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Thread: Filter design question

  1. #1
    Member
    Join Date
    Aug 2008
    Location
    Evanston, Wy
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    Filter design question

    Hey all, hopefully one of you can help. Built color organ as per earlier post.
    Has three band pass filters. R/C combos are as follows.
    Lows: 4.7K and .22UF
    Mids: 2K and .1UF
    Highs: 1K and .1UF
    During operation yellow lights (highs) are on almost constantly over powering light display.
    Red lights (lows) are week unless sensitivity pot is cranked up witch makes yellows even brighter. What combo of filters might mellow the highs out?

  2. #2
    Member
    Join Date
    Aug 2008
    Location
    Evanston, Wy
    Posts
    60

    Additional info

    I forgot to add that if I turn treble down yellow lights mellow greatly.

  3. #3
    Member
    Join Date
    Aug 2008
    Location
    Evanston, Wy
    Posts
    60

    Figured it out

    Hey, replacing R1 and R3 with a 10K pot solved the problem.

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