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Thread: Placement options – Impacts of location, orientation and treatments

  1. #226
    Newbie mbergs9's Avatar
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    Default tilt

    I know this thread deals mostly with room treatment, but very early on someone mentioned experimenting with speaker tilt and its effects. Did this ever happen? I am doing some room tweaking and was just curious.
    Thanks.

  2. #227
    Super User sleepysurf's Avatar
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    Haven't found any reviews, nor U.S. dealers featuring the XTZ product yet. However, Kal Rubinson (of Stereophile) posted in the AVSforum that he will be getting one shortly. In that thread, I asked Chris (of Audyssey) why THEY don't develop something like that, and was VERY pleased to see this response (hope it's OK to cross-post)...

    Quote:
    Originally Posted by sleepysurf
    Chris, has Audyssey given any thought to offering a standalone speaker/room acoustics measurement product, similar to the XTZ one...
    http://www.xtz.se/produkt.php?allman...kt=41&eng=true

    Lots of folks cobble together the hardware and software for room response measurements, but it's not easy. The XTZ idea is intriguing, but not widely available (at least in the U.S.) I'm sure a LOT of folks using Audyssey (in whatever fashion), would REALLY like to measure their actual room response effect without hiring a Pro installer. Of course, a well-written instruction manual would be necessary to ensure the measurements are accurate and meaningful, but if anybody can pull this off, I would think Audyssey would be the one!


    Stay tuned--I've already said too much.

    Chris
    Squeezebox Touch/Bel Canto DAC 3.5VB + Oppo BDP-95 > Conrad-Johnson CT5 preamp and Premier 350 amp > ML Expressions 13A. Dual ML BalancedForce 210 subs. Audience Au24e I/C's, speaker cable.
    Click here to see my entire sytem. Member of the Suncoast Audiophile Society.

  3. #228
    Super User JonFo's Avatar
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    Very interesting news Alan. We sure could use something simpler than what I have to go through.

    But it’s not just the software, it’s how to hook it up.

    To measure all six channels in a modern surround system using an external sound generator hooked to a PC, you really need to feed six inputs, or be able to switch one around into each of the six.

    I used to plug an unplug the signal cable, but that required powering down amps, move the plug, then power up, rinse and repeat for each channel. What a bear.

    So I got a switcher to help me out. One with IR control no less.
    Not many one to six switchers out there, but hey, audio signals don’t care which direction they flow in, so I got a cheap AV switcher with six outputs and IR control, then connect the measurement rig output to the Left ‘output’ of the switcher, the six signals go to each ‘left’ of the six ‘inputs’ on the switcher. Presto, I can now measure all six channels without powering down amps, and bounce back and forth between sub and center (or any other speaker) all day long without getting out of my chair (lazy, I know).

    So much better.

    But even with that, the cabling is pretty intense. I’ll do a diagram tomorrow.

    I also have some ideas I’ll post in new thread on measuring. About time for one of those as well ;-)
    Jonathan

    System #45 (Monolith IIIx, Sequell IIb, SL3XC)

  4. #229
    Super User JonFo's Avatar
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    We also went off on treatment options in this other thread. Starting with a members premise that stuffing the back of the speaker would work to deal with the back-wave. So, pics, measurements and discussion on that variation (and contrasts to bare walls and MiniTraps) over here:
    http://www.martinloganowners.com/for...8278#post68278
    Last edited by JonFo; 10-10-2012 at 04:34 AM. Reason: update URL
    Jonathan

    System #45 (Monolith IIIx, Sequell IIb, SL3XC)

  5. #230
    Super User JonFo's Avatar
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    Quote Originally Posted by mbergs9 View Post
    I know this thread deals mostly with room treatment, but very early on someone mentioned experimenting with speaker tilt and its effects. Did this ever happen? I am doing some room tweaking and was just curious.
    Thanks.
    Eventually will get to this, but I've been busy with other stuff.

    In general, this one will be trickier to cover, as tilt is very, very room dependent in it's effects.
    Jonathan

    System #45 (Monolith IIIx, Sequell IIb, SL3XC)

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