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  1. Replies
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    They look lovely. And great details in the build...

    They look lovely. And great details in the build thread.

    2216ND for ~USD420 is a bargain
  2. Replies
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    30,706

    In terms of placement of the speakers, aside from...

    In terms of placement of the speakers, aside from symmetry in the room, the main factor on placement to be handled next is the bass response. My room is tricky and there are only some places where...
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    Speaker placement, and try to be as symmetrical...

    Speaker placement, and try to be as symmetrical as you can. I have a 20 ft wide front wall (wall behind the speakers). The speakers are 50 in from the front wall, and 45 in from the side walls. And I...
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    The 2450SL dia with aquaplas sounds smoother than...

    The 2450SL dia with aquaplas sounds smoother than the ribbed one.
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    1,400

    D8R2450SL is still available.

    D8R2450SL is still available.
  6. Replies
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    Very interesting discussion! I am on the time...

    Very interesting discussion!

    I am on the time alignment camp. Hard to achieve given all drivers are of different shape and depth. One would have to do what Dunlavy did, or have to resort to...
  7. Thread: 4367 Cabinet

    by jmpsmash
    Replies
    99
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    55,037

    How did you managed to get measurements so clean...

    How did you managed to get measurements so clean in the sub-150Hz region?
  8. Thread: L300 with DSP

    by jmpsmash
    Replies
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    2,079

    Agree. Even just something simple as the auto-EQ...

    Agree. Even just something simple as the auto-EQ in REW will produce a much flatter FR than any passive network can. Add back the original xover points and slope you will have a great combo. I did it...
  9. Thread: L300 with DSP

    by jmpsmash
    Replies
    20
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    2,079

    You just have to be careful when you do the...

    You just have to be careful when you do the frequency sweep. Whatever frontend (most likely a USB DAC or some sort) need to have a volume control. Before that, use your software to generate a sweep...
  10. sebackman, Thanks for the wonderful tips! I will...

    sebackman, Thanks for the wonderful tips! I will keep them in mind next time I change diaphragm, which I am contemplating swapping in another pair of D8R2450SL into my 2441. Given that the dia that...
  11. My bad. It's a typo. It is a D8R2450SL. Not...

    My bad. It's a typo. It is a D8R2450SL.

    Not sure if there is a difference between the two. Others might know.
  12. It certainly fits the 2450 as it is a D8R2450SL...

    It certainly fits the 2450 as it is a D8R2450SL dia.
  13. After spending a couple of hours playing music on...

    After spending a couple of hours playing music on this last night. Today I measured it again and H2 went down to -60dB. That's interesting!
  14. Here is the final FR and HD, and the little...

    Here is the final FR and HD, and the little measurement jig.
  15. My 2451 + D8R2450SL diaphragm installation method

    Installing JBL compression driver diaphragm

    Just want to share my experience and technique in installing a set of D8R2452SL into my JBL 2451J compression driver.

    I got a pair of 2451J from ebay...
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    Thanks. I will try it. (and it works )

    Thanks.

    I will try it.

    (and it works )
  17. Replies
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    8,147

    apologies for the formatting in my last post....

    apologies for the formatting in my last post. somehow all the new lines are not showing up.very strange.
  18. Replies
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    A bit late in reply, you probably went a...

    A bit late in reply, you probably went a different route but I will put it here for reference.I have tried using the 4367 network topology on M2 horn. I didn't replicate the charge coupling, didn't...
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    Incredible work. Thanks for sharing.

    Incredible work. Thanks for sharing.
  20. Thread: 4367 Cabinet

    by jmpsmash
    Replies
    99
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    55,037

    Just asked the usual source, 4367 Horn Lens no...

    Just asked the usual source, 4367 Horn Lens no longer available for purchase.
  21. Pretty much all items going for a fiver.I don't...

    Pretty much all items going for a fiver.I don't see anything there that makes me want to drive 2.5 hours to pick up for $5 though.
  22. Thread: 4367 Cabinet

    by jmpsmash
    Replies
    99
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    55,037

    Rob, Can you share what Björn have found out...

    Rob,

    Can you share what Björn have found out about the 4367 construction?

    I have the 2216Nd-1, it is in a larger cabinet at the moment. I plan to cut that cabinet down to the same volume as the...
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    Not exactly what you are asking for but... ...

    Not exactly what you are asking for but...

    90099

    D2430k/M2 horn on top in a repurposed cabinet that is there mainly for support.
    2216ND-1 in a 6.5cu ft cabinet which is larger than the 4367...
  24. @tommytoa, Do you mind sharing product link to...

    @tommytoa, Do you mind sharing product link to low noise 24v fans? I have problem finding them.
  25. How durable is Osmo compared to say lacquer or...

    How durable is Osmo compared to say lacquer or poly?
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