Quote:
Wayne A. Pflughaupt wrote:
A good way to see if your crossover is working to spec is to play sine wave tones at the crossover frequency, and an octave lower, and measure both with a SPL meter. The lower-frequency sine should be in the neighborhood of 24 dB lower (or whatever your slope is).
Regards,
Wayne
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Thanks. Sorry to ask such a newb question, but how do you determine what is an octave higher and lower than something? I frequently here people say things like "set your xo to be one octave higher than your rated lowest frequency of the speakers" but not sure how to calculate that.