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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: Sealed enclosures for subwoofer posted by madisonears on April 12, 2007 at 20:37:19:
Sealed subwoofers can offer excellent performance with much better transient response (lower group delay) than traditional vented designs. The downside is lower sensitivity and the demand for greater driver excursion. High power amplifiers and new driver designs offering large linear excursion have largely conquered these problems. Quality parametric equalization is another major boon and can elevate performance of even the highest quality subwoofer by allowing room effects to be minimized.Currently, I use a pair of sealed subwoofers based on the Adire Audio Tumult 15" driver, O Audio plate amplifiers and a Velodyne SMS-1 digital parametric equalizer in my home theater. The total cost was not inexpensive (about $2000), but has been well worth it. In-room response at my listening position is essentially flat from 15Hz to the above my 80Hz crossover frequency and the system has prodigious output capability. Both movies and music benefit tremendously with room modes controlled and the other speakers freed of the burden of handling the low bass.
DIY subwoofers, such as yours, can certainly be had for relatively small investment. Parts Express sells a variety of subwoofer kits that can be easily completed by a novice and come with quality preassembled cabinets. Some of the amplifiers available even have simple single-band parametric equalization. Madisound and others provide similar offerings, and these can compare with commercial subwoofers costing many times the price. Thanks for sharing your experience.
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Follow Ups
- Re: Sealed enclosures for subwoofer - rkeman 05:43:07 04/15/07 (0)
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