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Audyssey Setup and Crossovers

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  • 17-11-2020 10:41am
    #1
    Heighway61
    Registered Users Posts: 1,966 ✭✭✭


    Very quiet in here these days but we'll give it a go...

    Ran Audyssey and it set my crossovers:

    Fronts 80Hz
    Centre 60Hz
    Surrounds 30Hz

    Speakers are Monitor Audio Apex which Audyssey correctly picks up as small, a previous amp picked them up as large.

    Should I manually set the centre and surrounds to 80?


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    #2
    Heighway61
    Registered Users Posts: 1,966 ✭✭✭Heighway61


    Monitor Audio advised not to go below 60, for the sake of the speakers.


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    #3
    The Ritz
    Moderators, Technology & Internet Moderators, RicherSounds.ie Moderator Posts: 2,505 Mod ✭✭✭✭The Ritz


    I’ve no idea what surrounds you’re using but they can operate down to 30hz ??

    As a general rule I’d recommend crossing over to the sub at 80hz.

    Ritz


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    #4
    Heighway61
    Registered Users Posts: 1,966 ✭✭✭Heighway61


    The Ritz wrote: »
    I’ve no idea what surrounds you’re using but they can operate down to 30hz ??

    As a general rule I’d recommend crossing over to the sub at 80hz.

    Ritz
    Sorry, 30 was a typo, should be 40. Speakers are Monitor Audio Apex A10 fronts/surrounds and A40 centre. Centre goes down to 50Hz, surrounds to 60Hz. Don't understand the amp setting a 60Hz speaker to 40Hz.


    They are good speakers so want to try them with as much as they can handle, without going overboard obviously. I read an article by the sub manufacturer SVS that suggested 10Hz above the speaker limit so have centre and surrounds at 60. Was going to try 70 for the surrounds but Audyssey sets increments of 20Hz.


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    #5
    The Ritz
    Moderators, Technology & Internet Moderators, RicherSounds.ie Moderator Posts: 2,505 Mod ✭✭✭✭The Ritz


    If a speakers frequency response says, for instance, 60hz to, say 20khz, it doesen’t mean that it’s response is even across the frequency range, it’s output could be (usually would be) very reduced at the lower end of the frequency range.

    By setting the crossover at or near the unit of the speakers Lower frequency output you’re not really gett8ng the best out of your speaker, yiyre creating a “dip” in output before tge sub takes over.

    Whether this is audible or noticeable when your actually viewing a movie is a moot point, but underscores the rationale for crossing over at 80hz and letting the crossover between your speaker and sub be as seamless as possible.

    I would be inclined to try A manual set-up, setting your distances manually and levels by ear, and setting the crossover at 80hz, and see how you like the result using demo samples that you’re familiar with. You can always do a reset and run Audyssey again if it doesn’t turn out to your liking.

    HTH,

    Ritz.


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    #6
    Heighway61
    Registered Users Posts: 1,966 ✭✭✭Heighway61


    That helps, alright. Thanks.

    Audyssey set fronts to 80, so leaving it at that.

    It set centre to 60, so leaving it at that, with 10Hz to spare. Will then set to 80 and see if there is any noticeable difference.

    Changed surrounds from 40 to 80.

    Will see how that sounds.

    Would you know if there would be any knock-on effect on the Audyssey set-up by using manual set-up for crossovers?


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