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Anyone else notice this? ,High Output is much easier to find than High Sound Quality!

4293 Views 49 Replies 27 Participants Last post by  jiddu
I've had the home theater hobby a number of years now and I have just now noticed something while shopping for yet another subwoofer. When I first got into this hobby output was just about all I cared about....if it was loud I was happy but as the years have gone by loud has become way less important than sound quality. I suppose the fact that I listen to music more than I watch movies probably has a lot to do with it.

Anyhow........

Anyone else notice that a high output subwoofer is WAY easier to find than a subwoofer with high sound quality?
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Quote:
Originally Posted by James W. Johnson /forum/post/16831386


I've had the home theater hobby a number of years now and I have just now noticed something while shopping for yet another subwoofer. When I first got into this hobby output was just about all I cared about....if it was loud I was happy but as the years have gone by loud has become way less important than sound quality. I suppose the fact that I listen to music more than I watch movies probably has a lot to do with it.

Anyhow........

Anyone else notice that a high output subwoofer is WAY easier to find than a subwoofer with high sound quality?

Definately, easier to find and cheaper to buy. Luckily several great subs have come to market over the last few years that do both (output and quality) at good prices. IE: PB13-Ultra, Seaton Submersive (from what others have stated), the Hsu VTF 3 MK III I auditioned sounded very good with very good quality at a great price.


Something that struck me was how much placement, room treatments and proper EQ can improve a listening experience at all sound levels. Amazing just how much detail is actually present in those low octaves.
agreed--my 4 ht subs are all sealed (spl-r series velos)--placement certainly makes a huge difference both in output and sq imho--at least that has been my experience

Quote:
Originally Posted by James W. Johnson /forum/post/16831386


I've had the home theater hobby a number of years now and I have just now noticed something while shopping for yet another subwoofer. When I first got into this hobby output was just about all I cared about....if it was loud I was happy but as the years have gone by loud has become way less important than sound quality. I suppose the fact that I listen to music more than I watch movies probably has a lot to do with it.

Anyhow........

Anyone else notice that a high output subwoofer is WAY easier to find than a subwoofer with high sound quality?

James just buy the ULS -15 Dual Drive or Seaton Submersive and call it a day. You can't go wrong with either choice.
For sealed the Epik Dragon seems to be a good SQ winner.


I'm a big fan of my Epik Phoenix.
Good post... My take on this is very similar to you. Back about 5-10 years ago, my goal was to literally shake the house down during a movie. Now, I'm out to chase down the ultimate in quality sound. I see so many people on forums recommending subs for HT based only on output and extension.
What about sound quality??? I want my bass to be fast, accurate and go away just as quickly as it arrived. This is precisely why my latest sub purchase ended up being a sealed box enclosure, and my application is 100% HT.
There are many sealed subs available at this point that can dig very deep and play plenty loud enough for the majority of theater applications. Plus, you can always add more subs, if you crave "ear bleeding" type of output. Another added bonus is their smaller more pleasing appearance, which also gives many more placement options. IMO, subs should never be seen, only heard.



But, I don't see those high output large ported box subs going away anytime soon, because they provide very good performance in many cases, are very affordable, and give "bassheads" that "eargasm" they so desperately strive for.
Additionally, I think many guys enjoy having those huge intimidating looking subs in their theaters that just ooze POWER, and provide a showcase for friends and family.


My two cents...
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Quote:
Originally Posted by James W. Johnson /forum/post/16831386


Anyone else notice that a high output subwoofer is WAY easier to find than a subwoofer with high sound quality?

I have been saying this for years.


Back a few years ago it was Hsu vs SVS. Until SVS's current Ultra, IMO, they could not hold a candle in terms of sound quality to the Hsus.....but SVS did a great job in marketing output. Not many took the time to compare in terms of sound quality. More seem to be doing that now.


Go for quality first. Once you have that, and need more output, get more of the same sub. It doesn't work the other way around.
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I agree, I perfer the SQ over output any day. I also perfer sealed. That's why I got the Dragon. Great sound and good output.
I think this is very reason why so many people have now become focused on the poorly used term "musical."


It simply means a subwoofer that has quick response/decay, accurate and tight bass, etc. Musical is just a different way to describe quality over quantity, in my personal opinion.
The tricky thing about perceived sound quality is that it must go hand-in-hand with room quality. Any sub, no matter how great, can sound like crap in a crappy room. Also, a good sub of whatever design should be chosen so that it's sonic characteristics compliment the acoustics of the room it is going into. To do otherwise is like rowing against the tide.

Quote:
Originally Posted by mojomike /forum/post/16834403


The tricky thing about perceived sound quality is that it must go hand-in-hand with room quality. Any sub, no matter how great, can sound like crap in a crappy room. Also, a good sub of whatever design should be chosen so that it's sonic characteristics compliment the acoustics of the room it is going into. To do otherwise is like rowing against the tide.

