Using Loudspeaker Properly

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It’s original use is to protect the speakers from frequencies it cannot handle.

When used correctly flat f response can be achieved, however only at pre-defined direction. Normally the on-axis (speakers' head on)

•They are first split into 2 categories: - 

  1. active
  2. passive

•In each category, they have: - 

  1. •High-Pass-Filter
  2. Band-Pass-Filter
  3. •Low-Pass-Filter

They are also split into levels of how fast it cuts out sound i.e. xdB/oct slope, e.g. 

  1. 6dB/oct, 
  2. 12 
  3. 18
  4. 24
  5. and more, the highest ever heard of is 72dB/oct for non audio application that is.

Finally the slope family i.e. how the slope looks like or behave: -

  1. butterworth
  2. chebyshev
  3. linkwitz riley (most used)
  4. bessel
  5. legendre
  6. and more


  1. Using Loudspeaker Properly
  2. The origins
  3. Introducing Cross-overs
  4. How they look physically
  5. How the response looks like
  6. Passive vs. Active



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