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Thread: Project M2 DIY Thread

  1. #91
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    I suspect the quite small cabinet size of the M2 monitor is due to aesthetic and practical reasons. Quite sure both the 2216 and definately Al1501 would be happier in a much larger cabinet.

    Looking forward to play with some of your parts this summer Ari!

  2. #92
    Senior Member pos's Avatar
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    I did not have time to measure the 2540SL-Be of the M2 waveguide yet, but today I did some measurements comparing the original passive network (albeit with different resistors and caps brands) and a simple 30uF Solen cap, in an effort to get back those 9dB of passive attenuation and be able to use an amplifier with roughly 1/10 of the power...
    I can share the preliminary correction adjustments if anyone is interested.

    By the way, does any of you leave near Reykjavik?

  3. #93
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    Quote Originally Posted by pos View Post
    I did not have time to measure the 2540SL-Be of the M2 waveguide yet, but today I did some measurements comparing the original passive network (albeit with different resistors and caps brands) and a simple 30uF Solen cap, in an effort to get back those 9dB of passive attenuation and be able to use an amplifier with roughly 1/10 of the power...
    I can share the preliminary correction adjustments if anyone is interested.

    By the way, does any of you leave near Reykjavik?
    In fact I live and work in Fareo island right now, and my speakers and parts are in storage in Iceland
    are you going to Iceland?

  4. #94
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    That would be intresting to see Pos.

    I live approximately 3 hours drive north of Reykjavik. You are most welcome if you happen to be in the area!

  5. #95
    Senior Member pos's Avatar
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    I will be in Reykjavik the week after next, but only for 2.5 days, and for work... :'(

  6. #96
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    Quote Originally Posted by johanwholst View Post
    I suspect the quite small cabinet size of the M2 monitor is due to aesthetic and practical reasons. Quite sure both the 2216 and definately Al1501 would be happier in a much larger cabinet.

    Looking forward to play with some of your parts this summer Ari!

    I am also looking forward to meet you and make some speaker testing, there is also good to find someone in similar hobby like me in Iceland
    we will see how big enclosure 1501Al-1 need to get the best performance out of them, you can be sure at I am very excited to try them and also to see how good 476Mg will work on the M2 waveguide

    I like to know if 4313b have run his 476Mg on M2 waveguide, perhaps he have made it?

  7. #97
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    Quote Originally Posted by pos View Post
    I will be in Reykjavik the week after next, but only for 2.5 days, and for work... :'(

    there would have bin nice to meed you!

  8. #98
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    Quote Originally Posted by hlaari View Post
    there would have bin nice to meed you!
    Sorry for my poor spelling!
    I was going to say there would have bin nice to "meet" you

  9. #99
    Senior Member srm51555's Avatar
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    Quote Originally Posted by srm51555 View Post
    Thank you both. I'll be trying both methods, but probably the one POS recommended first because painting the kitchen is taking all of my time.
    Rob and friends,

    Kitchen is still not painted but I had some time and found my speaker cabinets seem to be tuned to around 25hz. Kitchen cabinets were found to be tuned much higher . I will be performing the method Rob has suggested soon.

    Thanks.
    Scott

  10. #100
    Senior Member ivica's Avatar
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    Quote Originally Posted by pos View Post
    I did not have time to measure the 2540SL-Be of the M2 waveguide yet, but today I did some measurements comparing the original passive network (albeit with different resistors and caps brands) and a simple 30uF Solen cap, in an effort to get back those 9dB of passive attenuation and be able to use an amplifier with roughly 1/10 of the power...
    I can share the preliminary correction adjustments if anyone is interested.

    By the way, does any of you leave near Reykjavik?
    Hi Pos,
    It would be nice if You can share the preliminary results with us.
    Regards
    Ivica

  11. #101
    Administrator Robh3606's Avatar
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    476Mg will work on the M2 waveguide
    It will work just fine

    Rob
    "I could be arguing in my spare time"

  12. #102
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    Come on guys, where are all the DIY M2 projects?!
    I want to see pictures. I want to see measurements. I want to read listening reviews!
    Surely, there must be many finished projects by now! I have only seen 2-3 finished projects, I think.

  13. #103
    Senior Member 1audiohack's Avatar
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    All my parts are still in boxes.

    Barry.
    If we knew what the hell we were doing, we wouldn't call it research would we.

  14. #104
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    I hit a hard wall, should of bought my D2 drivers when they were available.

  15. #105
    Senior Member srm51555's Avatar
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    Quote Originally Posted by bubbleboy76 View Post
    I want to see measurements.
    Just started the learning curve of this last night. Took the mic and Focusrite Scarlette 2i4 out of the box and verified they work when hooked up to the PC. I've never used REW or any other measurement tool before so it will be some time. Before I start this though I still need to find what frequency my cabinet's are currently tuned too for Rob (sebackman).

    Quote Originally Posted by 1audiohack View Post
    All my parts are still in boxes.
    After listening to the single 2216nd's your 2.5 version is going to be awesome.

    Quote Originally Posted by SMT View Post
    I hit a hard wall, should of bought my D2 drivers when they were available.
    In another thread Barry suggested that he went through other JBL pro dealers other than speaker exchange to receive his D2's.

    Thanks,
    Scott

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