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justinsweber

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Everything posted by justinsweber

  1. Echo Link Amp - Stream and amplify hi-fi music to your speakers... Seems silly good for streaming. Would need a phono stage but that's pretty easy to find and add.
  2. You might search ALK he is widely known on this forum. His testing procedures are extensive. Additionally, yes he and I and other have tested the heck out of the drivers horns and enclosure size and porting I’m using. I’ve built a tad and 20+ different cornscala style speakers. It’s something I’m very familiar with. I can’t post the schematic, it’s ALKs property I’ve only licensed it. Horns will be Faital. HF is the b&c de250 mids are the Hf140 LF is the Kappa 15c. Crossover is 450 with 2nd order and 5600. I wont be doing much measurement beyond what’s needed for setup. I’m pretty familiar with that it can do and I’m not setup for measurement the way others are... have the equipment and software but time and space arnt on my side. For me the more more interesting question will be if the de250 is worth the $70 premium per driver.
  3. It’s not generic. ALK designed for me specifically. It’s closer to his AP12 vs cornscalawal
  4. I use a crossover designed by ALK. Its 2nd order on the woofer. Given the 2nd order design, ALK makes use of/accounts for the inductance of a K33/Eminence 15C. I would throw off the crossovers proper operation by subbing in another woofer. If I went ALK Cornscalawal I could without issue. I had a similar problem for my 2way Heresy style speakers. The Crossover is a AP12-800 that's specific to the woofer. ALK had measured to for me to make the value changes to make it compatible. Id love to try other woofers, but for what its worth the 15C works really well, esp in smaller cabs.
  5. Ive built monoblock versions which I use daily with my Cornscalas. These are with the original front end config. There is no noise issue. These are remarkable amps and are extremely wide bandwidth and low coloration. FR is 6hz to 128Khz at 1 watt
  6. I just ordered. Well see if they really fit.
  7. I bought one to build. Have the cab assembled. I think it’s a great project. I do wish I could of grills. I found an ok grill for the tweeter but not one for the woofer. I’ll let you guys know how the project turns out. 😉
  8. So true. I wanted jubs bad. Got clones and realized just how big they were. Now I’m trying to stuff big horns into ever smaller boxes. The jubs will break you if you’re not ready.
  9. Bump and price drop.
  10. There was some splintering. With finishing no one would have ever been the wiser. Dave decided to use as the double instead. I’ve been working on stiffening the baffle. Sometime when I feel like going next level I’ll dado the side panels to hold the baffle in place and not use cleats.
  11. Something new, something blue. Dave cut me 4 3/4" baffles. 2 of them were less than perfect so we doubled them up. The grills with be held with neo magnets I got from parts express. The back panels have 12 1/4"-20 for the edges. and 4 1/4"-20 for the center braces. This is the 1st time Ive used the Faital LTH142 and Faital STH100. Drivers will be Eminence Kappa 15C, Faital HF140, and the 1" HF driver is up in the air. Crossover is a CSW450 Im posting my project, because I miss the days more on this forum built and modified...
  12. Ive owned both. The Sig is a super worth while upgrade... The addition of the heavier motor housing and stiffer chassis. The bigger question should be if you should go gimble or unipivoit.
  13. Bump. Still for sale.
  14. I’ve used both and can’t hear any differences. Get whichever is less expensive.
  15. Hey guess hope I didn’t confuse anyone. The 12LFA can be used if building your own Jubs or Heresy style but you’ll need to make adjustments. My adjustments are done using either a ALk universal or the custom 2way Alk designed for me. Re Sonics. It’s a solid performer with much deeper more taught bass. Like a k33 vs a kappa 15C. Dave Hairrs cut my baffles for my 2way diy heresy. I spoke without Bob Crites’ son about offering the same. I think they have a lot of projects but agreeed that it was a worth while idea. Move not done a ported 12”. Though not digging as deep. The sealed cab has no bass hump which is a good thing I think. On my cornscalas or late. The ports are 4” pvp pipe from Home Depot. The ports are easier to work with then building port shelf’s and what not. I then take a 1/2” round router to do a round over and have it blend into the baffle. Hope some of this helps.
  16. Sold I private label one of my amps. It’s a great partnership.
  17. Ah. They were going to get listed next week. They are called the figure 8. Its a scaled down version of Dave’s drift design. 8”woof rear ported. Goes to low 30s. 1” conical tratrix horn. Used the Dayton clone of the D220ti but has a polymide diaphragm. Whole speaker was sent to ALK for crossover design. 2nd order on LF, 3rd on Hf. Crossed at 800hz. ~92db efficient. They Image so well. As you can see. I’m awash in older projects again.
  18. 12LFA think of it like a better K24
  19. They are the Omens...I love Zu speakers. The DWs are great, super close to the Omens now... esp if you can do the cap upgrade for $100.
  20. Selling off my office rig. Not a current model but one of my favorites. 3watts with 6l6gcs as is, 5watts with KT88s. Incredibly quite... like headphone amp quite :-0. 8ohm for headphones and 300ohm for headphones. 8ohm speaker outs with cards binding posts. Hate to see it sit unused on a shelf. 1200obo Justin 323-868-9722
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