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DizRotus

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Everything posted by DizRotus

  1. The fact that the readings are essentially the same for each woofer using each meter indicates to me the resistance is not the problem. Have you tried switching the networks to see if the “duller” sound follows the network. If that is inconclusive, I’d consider swapping the woofers to see if the “duller” sound follows the woofer to the other cabinet. If I were convinced the problem is the woofer, I’d recone or replace both woofers.
  2. Now you’ve really piqued my curiosity.
  3. When the band director first complained about what were confirmed to be resonance problems at the sidewalls, the quick diagnostic “solution” was to wedge short dowels between the sidewalls and the doghouse where the doghouse roofline is closest to the sidewalls. The improvement was immediate and dramatic. Eventually, I fashioned the braces shown below. Did I measure precisely on this pro bono project? I did not. We’re the speakers plagued by new resonances at higher frequencies? They were not. Unless we want JDM to weigh in, IMO, you might as well argue about fairies on a pinhead. Braces are good; no braces is bad. Exact position doesn’t matter. YMMV
  4. Yea @Don Richard, you’re supposed to arrogantly spout nonsense before insulting anyone with the temerity to disagree.
  5. Not to insult you Ziggurat, but to possibly help others, woofer polarity can be confirmed without opening them up (which I would hesitate to do to speakers recently purchased new from an authorized dealer). Using a AA battery, the movement of the woofer cones can be observed. If they both move out when the battery polarity is identical, and in when the polarity is reversed, the woofers are in phase with each other. I look forward to hearing about your solution.
  6. Welcome. Being thrifty is not frowned upon in this group, it’s in our DNA.
  7. We finally enjoyed the delicious Bucyrus Carle’s Bratwurst Dave @Dave1290 brought to the gathering. Thanks Dave.
  8. DizRotus

    The Cola Wars

    Ditto that, but it takes a month to reach 5 IPAs.
  9. Yes, two subs are firing into each corner. I tried a few other configurations. So far, in this small space, this seems to work best. Now that the gathering is past, I'll tweak some more, but I doubt I'll find another arrangement that works as well without taking up more of the scarce space.
  10. On the deck deck we’re HIPs powered by a Wiener class D chip amp. The Crites 120s (shown on top) and networks were installed at the time of the gathering.
  11. Here is the downstairs system heard by the gathering. DIY Super Heresys and four DIY EATH subs. The two iNuke 1000dsp amps power the four subs. The black box above the iNukes holds the TI TPA3255EVM class D chip amp that powers the Supers. The naked 3255 and power supply are also shown. The DIY Fostex FE103 single driver TV speakers were played briefly powered by a $5 TDA7297 chip amp just to demonstrate how good a minimalist system can sound. The 7297 is below to the left of the barrier strip.
  12. I miss the talkers and phone addicts.
  13. True enough in my case. Losing one's hearing does not cause one to lose his/her mind.
  14. I vote to retain crap shoot, including its pun-ishing aspect.
  15. Travis- Please put us out of our misery! This forum has standards like the other audio forums that yanked the welcome mat. Reminds me of that Paul McCartney song, Ban[ne]d On The Run.
  16. I’m no expert, but I offer a few observations. Intuitively, matching a driver to a throat that is smaller than the driver seems like a bad idea, but what about the following: Klipschorn 15” driver attached to ~13x6 slot; Edgar horn described in Speaker Builder; and MEH as implemented by Tom Danley and discussed in the thread started by Chris A? Go to Chris A’s thread to see the sizes of the drivers attached to small throats. Perhaps the “mismatch” is OK at lower frequencies, but problematic at mid to high frequencies. Others, such as @Chris A can offer more technically supported answers.
  17. Without photos, I too have a problem conceptualizing the issue. It seems that sliding it so that length is perpendicular to the front should work. What about upside down to the underside of the top? That’s how I mounted the AAs in La Scalas after the networks interfered with the port tubes in a djk bass mod. The attached photos don’t show the network actually attached to the underside of the top, but you can see where the positions of the tubes would prevent returning them to the original locations.
  18. Good for street names.
  19. Dave @Dave1290, Tell Steve the bowl was a hit. Rather than wait almost a year, I gave it to her today. I’m coming to the realization that, at my age, things to avoid include: green bananas, magazine subscriptions and deferred pleasure. Tomorrow might not get here.
  20. Shakespeare pun of the day. The Bard would be flattered.
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