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    Hello Ian It's in "storage" until I resurrect...

    Hello Ian

    It's in "storage" until I resurrect a couple of systems I use it with 4344 and L250Ti Jubilee clone tops. I recently got a pair of bare stock boards from a kind member of the forum I...
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    Since you are building a passive crossover I...

    Since you are building a passive crossover I would not Charge Couple the high value caps used in the woofer filter Just use a low value bypass cap. Use the 4343/4345 schematic and set them up to use...
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    Here is another 4344 bi-amp thread. There are...

    Here is another 4344 bi-amp thread. There are others beside myself that have used Pro 24dB crossovers to good effect. Difference is they were adjustable and not fixed so you could shift the crossover...
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    https://www.lansingheritage.org/html/jbl/reference...

    https://www.lansingheritage.org/html/jbl/reference/technical/1983-subs.htm


    Rob :)
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    Just use masking or duct tape no need to use a...

    Just use masking or duct tape no need to use a temporary sealing compound

    Rob :)
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    Not all parts are the same size. Some may fit...

    Not all parts are the same size. Some may fit others may not.

    There is an attached appendix that lists the parts used for the layout.

    If you choose to use other parts verify the sizes.
    ...
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    What??? You can always temporarily install...

    What???

    You can always temporarily install ports of any length. I have done that when I wasn't sure which box tuning I was going to use. I typically use double flared. You just change the spacer...
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    Gotta laugh at "What else was there to do" Plenty...

    Gotta laugh at "What else was there to do" Plenty before pixelated crack became "manditory" to exist in society.


    Anyone can find lot's of new and great music if you take the time to look!

    ...
  9. I am using an Array 880 and love it! you might be...

    I am using an Array 880 and love it! you might be able to get one used at a decent price. My previous was a URIE 811C clone and the Array is even better.Rob :)
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    Hello BarryI was thinking of it as a vertical...

    Hello BarryI was thinking of it as a vertical wire guide leading to a winding head to keep the coil stack tight. Sort of servo controlled to move up/down as the winding head turns?? I have no idea...
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    Coil winding??Rob

    Coil winding??Rob
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    Still not uploading jpg??Rob or adding Emoji??

    Still not uploading jpg??Rob or adding Emoji??
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    Always last to the party Still broken!!!Rob :)

    Always last to the party Still broken!!!Rob :)
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    Hello Heather Nice to see a new DIY project on...

    Hello Heather

    Nice to see a new DIY project on the forum. Active vs passive that's a hard question considering you can get great results from both. Doing your own custom cabinets is certainly a...
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    Enjoy them those coaxials are great had an 811C...

    Enjoy them those coaxials are great had an 811C center for years!
  16. Bx-63 gives you +6 dB @ 26 Hz curve already...

    Bx-63 gives you +6 dB @ 26 Hz curve already posted.

    Rob :)
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    I have used Deoxit on loudspeaker pots and your...

    I have used Deoxit on loudspeaker pots and your right it works really well. I just spray it into the vents and give them a couple of turns. Must admit I have not taken them apart. Inside a speaker...
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    I run full active 4 way, bi-amp and passive...

    I run full active 4 way, bi-amp and passive set-up's. There is something to be said for the simplicity of a passive system but even they can have issues such as the dreaded Bi-amp switch and...
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    There have been people who have gotten it to work...

    There have been people who have gotten it to work using the referenced thread in updated Windows versions but it's no easy task. I tried it and gave up in a Windows 7. I have it on my original XP...
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    The 2445 has a phase plug very similar to the...

    The 2445 has a phase plug very similar to the 2440/41 and the 2446 has the Coherent Wave Phase Plug. You can easily see the differences. The CW has curved paths.

    Rob :)
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    Hello Heather Glad you got them. Should make a...

    Hello Heather

    Glad you got them. Should make a nice system! Do you have SL diaphragms in your 2445's?? As far as the 2216's being all that? I think you will be happy with them :) I know I was once...
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    He could also turn up the Mid, Hf and UHF pots up...

    He could also turn up the Mid, Hf and UHF pots up to increase sensitivity when bi-amping. Get a bit more headroom.

    Rob :)
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    Hello Widget The boundary switch worked and...

    Hello Widget

    The boundary switch worked and got the bloom out. The imaging is very similar but the spacing is not the same for each pair so comparisons are not exact. Both speakers extend out...
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    Is there a cabinet/enclosure label or system...

    Is there a cabinet/enclosure label or system label on the back??

    Take a look here might help

    http://www.lansingheritage.org/html/jbl/catalogs/jbl-catl.htm

    Rob :)
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    Looks like a field coil. It's really odd. What's...

    Looks like a field coil. It's really odd. What's the little knurled knob for at the end of the shaft?? It's kind of small?? Have no clue!

    Rob :)
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