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Could someone advice me on how to pick a proper crossover frequency?

I have
2 amps https://www.rockvilleaudio.com/rpa16/
4 tops https://www.rockvilleaudio.com/rsg15-28/ Frequency Response: 35Hz - 22 kHz
4 subs https://www.rockvilleaudio.com/pbg18/ Frequency Response: 35 Hz – 4 Khz
Driverack pa2 with mic

I understand this no pro gear by any means. With that being said what would be the best crossover point to use? Is there any difference between 80hz and 100hz? I could not tell which sounds better. Driverack pre select does 100hz but most places things Ive read say to go with 80hz.

Currently I have it at
High - 80hz - out
Type Linkwitz 12/db Butterworth 48db/db

Lows - 35hz - 80hz
Type - Butterworth 6/db Linkwitz 12/db

tops are on top of subs in stereo pairs. (2 pairs on each side of the room) I would greatly appreciate your input as the more I read about this the more I got confused on what to chose.

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    HARMAN_EEldeHARMAN_EElde Posts: 1,381

    100Hz should be fine, it's typical to crossover anywhere between 80-100Hz.

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    MarcinKMarcinK Posts: 3

    Should there be any sound difference between 80hz and 100hz or should they sound the same?

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    HARMAN_EEldeHARMAN_EElde Posts: 1,381

    @MarcinK said:
    Should there be any sound difference between 80hz and 100hz or should they sound the same?

    I mean, unless you have super human strength of hearing - lol - you probably will not notice much difference between 80-100hz no. The roll off is so close that you're going to be hearing some cross frequency etc

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    MarcinKMarcinK Posts: 3

    @HARMAN_EElde said:

    @MarcinK said:
    Should there be any sound difference between 80hz and 100hz or should they sound the same?

    I mean, unless you have super human strength of hearing - lol - you probably will not notice much difference between 80-100hz no. The roll off is so close that you're going to be hearing some cross frequency etc

    Thank you!

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    HARMAN_EEldeHARMAN_EElde Posts: 1,381

    @MarcinK said:

    @HARMAN_EElde said:

    @MarcinK said:
    Should there be any sound difference between 80hz and 100hz or should they sound the same?

    I mean, unless you have super human strength of hearing - lol - you probably will not notice much difference between 80-100hz no. The roll off is so close that you're going to be hearing some cross frequency etc

    Thank you!

    You're welcome @MarcinK !

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