horn. It is a diffraction horn for a 1 inch driver with 800Hz cutoff. It was designed for mono with very wide dispersion (140 degrees if I remember correctly) though I guess you could block off the outer "cells" to narrow it.

    I have a copy of this article. Send me a PM if you are still interested. I will have to find it, photocopy it, etc .

    Regards, Tom

  7. #7
    LowFiRon
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    Thumbs up Distributed-Source Horn

    Thanks Tom I got it. Happy Holidays!
    Ron

  8. #8
    Super Moderator Hofmannhp's Avatar
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    Cool Re: Smith Horns

    Does someone have plans for the Smith Horns?
    Thanks, Ron [/B][/QUOTE]

    Hi Ron,
    you mean the 2397....if yes, you'l find it in the JBL-homepage/or in this forum library under the data sheets for the 2397.
    There's a little drawing down right with all you need.

    HP

  9. #9
    LowFiRon
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    Smile Smith Paper

    Tom sent me an artical that Bob Smith wrote in the Audio Engineering Journal in January of 1951. I didn't read it when it came out because I coundn't read and I wasn't interested in audio at the time. I was 1yrs old!
    Thanks for the direction to the 2397's.
    Ron

  10. #10
    Senior Member maxwedge's Avatar
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    Photos of 2397's

    Hello Ron,

    I have a pair of the 2397's (sorry, not for sale) and If you'd like some close up photos to assist you, it would be no problem to send them to you. I could do some mesurements also. The photos are a bit big (2mb ea) to post here.

    And HI Everyone! I'm new here and a BIG JBL nut also, LOL


  11. #11
    LowFiRon
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    Smile 2397's

    Thanks Max,
    I have the drawing from the library. I don't see the deviders in there, the double ended things that section the inside of the horn. Maybe the 2397 doesn't have them.
    Do you have a digital camera? I don't want you to go to alot of trouble with a film camera. Post a picture for the forum!
    Ron

  12. #12
    LowFiRon
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    Red face

    [email protected],
    didn't see the last part of your post!
    Send away& thanks, Ron

  13. #13
    Senior Member maxwedge's Avatar
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    Sent a few pic's

    You know your going to need a throat. The only one's I know of are the 2328's for a 2" driver, and 2329's for 2-2'' drivers (a Y config). May be hard to find??? not sure.

    2397 and 2445 driver
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  14. #14
    Super Moderator Hofmannhp's Avatar
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    Re: Smith Horns

    Hi Ron,

    I think to know wheres your problem.....
    I will figure out the mesurements of the 5 dividers in the horn section. They maybe easy to work out from hardwood..
    Are you able to read AutoCad 2000 files? if not let me know and I send it as pdf-files or photo.

    HP

  15. #15
    Senior Seņor boputnam's Avatar
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    Re: 2397's

    Originally posted by LowFiRon
    ...I don't see the dividers in there, the double ended things that section the inside of the horn. Maybe the 2397 doesn't have them.
    Hey, Ron...

    The 2397 DOES have those vanes, and they are critical to proper dispersion. Widget spent quite a time modelling these for his wooden lipped babies...
    bo

    "Indeed, not!!"

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