RSP-1066 80Hz crossover slope?

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  • dbart
    Member
    • Jan 2003
    • 39

    RSP-1066 80Hz crossover slope?

    I have THX speakers that are designed to have a 2nd order roll off called for by a THX certified bass management crossover.

    A THX certified crossover is one that has a 4th order low pass filter on the sub with a corner frequency of 80hz and a 2nd order high pass filter on the mains with a corner frequency of 80hz. Combine the 2nd order roll off of the mains with the 2nd order high pass filter and you get a 4th order filter that matches the 4th order low pass on the sub.

    My question is this:

    Does the RSP-1066 use this type of crossover slope, even though its not a THX certified piece?

    Dave
  • sndtowne
    Senior Member
    • Jan 2003
    • 105

    #2
    Dave,

    I'm not 100% sure, but I believe I read that the RSP-1066 has a 24dB per octave crossover slope for the sub output. This would be 4th. order. I am not positive what the slope is for the main speakers, but I thinks its 12dB per octave which would be 2nd. order.




    Bruce
    Bruce

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    • AlvaroD
      Member
      • Oct 2002
      • 67

      #3
      According to the CS49326 application note (this is the chip doing all the work in the 1066), it does have a 4th order low-pass filter combined with a 2nd order high pass filter :


      It's on page 45.

      Comment

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