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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: is it me or is cone & dome breakup a bad idea to reproduce frequencies posted by Mart on August 8, 2001 at 21:05:17:
Hi Mart!
When testing my previous cone speakers I discovered that when the 12in woofer broke up (at frequencies from about 400Hz up to the crossover point of 750Hz), not only did the frequency response become irregular, but the amplitude was very dependent on the position of the microphone. At first I thought this was due to interference between the woofer and midrange, but the midrange output was too low. I then discovered a "null" that was about 3 feet in front of the woofer and directly on-axis. It was very strange: when I placed the microphone in the null, the sound (a steady-state sine-wave at a few hundred hertz) would disappear! I could also find the location at which the sound vanished using one ear, with the other ear covered. I concluded that cone breakup is bad, and that it was time for me to get new speakers.
Ed
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- cone breakup is bad - EdG 08/9/0121:44:19 08/9/01 (0)
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