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    The 2241s are factory retained in theater and SR...

    The 2241s are factory retained in theater and SR enclosures with 10/32 fillister head Phillips screws which have a head diameter of 0.300

    Barry.
  2. Thread: Jbl 4349

    by 1audiohack
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    I would love to hear these. Made in CA? ...

    I would love to hear these.

    Made in CA? Hell yeah!

    Barry.
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    I have often seen X max as measured by the...

    I have often seen X max as measured by the maximum amount of travel that there is always coil filling the gap, in an overhung design as in this example. A 10mm top plate with a 20mm coil gives 10mm X...
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    That's my bet as well. Barry.

    That's my bet as well.
    Barry.
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    I wonder if Kenny at Upland Loudspeaker could...

    I wonder if Kenny at Upland Loudspeaker could re-create them?

    Barry.
  6. Hello Rune; It has been very windy here all...

    Hello Rune;

    It has been very windy here all weekend. I will get at this next weekend.

    The good Community stuff is indeed now hard to find. You pretty much end up buying someones whole...
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    I am sorry sir I honestly have none. Barry.

    I am sorry sir I honestly have none.

    Barry.
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    Hello Olaf; I had a pair of kits on the...

    Hello Olaf;

    I had a pair of kits on the shelf for many years.

    I have never worked with Aquaplas either. I can offer no advise there. :(

    I am interested in how this project goes if you...
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    Hello Olaf; I built a couple of GTI 1200s...

    Hello Olaf;

    I built a couple of GTI 1200s last year. I also had some C8R2206 kits and compared them carefully. As near as I could tell the spiders and surrounds are the same. Like you say the...
  10. Hello Rune; I have Community Levi mid bass...

    Hello Rune;

    I have Community Levi mid bass horns in one of my systems. These are 30 deep and 33 X 33 at the mouths. They use two 15 mid bass drivers.

    Above them are Community BRH90 mid...
  11. Hello Herman; Sorry to be so slow. ...

    Hello Herman;

    Sorry to be so slow.

    Looking at several of the JBL 12 drivers with harmonic distortion being a principal concern it is nearly impossible to really tell if the 2023 is much...
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    clwinbe "Back in 1987, my little nose was...

    clwinbe

    "Back in 1987, my little nose was always pressed against the window of the Hi-Fi shop in Ogden UT"

    HA! Me too. That was the year I started buying JBL, there. I miss that store.

    ...
  13. Hi; How low do they have to go and how big...

    Hi;

    How low do they have to go and how big can they be?

    Barry.
  14. Hello Herman; The 2023H has 0.300 longer...

    Hello Herman;

    The 2023H has 0.300 longer voice coil than the 2020H (0.900 verses 0.600) and is better suited for higher excursion / lower frequency use. At domestic listening levels,...
  15. Hello Todd; Here is a link to m-noise. If...

    Hello Todd;

    Here is a link to m-noise. If you haven't already, give this a read.

    https://m-noise.org/

    I have begun using this as a test metric because I also want to quantify sound...
  16. Thread: the 4th!

    by 1audiohack
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    2,937

    the 4th!

    Happy independence day America!!

    244 years!

    All my best to you friends.
    Barry.
  17. I have no experience with the Dunalvs. I do have...

    I have no experience with the Dunalvs. I do have 1400 Arrays and 4350s.

    As you have undoubtably read the 1400s deliver on the imaging front, they excel there. Punch? Nope. The driver...
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    Good save! 2360s are super nice horns. ...

    Good save! 2360s are super nice horns.

    Barry.
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    Super cool! Do have any pictures of the...

    Super cool!

    Do have any pictures of the rest of it?

    Thanks for sharing. :)

    Barry.
  20. Ha Im always late! I built my daughter a...

    Ha Im always late!

    I built my daughter a pair of 4333As from a pair of hacked of JBL cabs that came out of UCLA 100 years ago.

    We ran a ton of parts through these. Started with 2235, 2420...
  21. Thread: Sub18

    by 1audiohack
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    Hello Paul! The I-TECHs are currently out in...

    Hello Paul!

    The I-TECHs are currently out in the garage, driving a Danley system.

    I have been meaning to build a rack with a fairly simple labyrinth in the rear for air entry and exit lined...
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    Hello Guf; Welcome to Lansing Heritage. ...

    Hello Guf;

    Welcome to Lansing Heritage.

    There is a ton of information and knowledge here. What we dont have is a whole bunch of people who will talk about something they know nothing...
  23. I understand no one is trying to run me off and...

    I understand no one is trying to run me off and thank you for saying it anyway. :)

    I just dont want to waste our collective time.

    If one uses a current monitor and compares the current...
  24. Since this thread started about dynamics, I was...

    Since this thread started about dynamics, I was talking about available voltage. I think you and Mr Elliot are focusing on power dissipation.

    Im a dynamics guy. Others focus on micro details....
  25. Thank you Ian. Nice read. It seems that Mr...

    Thank you Ian. Nice read.

    It seems that Mr Elliot and I are in agreement.

    Barry.
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