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    Yes you are right Mr.Widget, thats a common rule...

    Yes you are right Mr.Widget, thats a common rule for horns.
    Your input is much apprichiated. ManyThx.

    Just to state myself:

    Having a horn that big I'm trying to push the lowest possible xover...
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    Thats a high xover for a horn that big, the mouth...

    Thats a high xover for a horn that big, the mouth is more than half squaremeter.
    Or do you mean just to isolate the honky sound?
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    The x-over between midbass 15" and EV horn is...

    The x-over between midbass 15" and EV horn is 444Hz.
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    Hello Widget, The summe of some great...

    Hello Widget,

    The summe of some great components doesn't automatically turn out to be a great result.
    Most of us know that in one or the other way, nothing new here.

    That said you might...
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    Hello, Trying to give a short summary about...

    Hello,

    Trying to give a short summary about some speakerstuff that happend since last year.

    Last notice was the JBL2251 in de'appolito with the 2380 and 2450.
    Well I build that one but somehow...
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    2251j

    Hello again,

    awaiting some JBL 2251J to come.
    Planing to put them together with a 2450 on a 2380 in a pseudo de'appolito.
    planned xover is 150 to 200 for the 10" to the bass and about 700 to the...
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    Take the chance and get some ...

    Take the chance and get some
    https://www.parts-express.com/radian-1225-16-diaphragm-fits-most-jbl-1-16-ohm--294-722
    those are quite good.
    The dia with the diamonds is the newer type, often...
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    Right, it surely is. The 2" version with the...

    Right, it surely is.
    The 2" version with the snoot.

    The Horn is a EV HP64 or 94.

    The drivers are good stuff, worth keeping if you have a pair. Strongest 3" VC driver for its time.
    On the...
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    Speaker exchange replied allready, its a B spider...

    Speaker exchange replied allready, its a B spider in there recone kits for the 2122.
    That should be the right one.

    The 2123 is a complet different driver and even with a costumized xover
    it...
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    reconed

    Hi,

    the recone kit is assembled and has been messured.

    Distortion is no problem imo when used like intended above 290Hz,
    95dB k2 - 0,5% and k3 - 0,25 at 200Hz; 105dB k2 1% - 250Hz and k3 0,6%...
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    The used software was ARTA. Maybe the added...

    The used software was ARTA.
    Maybe the added mass, 97,6g, was not enough.

    Gonna do some testing later this year.
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    Acording to the JBL specs the 2245 got a Mms of...

    Acording to the JBL specs the 2245 got a Mms of 185g.
    When I had the aftermarket from speaker exchange,
    the mass of all moving parts was 120g.
    That wont work out to a Mms of 185g.
    The airload on...
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    E145 messurement

    I can put in some messurement of used E145 wich a friend, Oliver hoschibill, did last year.
    The units where old and used but in good working condition.

    Fs: 29
    Re: 6
    Qts: 0,2
    Qes: 0,21
    Qms:...
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    Maybe these are an option, ...

    Maybe these are an option,

    https://www.ebay.de/itm/8-each-Black-Allen-Hex-Screws-for-JBL-375-2440-2441-and-2482-Back-Covers/223735091874?hash=item3417a692a2:g:Tl8AAOSwv9hW4xJF

    keep it going...
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    I have one here, gib mir Deins dann sind wir...

    I have one here, gib mir Deins dann sind wir beide glücklich, what are you planning to build ?
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    simple 4344/45 xover needed

    Hello today,


    I found the issue for the peak in messurement of the 2426 with the Radian dias,
    The adjustment was incorrect. The other driver didnt have that peak
    so I keept searching, adjusted...
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    Monacor Monarch 250 sl

    That is a Monarch 250 sl from Monacor.
    There has also been a 300 sl but that one had bigger ribs.
    The term sl is for slot and there are also rd (round) versions
    wich are the bullet types and go up...
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    Hello, I would also be interested in some...

    Hello,

    I would also be interested in some Edgewound VC by original specs for 2122, four at least.

    thanks
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    Radian 1225-16

    Hello again,


    finally I got my hands on some Radian 1225-16 so I grabbed the 2426 and changed the dias,
    mounted them to the 2344 and made some measurement.
    Enough nice being said about the...
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    Thanks FE3T for the information and the warning....

    Thanks FE3T for the information and the warning.
    I'd rather go with the .290 edgewound even if it is to long.

    Had a long talk to a friend, JBL fan, and he recomended hardly not to
    take the...
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    Hello, last year I ordered recone kits for...

    Hello,

    last year I ordered recone kits for 2122 at speaker excange.
    After some emails they fitted the kit with a .290 edgewound VC for me.
    Thats not the .170 origin but the closest they could...
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    Hello, never heard the 2123, had the 2012...

    Hello,


    never heard the 2123,
    had the 2012 in a backloaded horn with a diy ribbon on top.
    Mad a decent bass all through the neighborhood,
    played house and lounge music for the folks around....
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    Thanks for help. I will give the 2202 both, a...

    Thanks for help.

    I will give the 2202 both, a lowshelf and a smaller housing.
    X-over is now at 170Hz.
    Even when playing loud it seems no problem, the cone isnt moving that much.
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    @FE3T: Your right, its meant to say "2240 to...

    @FE3T: Your right, its meant to say "2240 to 2245". Thanks for the correct input.

    @JBL4ever: Thanks you, I never knew about the 4512.

    But looking at that design I'd rather go with a sealed...
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    Hello, does somebody know if the JBL 2202...

    Hello,


    does somebody know if the JBL 2202 was mounted in another loudspeaker than the 4350/55?
    Did anybody run it deeper than the 290Hz of the 4355? Use it in another enclosure?
    Who else is...
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