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x-over settings with yamaha rxv 750

Discussion in 'Subwoofers' started by jtt1888, Jun 13, 2005.

  1. jtt1888

    jtt1888
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    Hi guys
    I just hooked up a Mission 78as sub to my Yamaha 750 using the auto set up facility. Can anyone answer the following:-

    The crossover automatically went to 120Hz, is this not high

    The front and centre speakers(AE evo3's) were set as small yet if i was to set it up manually i would have said that these were large.

    Do i adjust the input control or the lfe control on the sub to increase base volume.
     
  2. Crustyloafer

    Crustyloafer
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    Do not trust auto setup. sometimes it can get close, other times it is miles off, as in ouyr case. Invest in a SPL meter and do it properly.
     
  3. BigT

    BigT
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    Try looking at :/www.audioholics.com/techtips/setup/index.php

    Loads to raed, plenty of suggestions but some of it gets a bit heavy!!!
     
  4. Ian J

    Ian J
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    120 Hz is for for diddy lifestyle speakers and isn't the best option for decent sized speakers. If the speakers are set to small all of the bass plus LFE will be directed to the sub whilst if set to large the bass notes will go to the speakers with only the LFE being sent to the sub.

    Whether large or small in your case is just a matter of taste but for ease of setup I would set the crossover to 80Hz and the speakers to small and set that as your baseline. You can then try different crossovers and set the speakers to large to see which setting you prefer.
     
  5. docb

    docb
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    JTT1888

    I have the same amp and the same sub, and after using the auto set up, i wasnt too happy, it didnt sound right.
    I went and got myself a sound meter, and the settings on auto set up were quite a bit out.

    I have set the X-over at 90, seems better for my speakers (bookshelf wharfedale 9.1s).

    Thanks

    Doc
     

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