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  1. Your right it will image better out from the...

    Your right it will image better out from the wall.

    If you want to get fussy there are some interesting baffle diffraction modelling programs that predict the midrange response of the driver...
  2. Its entirely up to you what you end up doing. ...

    Its entirely up to you what you end up doing.

    However, with the 2397 as wide as it is (660mm or 26 inches wide ) I would shoot for an external enclosure what wide....
  3. Its entirely up to you what you end up doing. ...

    Its entirely up to you what you end up doing.

    However, with the 2397 as wide as it is (660mm or 26 inches wide ) I would shoot for an enclosure of that width....
  4. Another approach is to pick the minimum...

    Another approach is to pick the minimum acceptable enclosure size for the driver and tune the system in accordance with a maximally flat alignment.

    Then apply low frequency EQ using either a...
  5. In the diy space you have freedom to select your...

    In the diy space you have freedom to select your own enclosure alignment.

    There are no cost, aesthetic or marketing constraints.

    A properly tuned bass reflex enclose will only differ in bass...
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    Have you trialed that woofer in your listening...

    Have you trialed that woofer in your listening environment?

    You are making too many assumptions in an attempt to settle on a design before you cut timber.
    It doesn’t work that way. You can’t...
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    Hi Olaf, If you have a look at the DD67000...

    Hi Olaf,

    If you have a look at the DD67000 user manual and specifications JBL specify the mid woofer should be placed on the inside for correct imaging.
    JBL also mention the system can be used...
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    You can easily determine this with a modular...

    You can easily determine this with a modular loudspeaker project.

    That said the sensitivity to a variation in the distance between left and right drivers is going to increase where the listening...
  9. If you are going the 2216ND-1 route that all...

    If you are going the 2216ND-1 route that all makes sense.

    Btw there is a lot of opinions across all this diy Audio space. One mans paradise is another mans nightmare!!
    I used the 2397 for years...
  10. If you want to try this l can post the schematic....

    If you want to try this l can post the schematic.

    To attempt a passive crossover at 5000 hertz for both the horn and the Fostex would be quite complicated in this diy situation and would cost you...
  11. In the short term you could improvise by moving...

    In the short term you could improvise by moving the Fostex crossover point out to 9000 hertz and use a 3rd order high pass filter like Jbl used for the 2405 slot radiator.

    The horn does not need a...
  12. On the basis your measurements are correct the...

    On the basis your measurements are correct the issue is both drivers outputs should not be overlapping in the pass band.

    The horn compression driver requires a low pass filter @5000 hertz. A 3rd...
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    I was listening to a live Jazz quartet last night...

    I was listening to a live Jazz quartet last night at a local venue. Only the vocals and the Hammond organ were amplified and as you might expect was the only thing coming from the centre.

    There...
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    Part of the issue is people’s brains visualise...

    Part of the issue is people’s brains visualise via the optic nerve and that influences the perception of localisation.

    They listen with their ��.

    The Everest woofers are angled slightly...
  15. You will find building an enclosure and trialling...

    You will find building an enclosure and trialling it in your proposed listening room in different locations more meaningful.
    One mans magazine curve can be a music lovers listening nightmare.
    ...
  16. Stay in the 130-145 Lt and a tuning range of...

    Stay in the 130-145 Lt and a tuning range of 27-34 hertz range and add an LF shelf boost to obtain the desired bass response.(2216nd). In a commercial product they can’t please everyone in every...
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    I have spend considerable time with an Everest...

    I have spend considerable time with an Everest DD67000 user trying the reversal of the woofers and other adjustments.
    It really depends on the listening room and how the enclosures are located...
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    Perhaps the OP does not appreciate the Day the...

    Perhaps the OP does not appreciate the Day the Earth stood still around here was the day after the last driver rolled of the line at Northridge.
  19. I come back to my final points. Don’t...

    I come back to my final points.

    Don’t overthink the design.
    The OP will need to do practical investigation.

    A thread like this is only a discussion of suggestions and considerations. It is...
  20. One of your considerations will be how you stack...

    One of your considerations will be how you stack the enclosures?

    With 20 ft wall you will have either woofer enclosures upright or on the sides.
    With that in mind you will want to space the horn...
  21. There is no real time line with diy Audio. ...

    There is no real time line with diy Audio.

    What matters is you complete your project and achieve the desired outcomes.

    I encourage you to be hands on and do your own investigations. That way...
  22. Your ideas are good. The gap is the...

    Your ideas are good.

    The gap is the acquisition of the 2235 woofers.

    Talk to Edgewound at Upland Loudspeaker Repairs about getting old of some woofers or building up some woofers.

    If you go...
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    If you can tell us more about your overall system...

    If you can tell us more about your overall system it would help an appropriate response.

    There are phono stages and turntables that feature an AD conversion. Is it a compromise? That depends on...
  24. The original 4331a was a good monitor in its day....

    The original 4331a was a good monitor in its day.

    You are most likely right about classical music limitations.

    If you can obtain the 2345 try it but be prepared to listen to several different...
  25. Derek It depends how stable the 510M is at...

    Derek

    It depends how stable the 510M is at high power levels? Does it have VI current limiting or other protection.

    You know you can buy a superior Dayton sub plate amp with more power, dsp...
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