07-06-2011, 05:24 PM
Yes, for ultrasonics, it's the maximum top end of the range of frequency response that matters, not the low end. So 20 kHz and up, and we don't really care what the low end is. Although the total range will tell you something about the overall quality of the speakers.
Subliminal Audio Specialist & Administrator
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The scientist has a question to find an answer for. The pseudo-scientist has an answer to find a question for. ~ "Failure is the path of least persistence." - Chinese Fortune Cookie ~ Logic left. Emotion right. But thinking, straight ahead. ~ Sperate supra omnia in valorem. (The value of trust is above all else.) ~ Meowsomeness!