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jason str

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Everything posted by jason str

  1. It is possible and has been done already. Manufactures just wont invest in the extra steps it takes.
  2. A few cuts each evening and it will be done before you know it. Adjusting the blade angle only takes a minute and everything else is the same motion.
  3. A higher crossover point will allow more HF & 2 way options.
  4. Can the Jubilee bass bin make a clean pass to 1000 Hz ?
  5. How many folded horns have you seen crossed over above lets say 1000 Hz ?
  6. If you are starting from scratch build a horn loaded sub, you will thank me later.
  7. The term was coined already, too late now.
  8. Any fold will act as a low pass filter unless it has rounded bends on the inside and outside of the turn (fold). Shorter waves (higher frequency) will bounce back starting at 2-300 Hz, a reflector may gain you a bit but a true waveguide (properly rounded bends inside and outer radius) will allow the shorter waves to pass without bouncing back.
  9. Distance should not matter.
  10. Bifurcated just means split into two, the La Scala bass bin splits but returns as one exit so probably not considered bifurcated. Where are they normally used ? Anyplace music is needed i would say.
  11. Yes but comes together as 1 horn mouth unlike the Jubilee bass bin or the Klipschorn. If these were only good to 100 Hz they would be more of a subwoofer than a bass bin.
  12. There are different types of folded horns, the "W" type mentioned is normally a bifurcated horn but not necessarily.
  13. Might be the case with bifurcated horns.
  14. The folds in the horn path act as a low pass filter lowering distortion as well witch is not possible in DR type designs. Tapped horn types do not benefit in this regard as the drivers are exposed.
  15. I agree, its the dummy that hits the bass boost button on their receiver or similar stunt you mentioned i would worry about.
  16. Xmax does not mean anything in this regard, Xmech or Xlim is what you should be looking at, that is the limit of one way excursion and my measurement with my set of Eminence Kappa 15 told me it will hit. If you have any doubt contact Eminence. If you could CNC for those interested it would be a big help.
  17. Router would be the best method. They do make replacement gasket material to glue on top the old one but use caution installing, double gaskets can be leak prone and be sure its the hard type (normally paper).
  18. Detail is exactly the point, the K-33 does lack quite a bit in this department unfortunately. The k-33 may have some advantage below 100 Hz but the short horn design really calls for a subwoofer if you care to hear all the content in the material you are listening to. Its a great driver period, the reasonable price is just a bonus. Be sure to use a 1/4" or so spacer beneath the Eminence driver frame as the cone can hit the motorboard.
  19. Have you tried using the woofer in your La Scala's ? Measured it ? Spent time listening to it ? I have and gave my honest opinion, take it or leave it.
  20. Good read about those isolation products. >here<
  21. A 4 Ohm woofer does not stay 4 Ohm with this design, you can probably get by with your 8 Ohm rated amplifier if that's the case. As for the high pass, no you don't need it but you answered some of your own question, this will give you more options for best results when you go to dial things in.
  22. Use the recommended Dayton 10" driver. For the amp i recommend either getting a MINI DSP HD and use the amplifier you have or this Dayton DSP model. DSP will allow better adjustment and an option to high pass the mains for best results to assure you get the most out of your system.
  23. Let us know what driver you go with when you get to that point.
  24. Risers work best in conjunction with a subwoofer.
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