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Inexpensive graphic equalizer.

Discussion in 'Electronic Design' started by Yzordderrex, Feb 22, 2013.

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  1. Yzordderrex

    Yzordderrex Guest

    I have noise induced hearing loss due to spending too much time in a gun mount in the military. I would like to buy an inexpensive graphic equalizer to hang on my portable radio. EQ should be very small and under $30. Anybody have any experience with these little units?

    73
    Bob
    N9NEO
    Just Say NEO!
     
  2. Jasen Betts

    Jasen Betts Guest

    I had a small one one in a car late 80s , it used lots of power, but
    that could ave been the inbuilt amplifier.
    I also had a boom box with a 5 band graphic equaliser buit in.

    how portable do you need?
     
  3. Guest

    You want to build or buy? If you're up to building one, there are all
    sorts of simple (and some not-so-simple) tone cone control circuits.
    A good one is the Baxendall tone control circuit. It can be made as
    either a passive or active circuit. There are also parametric
    equalizer circuits. Or you could build something based on the
    Phillips TDA-1524A or the Sanyo LA3600.
     
  4. Am 22.02.2013 21:11, schrieb Yzordderrex:
    How about reusing the 6month 'much to old' smartphone kids are selling
    for 30$ ?

    Greeting from Germany
    Henrik
     
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