Tweaker's Asylum

• Re: Jordan 92X passive EQ thingie - Gerben 11:19:42 03/13/03 (0)
  In Reply to: Jordan 92X passive EQ thingie posted by DLCnyc on March 10, 2003 at 07:16:13:

  If I'm correct, the RC or RCL inseries can be used to give more bass by cutting frequencies from Mid and up.

  In Klang & Ton of september 2001 there's plan for making a speaker that radiates 360 degrees (excuse my english...), look at www. hifisound.de for Round About and you know what i mean!
  In the same issue there's also a suggestion for installing the JX92S in a vented or closed box using a combination of RCL and RL inseries with the following values:

  R1 6.8R 10W
  C1 22uF
  L1 0.68mH/1.4mm

  R2 4.7R 10W
  L2 1.0mH/1.4mm

  I have installed the JX92S in a 9 liter vented box with the above above values. I only have my ears to 'measure' and teh frequency reponse is even with a surprissing amount of bass (I will however also build the TL from Jordanspage).

  Gerben

  P.S. Also check out the Jordan Horn at the mentioned website. Suggestion for a RCL in the horn is only to use the above mentioned R1C1L1
  
  

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• The EQ circuit is designed for baffle step compensation... - hoxuanduc 07:48:34 03/10/03 (3)
  In Reply to: Jordan 92X passive EQ thingie posted by DLCnyc on March 10, 2003 at 07:16:13:

  which is only dependent on baffle size and speaker placement, not bass loading. So it should work for both ported and TL.

  
  
  

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  • Re: The EQ circuit is designed for baffle step compensation... - DLCnyc 08:00:52 03/10/03 (2)
    In Reply to: The EQ circuit is designed for baffle step compensation... posted by hoxuanduc on March 10, 2003 at 07:48:34:

    So, since I'm using a cabinet design that's different from the EJ Jordan design (significantly smaller baffle), the recommended EQ circuit probably isn't necessary, right?
    
    

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    • Actually, the opposite is true... - hoxuanduc 08:58:16 03/10/03 (1)
      In Reply to: Re: The EQ circuit is designed for baffle step compensation... posted by DLCnyc on March 10, 2003 at 08:00:52:

      If you want a smaller baffle, the amount of BSC is even more. If you don't want BSC, use the wall as the speaker box (Infinite baffle).
      
      

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      • Re: Actually, the opposite is true... - DLCnyc 11:47:13 03/10/03 (0)
        In Reply to: Actually, the opposite is true... posted by hoxuanduc on March 10, 2003 at 08:58:16:

        Yes. . .what I meant was that the values recommended for the circuit on the Jordan site wouldn't apply to me. . .I'll have to figure out my BSC circuit myself.

        I just came across some good resources (t-linespeakers.org has several articles) on BSC. I'll read up and post again if I have any more questions.

        Thanks,
        David
        
        

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• I meant series, not paralell - DLCnyc 07:18:39 03/10/03 (0)
  In Reply to: Jordan 92X passive EQ thingie posted by DLCnyc on March 10, 2003 at 07:16:13:

  the eq circuit is in series, not parallel. Sorry!
  
  

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