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Is There A Big Difference Between Subwoofers From Different Manufacturers

This is likely the last thread I’ll be posting about subwoofers.

I was just wondering if there is really a big difference between subwoofers from different manufacturers if the quality of the subs (which is mostly governed by the specifications) are fairly similar. Also, with the assumption that the set up is properly done to ensure a seamless integration with the main speakers.

There have been many comparisons or experiences on subwoofers shared by members here on this forum, people who upgraded their old sub to a new seemingly superior sub. Or people who added additional subs to the system which contributed to an overall improved bass performance. I’m referring to the former, the comparison between single subs.

To cut to the chase, I understand high quality subwoofers which are essentially higher spec designs will usually produce better performance than lower spec subs. When people upgrade their subs, I assume the new subs are superior in terms of specification, either a larger sub with larger drivers, higher power output of the internal amplifier, lower frequency extension or the combination of any of the above.

Has anyone compared subs which are fairly similar in quality or performance when upgrading from the old sub?

Example. If someone upgraded from a REL T7x to an SVS SB-3000 or SB-4000, I suppose the SVS would be an upgrade since they come with larger drivers, higher power output, everything superior spec-wise. What if the models are closely spec’d? Will the subs sound fairly similar or closer to each other ?

Say, the comparison between

SVS SB-3000/4000
Rythmik F12SE / F15
REL S510 / S812 / Carbon Special or Limited

I presume the subs will still sound slightly different but the difference may not be night and day if the quality or specifications are closely matched?

 

ryder
ryder OP
1,769 posts
 

Thanks for all thoughts. All good points.

Similarly, apart from sound quality the design comes first for me. I’m bringing up specifications to suggest that subs from different manufacturers may sound closer to each other, that’s all.

Purchase not driven by budget? I guess that is only applicable to billionaires. Anyway, that is good news about the REL. I have read many good reviews on the RELs throughout the years since the early days when they were built in England, the Strata and Studio III. I just haven’t managed to try one yet. Apart from sound quality, the one aspect I like about the REL is the looks and build quality. It looks like some expensive piece of hifi equipment when compared to most subs out there. The new range with the printed text on white/silver colored drivers, the logo on the feet, small metal piece at the top and the small details all add up to the elegance of the design

 

music_is_life's avatar
music_is_life
188 posts
 

I agree wholeheartedly with @lalitk . I read about the nightmare’s people have setting up subs. Never had an issue with REL.

lalitk's avatar
lalitk
6,180 posts
 

@ryder

When I mentioned budget in previous post, I was referencing to decisions driven by lower cost of subs compared to REL. The REL Serie S cost more but you also get the outstanding build quality and ample watts in return.

I own a pair of Carbon Limited and found them to be more than adequate in my 15’ D x 30’ W dedicated audio room. 

mijostyn's avatar
mijostyn
8,570 posts
 

@ryder , sure. If you compare a range of 12" subwoofers there is a lot of difference. The single most important factor in subs is the enclosure. It has to be stiff, non resonant and heavy. The best spec to compare is weight. The heavier subwoofer is likely to be better. What the enclosure looks like means nothing. The best subs on the market use a balanced force approach. They put two identical drivers opposite from each other in phase. The Newtonian forces cancel and the enclosure does not shake. Magico makes it's subs this way. KEF uses this technique in the Blade. 

I build my own. I can make them heavier and stiffer than any company would care to for cost reasons. There are probably over 100 sub drivers on the market and many of them are excellent and even better than the units used by the manufacturers again for cost reasons. 

mijostyn's avatar
mijostyn
8,570 posts
 

REL's system was created to cheaply get subs into peoples system (they don't have to buy additional items). It is a relatively poor way to do it and it fails to take advantage of a subwoofer's best advantages. People using that system should know that there are additional benefits they can grow into and really improve the performance of their system.

Rules of the Road.

Subwoofers have to be in corners or against walls.

Subwoofers have to be in phase with and time aligned with the main speakers.

Crossover should be between 80 and 100 Hz

Multiple subs in a symmetrical array are mandatory (at least two)

Bigger drivers are better. 10" is the smallest that should be used. At least four 10" subs would be needed. Two 12s will suffice.  

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