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    1. · Registered
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      yea cap. how do i choose which cap to use and at what uf?
      47 to 68 microfarads is good. That is usually around 800hz and will protect most tweeters from the frequencies that cause damage.

      Remember, it is there for protection, not to impact the actualy frequency response. So you want it less than your crossover, at least an octave.


      https://www.parts-express.com/47uf-100v-electrolytic-non-polarized-crossover-capacitor--027-352


      Here is an actual calculator for it
      https://www.the12volt.com/caraudio/passive-crossover-calculator.asp

      Here is Andy talking about it.

      https://www.audiofrog.com/community...p-tweeters-in-systems-with-active-crossovers/
       
    2. · Registered
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      Can one one point me to the right capacitors to buy to protect my tweeters against the possibility of turn-off pop? A link to something at partsexpress would be much appreciated.

      You want a capacitor around 700-800hz.
      A 47uf or 68uf cap are the normal ones to use as they give a 800hz or 600hz respectively for a 6db/oct cutoff on a 4ohm speaker. I went 47uf.
      You don't want it too close to your dsp crossover cutoff otherwise it will impact that performance, but 600hz is plenty of protection for stupid on your tweeters for a couple of seconds.
       
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