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  1. Alan Rutlidge

    Capacitors in crossover networks.

    Patrick, Polypropylene capacitors are non-polarised so you don't have to worry about which way round to connect them. All capacitors used in speaker crossover networks should be non-polarised as the signal fed into them is an alternating current. One tip. Ensure the capacitors have a high...
  2. Alan Rutlidge

    Impedence spike - LspCad

    Scott, The impedance peak that you are seeing is probably occuring at the same or near the fundamental resonant frequency of the driver. Check the specs for the driver and see if the free air resonant frequency is quoted. I'm sure it is going to be near the 36Hz you have quoted in your post...
  3. Alan Rutlidge

    Differences in capacitors?

    Just to set the record straight at the expense of pedantics. Capacitors come in varying different types for different applications. How they behave in different applications will influence the performance of both the component itself and what the sound in the case of audio. I can only assume...
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