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  1. David Gadd

    Cascading crossovers subwoofers etc.

    Chris: I commented in the other thread, but I'll repeat myself here. I absolutely disagree with the assertion that it is always (or even typically) better to use solely the crossover in the pre/pro. People always seem to assume that all preamps/processors do a competent job at crossing...
  2. David Gadd

    BFD & Paradigm X-30

    I absolutely disagree that it is always (or even typically) better to use the crossover in the pre/pro. alone. People always seem to assume that all preamps/processors do a competent job at crossing over between sub and mains. Mine certainly doesn't (e.g., 100 hz 12 db/octave low and high...
  3. David Gadd

    Line array info

    Thanks Greg. :emoji_thumbsup:
  4. David Gadd

    Line array info

    Greg: Actually, I see the efficiency of the line array as a major selling point for me. In my room, the Linus Array would be equivalent to a 100dB point source. Typical kits would need 4 to 20 times the power (87-94dB point sources seem typical). I'm not in the market for 300 to 1500 Watt amps...
  5. David Gadd

    diy power cable

    Brian tj: No offense intended, here. You absolutely NEED a good power cable; the only question is what is a "good cable." I've got a couple power cables I'm considering replacing (although I can't quite convince myself that I'm not just into building audio jewelry). I don't think quality cable...
  6. David Gadd

    diy power cable

    http://holisticnetworker.com/sf/mugs.html Here is a mug that I believe will improve your soda or iced tea as much as exotic power cables will improve your equipment's sound. ;)
  7. David Gadd

    Paradigm Servo-15 to SVS 20-39 PC+

    Ron: Why would you care in the least about input power handling? I care about power OUTPUT, i.e. how loud the sub is in the room. Input power handling and actual sound output are not related in the way you seem to assume (that more is better). For example, if you take a driver in a 2...
  8. David Gadd

    Dual Maelstroms or Tempests? (Maelstrom on sale)

    Maelstrom advantages: 3L displacement (vs 2.5 for Tempest) 1000 Watts powerhandling (vs. 750) 92.9 dB efficiency (vs. 89.1) Maelstrom disadvantages: 20Hz fs (vs. 18.8) 460 L vas (vs. 317) So, in appropriately sized boxes, the Maelstrom will go louder and do so with less power than the...
  9. David Gadd

    Anything better than a Tempest for $150??

    SethL: My understanding is that the "accoustic coupling" is occuring outside the woofer enclosure, not within the enclosure. Accoustic coupling occurs within the room. You are claiming that a partition within a sub enclosure will drop the combined output of a two woofer sub by 3 dB; How...
  10. David Gadd

    Fix for a vibrating plywood enclosure?

    It's at least a little bit depressing to resurrect this old thread (have I really been screwing with this for 3 1/2 months?.:frowning: ). Question: what's the best way to protect a polished black lacquer finish? Will automotive wax adequately protect the finish? Should I brush on the...
  11. David Gadd

    Who says you cant have a 300L Tempest based sub with high SAF?

    Spousal ACCEPTANCE Factor. My wife may ACCEPT a speaker project, but she rarely/never approves.;) Speakers aren't an improvement to the decor (in her eyes) but may be acceptable (not hideously ugly). Nothing I want to build (or have built) is an an improvement (to her), so it wouldn't get her...
  12. David Gadd

    Fix for a vibrating plywood enclosure?

    Thanks, Brian. I'll give it a try.
  13. David Gadd

    Fix for a vibrating plywood enclosure?

    Please save me from myself. :frowning: SHORT VERSION Large plywood sub enclosure. Vibrates. Sucks. RECOMMENDED FIX? (1) Build new MDF box? Don't want to. Cutting little holes in inner braces is a pain. (2) Glue and screw mdf panels to each side to build MDF box around the ply box...
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