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Date: April 02, 2002 at 19:38:54
From: Brian, [gnd210-115.caribsurf.com]
Subject: Re: For comparative distortion - how 'bout mic and TrueRTA scope...


Use TrueRTA in RTA mode, and feed a pure tone to the subwoofer. Distortion will show up on the RTA as any response other than the response at the tone's frequency. However, CoolEdit might be better for this - use it to record the subwoofer's response, THEN run it through the analyzer. You can also do interesting things with CoolEdit, like ramp up the input signal, record the driver's response, then use CoolEdit to determine at what point distortion becomes noticeable.


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