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Thread: Building my dream system, need lots of advise!

  1. #226
    Senior Member jmpsmash's Avatar
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    Quote Originally Posted by JeffW View Post
    D8R2450SL or D16R2451SL

    They are calling the 16 ohm version discontinued, not sure if that's official or not.
    Interesting. The 2450SL is still available and not too expensive. Might try that.

  2. #227
    Senior Member jmpsmash's Avatar
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    Quote Originally Posted by Kreativlos View Post
    Honestly, if you're not satisfied with your current setup, it might be a design issue in general. Your System doesn't please you because the drivers aren't fine. They're quite quite good actually. So if you seek something else sound-wise, you may try a different Speaker Design with some of the key elements of your old design you liked. OR drastically rethink you design and the room, that surrounds it.
    I would probably go for route 2, but I like the Design itself a lot. I'm biased tho, since I listen to a three way with Fostex components, but same idea. 12 inch bass ported, horizontally wide dispersion horn and so does the tweeter. I love it, and I'll probably never go another way.
    I think you should try the route 1 and go for something like the M2, maybe with a super tweeter on top. It's the evolution of your old design and may be the right choice for you. You will still get plenty dynamic and detailed sound with smooth response and great micro dynamics. Thats just the Horn and big woofer style thing with quality drivers, the rest is about integration and how well the imaging is!

    Cheers
    As I mentioned in previous post. I am exploring STX825 horn with D2 (M2 driver). I am hoping it will give similar sound characters as the horns I have and have closer matching.

  3. #228
    Senior Member jmpsmash's Avatar
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    Quote Originally Posted by jmpsmash View Post
    Interesting. The 2450SL is still available and not too expensive. Might try that.
    actually, take that back. same availability issue that I pointed out. shop in FL only have one 2450SL diaphragm left in stock and I haven't found any available elsewhere. And while it maybe easier to find (maybe?) given how many ppl have it, it might end up be used or from someone extra stash.

    seems like approaching deadend if not already one.

  4. #229
    Senior Member Ian Mackenzie's Avatar
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    Quote Originally Posted by jmpsmash View Post
    Agree. They sound very good, but probably a bit beyond their prime and not in their best performance. I do like the sound of the combo, so much detail, microdynamic and smooth at the same time. Many friends who came and listen to them have commented that they are ranked some of the top they've heard. But personally living with them for a long time all the imperfections sticks out more than the perfections. And of course, there is the urge to continue explore and learn about what else is out there. And esp something within the modern productions.



    I think I understand what you are saying. I never was able to control it. And as a result there is certain disconnect and incoherence in the transition. That, and also the issue with a 2405 combined with 2441 transition. When they are far time aligned, there is no hope of phase alignment at crossover. And even when time aligned, it was still not smooth enough. I am expecting the D2430K solve that problem with dual diaphragm.

    great advise. I am still doing my research. plan is to try the STX825 first. see if I can work with the frequency variation. Then try the M2 one. Then I can decide which one to go with. I also learned a bit about the cabinet building and I think if I do decide to go with one of the two, I can build a new cabinet that will integrate the 2216ND1 and the horn into one neat package. Might end up with a 4367 clone, or M2 clone.
    There is a significant time / phase discontinuity with the woofer and the 2397 compression driver abs the 2405. That can be a potential problem on certain types of program material.

    I used the 2397 about 20 years ago and compared it to several other alternatives.

    In the end the 2123 with a 2307/2308 and the 2405 had the least objectionable issues and l discovered Jbl made a similar design. It turned out very well and l still use it. Set up correctly and with well chosen amplifiers you will mer to spend over $10,000 on a current Jbl system to match it. There are some cool derivatives using large format drivers and some dusted diagrams that people speak highly off.

    Sometimes in the search for the holy grail of diy loudspeaker you come across an engineered Jbl design that just works. Such a design is beyond the capabilities of diy audio amateurs because the original designer had access to professional resources and made a number of prototypes before settling on the final design.

    Some of the more contemporary Jbl designs are a cool clone idea for the audio amateurs but these designs in some cars are voiced for the Japanese market where different tastes exist for local markets.

    So there are no guarantees on what to expect with commercial any design or your own diy design.

    There are people who have come and gone with the notion of buying the most expensive soa Jbl drivers only to find the drivers being sold off later because they either lost interest in getting it together or some other reason. Getting a loudspeaker together is not easy and not to be taken lightly.

  5. #230
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    Quote Originally Posted by jmpsmash View Post
    As I mentioned in previous post. I am exploring STX825 horn with D2 (M2 driver). I am hoping it will give similar sound characters as the horns I have and have closer matching.
    Well, then good luck and please keep us up to date!

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