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MS 309 notch filter and sub reference level help

Discussion in 'Subwoofers' started by isplash, Feb 20, 2005.

  1. isplash

    isplash
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    Hi all, i have just recently got myself a radioshack digital SPL meter.
    i wish to calibrate my sub notch filter with the MS low frequency EQ test. However, after reading through the manual i still find it quite complicated to understand. Can anybody who owns one of that to provide me step by step guidance on the calibration.

    ya, another question. i'm using Avia dvd to calibrate my set up. what's the recommended reference level for my sub?(heard it should be higher, but by how much) i have set my reference level for the rest of my speaker at 85db.

    Thanks a lot :)
     
  2. Ian J

    Ian J
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    The reference level for the sub should be the same as with the other speakers
     
  3. isplash

    isplash
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    i have heard that the sub level on the AVR should set to max, which in my case +10db so it will not loose any low freq to the sub. is that true?
     
  4. Beobloke

    Beobloke
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    NO! Start with all the speaker levels set to 0dB then step through the test signals to each speaker and adjust each one's level accordingly to match the first one.

    Adam.
     

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