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  1. Thread: KM2

    by sebackman
    Replies
    317
    Views
    23,052

    Ian is of course right again. Here are 2261H...

    Ian is of course right again.

    Here are 2261H Thiele & Small parameters (scroll down).
    THIELE SMALL LOW FREQUENCY DRIVER PARAMETERS AND DEFINITIONS1016-1406 (harmanpro.com)

    Here you can make a...
  2. Thread: KM2

    by sebackman
    Replies
    317
    Views
    23,052

    Ian is spot on. Anti, you have received...

    Ian is spot on.

    Anti, you have received plenty of feedback and suggestions from very experienced people here in the LH forum.

    Yet you return with new forms of the same question, namely how...
  3. Thread: KM2

    by sebackman
    Replies
    317
    Views
    23,052

    Anti, There has been many good advise in this...

    Anti,

    There has been many good advise in this thread. You seem to want to go you own way and create "your " speaker as many of us have done. Good for you.

    When you embark on that route there is...
  4. Hi Gavin, I have tried/built many 2-way boxes...

    Hi Gavin,

    I have tried/built many 2-way boxes (+ sub) and you can achieve excellent results with some work.

    There are many 12" woofers to choose from. I have not had the chance to experiment...
  5. Replies
    11
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    1,089

    This is kind of a wishful thread. 4430/35 are...

    This is kind of a wishful thread.

    4430/35 are not on the same planet as M2.

    M2 is a integrated system. It is not unlikely that the development of the D2 was cost driven as opposed to use the...
  6. Thread: KM2

    by sebackman
    Replies
    317
    Views
    23,052

    It seems like XO and horn does play an important...

    It seems like XO and horn does play an important role in usage/sensitivity of the 045 family (Ti, Mg & Be).

    I agree that the spec says 2,83V and the graph (if level calibrated) seem to say 1V. ...
  7. Thread: KM2

    by sebackman
    Replies
    317
    Views
    23,052

    They appear to have different part numbers. ...

    They appear to have different part numbers.

    The K2 S9900 seem to use 365181-002 (93db system 045Be-1 XO 24db @ 15kHz) whereas the DD66000/DD67000 (96db system 045Be-1 XO 24db @ 20kHz) is stated as...
  8. Thread: KM2

    by sebackman
    Replies
    317
    Views
    23,052

    Hi Pos. No typo. They are very low sensi but...

    Hi Pos.

    No typo. They are very low sensi but also 4 ohms so in reality they are about 91db. And they do add some gain from the horns. I use K2 S9900 horns.

    At least that is what my measures...
  9. Thread: KM2

    by sebackman
    Replies
    317
    Views
    23,052

    JeffW, with that I totally agree. With all of it....

    JeffW, with that I totally agree. With all of it.

    Spending a lot of money and time, I would definitely follow your suggested path and get the best current (available) driver my wallet can...
  10. Thread: KM2

    by sebackman
    Replies
    317
    Views
    23,052

    Here I am :-) Earl is right. From the post...

    Here I am :-)

    Earl is right. From the post after the one you quoted Ivica there is data on the measure posted. I used a 4ms window which does not contain much data below 1k. A short window is used...
  11. Thread: KM2

    by sebackman
    Replies
    317
    Views
    23,052

    Dual 2216's would be a very good combination and...

    Dual 2216's would be a very good combination and very loud. Enough LF to kill a small Rhino at 20 feet... :-)

    I agree with all above, to go dual 2216 as opposed to a built-in 18". If you...
  12. Replies
    174
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    102,355

    That should be a good combination with a D2...

    That should be a good combination with a D2 driver or a 2450SL/2451SL driver.

    Huge upgrade compared to cone mid and a dome. That would bring you very close to M2 / K2 territory.

    DSP is a must....
  13. Thread: KM2

    by sebackman
    Replies
    317
    Views
    23,052

    Except for the impressing front view of those...

    Except for the impressing front view of those monsters I would stay clear of such combination. There is really no need for a 15" over a 18", even if it looks cool.

    I like the K2 S9800/9900...
  14. Jonas, pls check email. //Rob

    Jonas, pls check email.
    //Rob
  15. Replies
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    2,130

    As far as i remember they all have dual windings...

    As far as i remember they all have dual windings in the transformer. Parallell for 120V and series for 220V. No step-up needed.
  16. Replies
    1,670
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    916,388

    You can use any of the London Soundweb units with...

    You can use any of the London Soundweb units with the original JBL M2 macro exact as Jonas is pointing out above.

    The BLU-160 & BLU-800 series are modular and can accommodate 4 input or output...
  17. Replies
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    1,831

    Hi, Thank you for feedback. Earl K, that is...

    Hi,

    Thank you for feedback.

    Earl K, that is exactely my problem, I have gone from V2 to V3 and data is completely out the door.

    Too bad they did not specify how they solved it. I can't find...
  18. Good job. Now your driver are good for...

    Good job.

    Now your driver are good for annother 100 years! Excellent with pictures.

    Kind regards
    //Rob
  19. Replies
    4
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    1,831

    Help with 4" driver impedance plots

    Dear all,

    I just updated my impedance measuring SW and now I get impedance plots that are not entirely smooth like they used to be. The new SW does have better resolution and maybe that is the...
  20. Replies
    766
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    324,354

    Nice Flodstroem! They sure do look nice in...

    Nice Flodstroem!

    They sure do look nice in veneer. We did our black but when seeing your we should have done them that way. Excellent.

    Stay safe
    //Rob
  21. Replies
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    16,462

    Foam out. Soft wool felt in. 86237

    Foam out. Soft wool felt in.

    86237
  22. Replies
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    17,911

    Hi bubbleboy76, Thank you. I agree, I would...

    Hi bubbleboy76,

    Thank you.

    I agree, I would turn them in more if possible.

    The sides are both angled both inward and downward as much as the wall mount allows, please see better picture...
  23. Replies
    62
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    17,911

    Off the wall.....

    The room is about 5x8m and pretty decent when it coems to modes. 2x JBL SUB1500 subs do low end duty, one at the font of the room and one at the back.

    Electronics is still same old fully digital...
  24. Replies
    62
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    17,911

    In duty

    Here are a comparison between the old and the new. Slightly bigger but still acceptable by the Government.

    86223
    86224
  25. Replies
    62
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    17,911

    And 045 & total

    Here are some measurements of the 045 on the K2 S9900 horn incorporated into my butchered M2 horns.

    Also attached is a system plot on the full system.

    All these curves are taken outdoors on a...
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