Speaker Asylum

General speaker questions for audio and home theater.

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RE: Looking to go "full range" - got it!

Posted by JerryS on March 7, 2011 at 08:01:11:
Thanks for your kind words about my site. Regarding matching a sub, it seems that sealed main speakers are better because there is less phase shift at the bottom of their frequency range. Also, it is usually possible to use a sealed speaker without a separate high-pass crossover because although the voice coil can become hot with increasing power, it is difficult to exceed the cone travel limits (Vmax) as the air spring inside the cabinet naturally limits over-excursion. This is not the case with ported speakers.

The ear is less sensitive to frequency and phase anomalies as the frequency decreases, which partially explains why blending a sub with main speakers in the 50-70 Hz range can be less obvious, intrusive and harmful than a crossover in the 200-500 Hz range which is common in 3-way speakers.

With ported speakers, one can usually plug the port (put a sock in it?) and achieve similar results.

JerryS