Help with speaker placement

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  • BIGDAWG56
    Junior Member
    • Nov 2008
    • 8

    Help with speaker placement

    hi i built some inwall mtm with a offset tweeter i know for the fronts the tweeter should face in but what about the sides should they be in or out or should i just do them in a straight line. boxes are installed i just need to cut out the baffles and the wife wants the wall drywalled back up so im pressed for time thanks in advance for your help
  • ThomasW
    Moderator Emeritus
    • Aug 2000
    • 10933

    #2
    If the crossover was designed for an offset tweeter that's how they should be built regardless of where they're placed.

    IB subwoofer FAQ page


    "Complicated equipment and light reflectors and various other items of hardware are enough, to my mind, to prevent the birdie from coming out." ...... Henri Cartier-Bresson

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    • ---k---
      Ultra Senior Member
      • Nov 2005
      • 5204

      #3
      This is what CJD said about offset tweeters in the Khanspire thread:
      Off-axis droop is less on the "wide" side of the tweeter - if you've got these closer to outside walls, this droop can actually help reduce initial energy from reflections through a rather critical upper midrange area, so you put the tweeters on the outside... counter intuitive, right? At the last Chicago DIY event I set up my MTM's tweeter to the outside and of course some "ultra" audiophile type asked me why rather condescendingly (as in "why did you set those up wrong with the tweeter on the outside?") - my reply: there's 8 rows of chairs with lots of people... off-axis response is much smoother on the wide side, which means that, while the sweet spot isn't as vise-like, it's a better overall presentation for the group. He at least admitted he'd never even thought about that kind of thing...
      For side speakers, I'm not sure it will matter much. If I was forced to choose, I think I would want the droop to be less behind me, so I would put the tweeter on the inside. Maybe would change depending on where the speakers are relative to my seat. Maybe put the wide side to the seat?
      - Ryan

      CJD Ochocinco! ND140/BC25SC06 MTM & TM
      CJD Khanspires - A Dayton RS28/RS150/RS225 WMTMW
      CJD Khancenter - A Dayton RS28/RS150/RS180 WTMW Center

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