I think you hit the nail on the head. A quality sub may not convey it's potential in a acoustically problematic and/or poorly treated room. That's why those in the know talk about a properly treated room has most profound impact on sound quality (one could say best dollar's spent).

Quote:
Originally Posted by rboster /forum/post/16834717


I think you hit the nail on the head. A quality sub may not convey it's potential in a acoustically problematic and/or poorly treated room. That's why those in the know talk about a properly treated room has most profound impact on sound quality (one could say best dollar's spent).


I agree, and sometimes simply moving the subwoofer to a different spot in the room can dramatically change things.
I don't think easy acoustical treatment solutions work all that well in the lower freqs where room dimensions and shape play a far greater role and create problems that can be tough to mitigate. Sub placement and listening positions and multiple subs are about the only really viable option to attempting to deal with a room's modes. I've gone so far as to build two walls within my theater to change its dimensions to something a bit more low freq friendly. The way I see it is... a bad sounding sub will still sound bad even in a listening environment and position that has been optimized for the best possible sound quality and matched with mains, whereas a sub with excellent SQ attributes can be made to sound boomy and slow in the wrong environment and position but nevertheless has the potential to sound better if better placement and phasing etc can be found.


It seems so many of the comparison lists I see are geared to ranking by extension at SPLs and so many of the discussions in this forum end up focusing on these same performance criteria. The conversation seems to revolve around worn expressions having to do with pant legs flapping, kick in the chest, body slamming, butt vibrating... everything physical and nothing pertaining to what the ear is experiencing. The conversation seems to resemble a theme park ride experience rather than an audio experience. I personally feel that the quality of the majority of bass heard is going to be above 30Hz... these are the freqs where it is easier to judge sound quality and where most music and voices are limited to. Below 30Hz is for nuclear explosions, earthquakes, meteor strikes, plane crashes, dinosaur foot-falls, spaceship landings, all those things that most of us have never heard in reality and even so, those faked sound 'effects' are actually created by other people who are also guessing as to what these things probably would sound like. Its just not possible to accurately judge sound quality from those sources especially down in those low freq regions. I listen for accuracy especially above 50Hz as this is the region where I believe most people's impression of bass tightness and quality is actually being derived from.


One of the reasons I rarely participate in this sub forum is that most discussion of subs here is often just too testosterone-laden to be very informative or interesting. And now to get this back on topic... I believe the subwoofer market is choosing low extension at high SPLs over mid-bass sound quality and... since sales/profit is what drives any market the manufacturers are merely chasing the current market trend with their product offerings, which is "that lower and louder (for cheaper) is what really sells subs".
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Quote:
Originally Posted by Johnsteph10 /forum/post/16834305


I think this is very reason why so many people have now become focused on the poorly used term "musical."


It simply means a subwoofer that has quick response/decay, accurate and tight bass, etc. Musical is just a different way to describe quality over quantity, in my personal opinion.

I agree 100%.
If so, then we should be able to obtain data that corroborates what Joseph10 wrote. IOW the data should be able to suggest which subs trend more to being 'musical' and that ought to correlate positively with people's stated subjective assessment. And the data is...where?

Quote:
Originally Posted by Chu Gai /forum/post/16836135


If so, then we should be able to obtain data that corroborates what Joseph10 wrote. IOW the data should be able to suggest which subs trend more to being 'musical' and that ought to correlate positively with people's stated subjective assessment. And the data is...where?

Now, that's another million dollar question. Almost all of the testing done in the popular literature measures such things as peak spl (quantity), excursion (quantity), driver size (quantity), box dimensions (quantity), etc...


Quality of bass is something perhaps more nebulous and difficulty as ascertain -- especially when the public demands the much more popular loud, deep bass.


I think craigsub's listening results touched on the idea...but many people don't focus on those results...especially since that part of the test is so subjective.
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Actually Ed Mullen before he joined SVS and Ilka over at HTS both did some very good measurements, like power compression, spectral decay, THD and the likes that could be indicative of the subjective quality of a given sub.

Quote:
Originally Posted by thehun /forum/post/16839728


Actually Ed Mullen before he joined SVS and Ilka over at HTS both did some very good measurements, like power compression, spectral decay, THD and the likes that could be indicative of the subjective quality of a given sub.

Which was a good start...and I think it was back in 2002 (if I remember correctly).
Just do near field then if you don't mind its negatives.....


Are there any traps for below 40Hz?
 http://www.sengpielaudio.com/calculator-wavelength.htm


40Hz has a wavelength of ~8.5meters...your absorbant media will have to be ~2 meters thick



turns your HT room into a closet
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