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About Khornukopia

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  1. I am now using a pair of DE-120 tweeters and Faital tractrix horns mounted on boards that will allow me to aim the tweeters when I work in different areas of the garage.
  2. Yes I have also read about that imaginary specification, so I will go along with your humor. I placed a spool of 14 gauge OFC, 4 conductor speaker cable on a wooden rod clamped to a step ladder, pulled the wire through an empty junction box, up into and across the attic, then down into the corners where the speakers are. Each wire run was a little over 47 feet long, or more precisely, 571.25 inches long. Everything is good here.
  3. Your speakers look really good. I hope they make it to their next home in great condition. When you sell them, remind the movers to unscrew the two wingnuts and lift off the removable top section, before carrying them up the stairs.
  4. The garage Klipschorns have AK-2 split type crossover networks, and the AVR is Bi-Amp capable, an invitation to passive Bi-Amp the system, so l fed some 4 conductor speaker wires up through the attic and down to the front corners of the garage. I am not aware of an industry standard for speaker wire color codes, so considering typical banana jack colors, I chose red for tweeter positive, black for tweeter negative, and because green is used for chassis ground wires, white for bass positive and green for bass negative.
  5. I hope you did not sell off any equipment or perfectly good speakers at your famously low prices because of that wire.
  6. The screws appear to be #8 sheet-metal screws. The length will depend on the specific speaker. A problem with trying longer screws is that the dog-ear tabs are captive in the slotted and capped mounting bosses, but some designs have excess tab material that could be trimmed to fit the thicker ceiling. I don't have a picture of your exact speaker, I am just trying to help with ideas.
  7. I like the symmetry of your arrangement, but for the sake of diagnosis, have you tried playing your sub woofer tucked into the corner?
  8. Yes the mineral wool insulation does function properly as a bass trap while sealed in the bags. The plastic shrink wrap is not a barrier to the long wavelengths of the bass frequencies. It is actually recommended that bass traps should have a thin hard surface to reflect the high frequency energy, if you don't want a broadband absorber.
  9. The transistor inside the glass tube is an interesting design.
  10. The bass bouncing off the walls crosses paths with the direct bass arriving at your listening position and nullifies it. Same principle as noise cancelling headphones. I had a similar low frequency response problem because of the size and shape of my room. I fixed it by installing some bass traps. I bought some Rock-wool mineral fiber, sound and fire insulation, wrapped the bulky 15x24x48" bundle(s) in black fabric and placed them in the corners of the room. If you try this, save your receipts and leave the plastic wrap intact, in case you want to return the bundles of insulation because of how big they are. (Some people would buy more subwoofers, rather than fix the room modes with a large bundle of insulation.)
  11. That response graph looks very respectable. Using a High Pass (subsonic) Filter is a good idea.
  12. Some of the other rooms I have listened to music in, this past week.
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