Two recent WAW projects. Lots of repurposed drivers and wood (as is my preference). Both sound great to me, but the small BR cabinet with ScanSpeak full range and sidefiring woofer probably sound most natural. The bigger sealed ones need a bit of bass eq with the old Seas 10" woofer, but take the eq well with minimal cone movement.
Plenty of other completed projects in the same vein, if anyone interested.
Plenty of other completed projects in the same vein, if anyone interested.
chromenuts
I love the the baffle-less drivers picture on there! Would love to know more about the bass configuration you used. I've never heard that kind of bass, but instinctually, I imagine it would sound amazing and natural.Fullrange drivers with copper ring on the pole piece and paper cones with aluminum foil sandwich DIY.
In a Galala marble box. Bass reflex to 30 hertz.
Designed for corner placement, two drivers in 90 degree angle.
https://www.diyaudio.com/community/threads/corner-horn-meets-open-baffle-cfa.398842/post-7355867
In a Galala marble box. Bass reflex to 30 hertz.
Designed for corner placement, two drivers in 90 degree angle.
https://www.diyaudio.com/community/threads/corner-horn-meets-open-baffle-cfa.398842/post-7355867
Attachments
More comments about this arrangement are here in this thread where it is discussed in more depth:Would love to know more about the bass configuration you used. I've never heard that kind of bass, but instinctually, I imagine it would sound amazing and natural
https://www.diyaudio.com/community/...less-full-range-speakers.374043/#post-6705153
I originally encountered the arrangement reading a lengthy thread in Lenco Heaven several years ago here:
https://www.lencoheaven.net/forum/index.php?topic=31371.0
It worked well, but I ended up damaging one of my 18” AE dipole woofers playing some bass heavy Downtempo because I didn’t have a high pass filter set and the voice coil bottomed out.
My feeling is that the Dayton drivers discussed in the thread with high xmax would be better in this arrangement.
Swapped in the diminuative Giraffe ML-TL for Alpair 5.2/3 (CHN-50).
dave

dave
Well have some issues with single alpair 11ms. To me its seems to be a room mode issue. How to over come it?Yes and there I didnt feel any issues
Dave, what are those big speakers in the rear? I like the the sub woofers for legs, every rack should have sub woofer legs.
Depends. Typically i like them on the inside, but…
Room, placement, taste, biamp or passive...
dave
Room, placement, taste, biamp or passive...
dave
4 Alpair 12pw, 2 Alpair 7.3 (or 7p, but A7m and P7Hd should work fine).
Xo depends on parts quality, ours cost somethign like $2-300 CAD. I was in hospital at the time so don’t know the detail. The XO is at 250 hz and there are some big parts in it (240 uF caps for instance).
https://solen.ca/en/products/solen-fast-capacitors-pa24000-240uf-250v-metallized-polypropylene-film
dave
Xo depends on parts quality, ours cost somethign like $2-300 CAD. I was in hospital at the time so don’t know the detail. The XO is at 250 hz and there are some big parts in it (240 uF caps for instance).
https://solen.ca/en/products/solen-fast-capacitors-pa24000-240uf-250v-metallized-polypropylene-film
dave
If you were referring to the MTM speakers shown, IIRC the total for enclosures (including the custom quarter cut 4x10ft Sapele veneer) was approx $800 - drivers were from Dave’s dungeon tweak factory - and the XOs slightly higher than his remembrance due to the large plastic cases required for their outboard location.How much would that build cost, with crossover?
They needn’t necessarily be outboard, but I generally liked to isolate passive networks, and the enclosures were initially a POC build and a test of numerous amp/ XO configurations, and I was premature in finishing them before settling on the final XO design. At one point I had them running on an Onkyo HT receiver that offered full digital XO/biamping functionality, but at the end of the day, I found the passives delivered the most seamlessly integrated performance - driven by a Neurochrome Modulus 686, they suffered no lack of low end power or definition in Dave’s very large room.
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