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  1. Just a crazy thought: Point the horn...

    Just a crazy thought:

    Point the horn forward and remove the cover from the HF driver and let that bounce around off the back wall. ?

    Barry.
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    It looks like you have lots of fun ahead of you!...

    It looks like you have lots of fun ahead of you!

    Barry.
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    Oh right thatís helpful. There are many...

    Oh right thatís helpful.

    There are many possible reasons this forum is dwindling in activity and this attitude just might be one of them.

    Barry.
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    Poll: Easy trigger! Who said anything about force.

    Easy trigger! Who said anything about force.
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    Poll: Oh man I hope she reconsiders. My mom just...

    Oh man I hope she reconsiders.

    My mom just had her lenses replaced at 72. Having crystal clear vision again changed her life in ways we never imagined. Sheís always been happy and active but now...
  6. Thread: Sub18

    by 1audiohack
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    Sorry Scott. I made some space. :) ...

    Sorry Scott.

    I made some space. :)

    Barry.
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    Hi Guys; Thank you Jeff. That shot is a...

    Hi Guys;

    Thank you Jeff. That shot is a D16R2441 at 2 meters.

    These files are not on my laptop. My home shop PC is packed in a corner but I can check the two at work to see what if any...
  8. Thread: Sub18

    by 1audiohack
    Replies
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    3,237

    I just ran impedance at 8V driven by the I-TECH...

    I just ran impedance at 8V driven by the I-TECH with a VI box and impedance peak is 26.7Hz.

    The ports are 12.75-13.Ē Long. The port radius is about 0.75Ē. Itís not exactly a radius as it has a...
  9. Thread: Sub18

    by 1audiohack
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    Hi Scott; Thank you for the files. We are...

    Hi Scott;

    Thank you for the files. We are smashed at work so itís late nights but I should get it loaded over the weekend.

    For now it is right next to one of the 4365ís with a 6dB low pass...
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    I havenít found my Yuichi tests but use this for...

    I havenít found my Yuichi tests but use this for food for thought. If I remember correctly the results were similar.

    Here is a JBL 4338 horn with a 2451SL with a generic LR24dB at 500Hz. With...
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    I just know I will catch hell for this, but,, on...

    I just know I will catch hell for this, but,, on mine I used a single cap, 3uF or 4.5uF.

    That alone got me +90% there. I will see if I can find the measurements. If I can you will be surprised....
  12. Thread: Sub18

    by 1audiohack
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    I found it for sure once. The download for a...

    I found it for sure once. The download for a SUB18 on a bridged I-TECH 5000HD. I donít recall exactly where for sure. I should have put it on a thumb drive then, but I didnít have a SUB18 at the time...
  13. Front Panel Express. Tons of options and so...

    Front Panel Express.

    Tons of options and so easy to use.

    Barry.
  14. Thread: Sub18

    by 1audiohack
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    Finally! Merry Christmas to me, and the...

    Finally! Merry Christmas to me, and the neighbors.

    This SUB18 is a monsta!

    I am trying it with my 4365ís and driving it with a bridged I-TECH5000HD.

    Today I could not find the...
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    Sticky: Another year has come and gone?!? Dang! It has...

    Another year has come and gone?!? Dang!

    It has been very quiet on the LHS financial front this year. Here is the end of year report.

    85565

    Thanks All!

    Barry.
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    If you have a big enough amp they will do what...

    If you have a big enough amp they will do what ever you tell them to do.

    They are employed in theater boxes tuned to 25Hz. With a little eq boost and enough amp they sound very good.

    ...
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    This is what I would use also. :) Barry.

    This is what I would use also. :)

    Barry.
  18. Hello Nick; My approach is a little...

    Hello Nick;

    My approach is a little different, but not totally. All this assumes everything you have is in proper working order.

    2206ís are very good mid bass-mid range driver in a pro...
  19. I have a pair of these and I like them quite a...

    I have a pair of these and I like them quite a bit.

    About a year ago the networks were still in stock in spare parts at JBL. They no longer show up as good part number but a call to pro service...
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    Hello Sonor! Welcome to Lansing Heritage. ...

    Hello Sonor!

    Welcome to Lansing Heritage.

    I have very little valve / tube experience to offer, sorry.

    I do have a friend with Apollo's that runs them with SAE amps.

    More than...
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    Ha! That makes it tough eh? Barry.

    Ha! That makes it tough eh?

    Barry.
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    Didnít he cut them shorter and port two of them...

    Didnít he cut them shorter and port two of them for super tweeters? Looks like a mill op to me.

    Barry.
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    Wow those are pretty! How do they sound! ...

    Wow those are pretty! How do they sound!

    Barry.
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    I bought a 4í X 100í roll of the stuff JBL uses...

    I bought a 4í X 100í roll of the stuff JBL uses /used from CTI? I am down to the point where I should order another. I will have to see if I can remember for sure where it came from.

    I donít...
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    I do. Iíve not used anything else. Barry.

    I do. Iíve not used anything else.

    Barry.
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