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In Reply to: RE: a subwoofer is worthless posted by madisonears on April 13, 2017 at 18:23:26
Worthless is too strong of word, less than optimal seems more true to the reality.
Anybody whos had a speaker like a Spice tc50 or even the little NHT zero, and simply added a subwoofer, rarely would say the result was worthless.
One of the earliest and still to this day a fine implementation of sub/mains was the JBL L212. The whole system did not "filter the mains", it simply used the sealed alignment with a fairly amazing 8 inch driver that resulted in a F3 of 70 hz. There was no electrical filtering or subsonic filter to that unit and it still moved to signals below 70hz.
Would it have been even more optimal with filter, sure, but was it "required or worthless", nope.
I know where you are going with the statement "worthless", but that is too black/white based upon decades of usage and overall performance gains in adding a subwoofer to bass shy main speakers.
One of the concerns many have is "the filter of the mains", means there is another set of components that the signal goes through, and some of the worst "filter of mains" is simply a big ol cheap Electrolytic cap that all of the frequencies go through and you get to hear that for every note, not just bass range. In that case , people are better off with "unfiltered mains".
Follow Ups:
I agree. It is short sighted in my opinion to make blanket statements about the best way to implement a sub into your system. I've been using them for the past 20 years and some implementations work better than others. It is possible with both filtered and unfiltered implementations to obtain good and not so good results. Both REL and Vandersteen though at opposite ends of the spectrum have optimized their products to best utilize their respective design philosophy. I would rather have a well implemented "filterless" system like the REL than a poorly implemented filtered system.
Edits: 04/15/17 04/15/17
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