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Everything posted by Deang

  1. Also known as “false corners”. Mine were pulled against my khorns with threaded rods and wood blocks.
  2. What does performing live music in an orchestra have to with playing recordings on a pair of loudspeakers - besides nothing. Live production and reproduction are not the same.
  3. Deang

    WTB ---- ALK Crossovers for My La Scalas

    3dB additional drop in the midrange should be pretty audible - no? Next step would be changing the tweeter section to AA configuration. What tweeter are you using?
  4. This would be for those on a tight budget, or for a small second system. For $200, I think it would surprise a lot of folks. 60 wpc, 80 wpc at 4 ohms. Smart design, good parts. Two inputs and a nice attenuator. Smooth, open - but does sound better with a preamp in front of it. https://www.parts-express.com/topping-tp60-t-amp-tripath-ta2022-50wpc-(80wpc-4-ohm)-mini-amplifier--310-326
  5. Good bass in my tight basement too. Room gain pays dividends.
  6. Klipsch hit a home run with the LaScala II. Excellent sounding loudspeaker.
  7. I think I'll just argue that the loudspeakers were value engineered, which is obvious by their construction, drivers, and crossover components. That doesn't mean they don't sound good -- they do. That was the genius of PWK -- but they are far from perfect.
  8. Sure, usually small monitors. Large loudspeakers are always braced. If not, they'll "sing". Read the article. It's not a "myth".
  9. Deang

    Ultimate RF-5 Upgrade

    Those calculators don't account for a multitude of things. You need the impedance at the crossover point, not the nominal impedance of the driver. The listed crossovers points from those loudspeakers are acoustic, not electrical, so the calculators aren't much help in this regard. They're good for building from scratch as a starting point, and that's about it. Don't mess with the small coils on the high pass boards. The DCR is high, and there is some mutual inductance. Coil values were massaged while on the board. Same with the low pass coil, the DCR is part of the cabinet volume, port, driver alignment.
  10. "The knuckle test, unlike tire kicking (performed at various locations around the cabinet panels), can certainly tell you if the box is rigid from the pitch of the sounds it makes when knocked." https://www.audioholics.com/loudspeaker-design/loudspeaker-cabinets
  11. Your Cornwall III's are braced. I see a Plywood motorboard, but the rest looks like MDF (which helps). It's not a "myth", it's from "Building Loudspeakers 101". Smaller speakers don't suffer from the problem as much because the panels are smaller. Cornwall III's being built. Notice the braces. I think we have a few thousand posts on this forum on how to brace Cornwalls.
  12. I didn’t say anything about an “upper bass thump”. And I didn’t mention Klipschorns, LaScala II’s or Jubilees. I said, “older Klipsch stuff”, and I was specifically thinking of the Heresy, Heresy II, Cornwall, Cornwall II, Chorus, Chorus II, and LaScala. I’ve never heard the Belle. All of these speakers fail the simple knuckle rap test. There is no internal bracing, and internal resonances cause the panels to vibrate. You can lay your hand against a panel and feel it vibrating, and a moving box is not silent. Naturally, it’s more noticeable when you turn it up. The larger the panels, the more you can “hear the box”.
  13. See, the OP got one right. MDF is better than plywood.
  14. I think I have to agree with Kink56. The older Klipsch stuff does have a resonant quality. It's never bothered me, but I do hear what he's talking about.
  15. I'm pretty sure he wasn't talking about you.
  16. Never buy an amp because it sounds good. 👌
  17. Deang

    3x La Scala Needing Love

    Indeed. Have fun @BEC
  18. Deang

    Ultimate RF-5 Upgrade

    You’re jamming the low pass of the RF-5 with the high pass of the RC-7. You don’t know what you’re doing.
  19. Deang

    Ultimate RF-5 Upgrade

    So much summing error. Do you care - apparently not.
  20. I don’t think anyone has any idea what in the hell you're talking about.
  21. Deang

    3x La Scala Needing Love

    I’m having .. chest. pains.
  22. Deang

    What to do with this?

    I had planned on taking a break. I was thinking about maybe stopping, but there is too much going on to do that. Thing is, I don’t remember mentioning any this on the forum. The AA sounds better to me than the A, especially with the de-120, that runs just a wee bit hot. I think the AA images better, and sounds cleaner at higher SPLs. So, why didn’t PWK drop the crossover point to 4.5kHz? He had almost 50 years to think about that one.