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  1. Time gated measurements @1m.

    Time gated measurements @1m. <700hz omitted for this reason.

    Black = on axis
    Green = listening window
    Red = Early reflections

    https://i.ibb.co/xz5X2nr/spinhr.jpg
  2. Thanks! Here is my latest result after about...

    Thanks!

    Here is my latest result after about 10 hours of measuring and dialing in the system. It is an average of around 8 measurements from both speakers around my exact listening position.
    2nd...
  3. Latest measurements of my system. Purchased a...

    Latest measurements of my system. Purchased a Dayton DSP 408 to fool around with, which is a relatively cheap unit but with potential nonetheless.

    JBL 2213nd (24dB octave low-pass @ 1000hz)
    JBL...
  4. Thread: JBL4502 pair

    by TimVG
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    9,775

    As these are rare in Europe, they may go for...

    As these are rare in Europe, they may go for €2000. As mentioned they may likely need servicing (new surrounds on the woofers, crossover check-up, the LE85 has foam in its backchamber that will...
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    After testing, and listening to, many different...

    After testing, and listening to, many different speaker models from various sources, my preference went and goes out to speakers that remain relatively flat (or well behaved at least) through the...
  6. Match in timbre is good between the compression...

    Match in timbre is good between the compression driver and the 2213nd. I agree one or two 15" woofers would lift the system to a different level, but there is a size constraint. I still have two...
  7. Already replaced the 123A with the 2213nd! :) See...

    Already replaced the 123A with the 2213nd! :) See my post above.
  8. Today I installed the 2213nd-1 pair into my...

    Today I installed the 2213nd-1 pair into my cabinets. The difference is not subtle and required a total recalibration of the system. Between 100hz and crossover (1250hz) the system has gained about...
  9. While I'm completely loving this system. I always...

    While I'm completely loving this system. I always try to get my hands on a spare part - just in case. Since (in terms of max SPL) the weakest link is the 123A.. Guess what I bought.
    ...
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    Like all things.. it depends. If you want wide...

    Like all things.. it depends. If you want wide and even dispersion, I would not cross it much above 2~khz (and preferably a bit lower ..1600-1800.. Not sure if any JBL tweeter can go this low though...
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    Hi Ian I also agree that it takes some...

    Hi Ian

    I also agree that it takes some know-how to pull of an active crossover, and you certainly won't fine-tune it in one evening. But I'm just not sure if I agree that it's that difficult to do...
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    Any member who by any chance has a 2405 sitting...

    Any member who by any chance has a 2405 sitting around disassembled and willing to take a couple of photographs for me? Rather not do it to mine with the wax seals intact..
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    No prototypes yet. First I'll provide some quotes...

    No prototypes yet. First I'll provide some quotes as what to expect price wise, and if there is enough interest then, I'll get my hands on some more 2405s to take measurements.
    I have a pair of...
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    I thought that could be the case! My main concern...

    I thought that could be the case! My main concern would be making sure that everything fits as it should for all potential buyers.
    That means getting the correct size for reference, and not...
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    In the meanwhile. If anyone has any clear...

    In the meanwhile. If anyone has any clear pictures of the different parts (phase plug, waveguide, bracket) of the 2405 (preferably front and back) in dismantled state.. Feel free to post them, I'd...
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    Hi Chris Prices at Kenrick seem indeed to be...

    Hi Chris

    Prices at Kenrick seem indeed to be more fair - although still on the high side for my taste. Since I've seen the 2405 mentioned two times already, it would perhaps be a good candidate...
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    I'll see if I can find some technical drawings of...

    I'll see if I can find some technical drawings of JBL horns. For something like the 2307 - I'd aim to achieve a price of around the $300-400 mark for a pair in stainless or bronze instead of the near...
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    Replicating the parts of the 2405 would be no...

    Replicating the parts of the 2405 would be no problem whatsoever from a technical POV.. Or most parts for that matter.. Even something like the M2 waveguide is perfectly possible (although that may...
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    For those interested. I recommended the Hypex...

    For those interested.
    I recommended the Hypex plate amps for the following reasons:
    -Saving space (was preferable to Max)
    -Integrated DSP (crossover, time alligning, taming low range modes, ..)...
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    Stainless/bronze/brass horns?

    Dear folks


    I've just noticed on ebay that there are being offered stainless steel, and bronze copies of JBL horns .. at ridiculous prices.


    I'd just want to put it out there that as a...
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    How deep (and at what volume) a driver can play...

    How deep (and at what volume) a driver can play depends on all of its TS parameters and not on size alone.
    Also the 4310/4311/.. were hardly flat in the low range :-)

    Maybe if you could locate...
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    You may want to look at Anaview ALC amplifier...

    You may want to look at Anaview ALC amplifier modules (used by amphion, parasound, ..) They are studio grade class D modules and sound great, not difficult to build (many guides), and are not very...
  23. I'm not worried about it. Probably a combination...

    I'm not worried about it. Probably a combination of the high energy loss of the omnidirectional microphone (UMM-6) I use, combined with the fact that the tweeters are about 15° off axis (vertical)
  24. Fooled around a bit further with time alligning,...

    Fooled around a bit further with time alligning, gain, .. dark arts..

    While the individual response of the speakers hasn't altered much, there is now only one filter in place on both woofers to...
  25. https://s26.postimg.org/7130mh1qt/image.png...

    https://s26.postimg.org/7130mh1qt/image.png

    Left and right speaker average response of a couple of measurements around the listening position. There are a couple of filters in place to dampen some...
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