Speaker Asylum

Do you mean you want a 41Hz. note to be a 42Hz. note?

66.51.146.158

In Reply to: RE: the fastest sub under $5K for music: recommendations? posted by soundquest on March 10, 2008 at 08:36:24

Room resonances caused by standing waves will typically take 200 milliseconds to fade to inaudibility (-30dB).
You won't be reproducing a bassline accurately if a listener hears bass peaks from standing waves, that are typically +3 to +6dB, and take 1/5 second to fade away. In the subwoofer's range +6dB sounds subjectively twice as loud as the bass musician intended! Measured at any seating position, bass frequency response is rarely within a -12 to +6dB range unless parametrically equalized.
Standing waves cause annoying audible (but correctable) bass problems in nine out of ten home listening rooms. If these reflections are not controlled, the brand of subwoofer used is almost irrelevant (unless the sub includes least three bands of parametric EQ built in).
Velodyne sells some expensive subwoofers with built-in EQ.
The tools to address bass peaks are lots of bass traps and parametric EQ.
Few people will use enough bass traps so that parametric EQ would not be needed too
A room with uncontrolled standing waves will never sound "fast".
Exceptions tend to be extremely large rooms (nightclubs, auditoriums and some unusually large and tall home listening rooms) that will sound good without EQ.
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Richard BassNut Greene
"I know what I hear" is often an audio fantasyland

Edits: 03/10/08 03/10/08

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