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I use 10hz to 200hz signal to find subwoofer frequency response. I choose length to be 1M and sweeps to be 4. Is it enough? The result SPL frequency response is defaulted to be 1/48 octave smoothing. If I choose 1/3 the cuvre will be much flat. I'm wondering which octave smoothing should I look at? :help:Thanks.
 

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Normally with sub response, we don't apply smoothing. Raw data is preferred to narrow in on the spikes and nulls.
 
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