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The PB-3000 has the same cool features and slightly improved sound quality, along with a big jump in performance (max output) compared to the PB-2000 Pro. In many respects, the PB-3000 may be the best value in the SVS line-up. (The new 1000 Pro series subs could also be contenders for that.) If you compare the frequencies from, let's say 40Hz and up, the PB-3000 averages about +5dB more SPL at every frequency. Adding a second PB-2000 Pro would only net an increase of +6dB, so a +5dB advantage is substantial.

If you look at the frequencies below 40Hz, there is a little less than a +2dB advantage for the PB-3000 at 31.5Hz and 25Hz. But, that advantage increases to +3dB at 20Hz and at 16Hz. At 12.5Hz, the PB-2000 Pro didn't pass, while the PB-3000 is still putting out 82dB. The PB-3000 has a little larger and more efficient driver, more amplifier power, a lower port tune, and a larger cabinet volume, than the PB-2000 Pro. All of those features combine to make it a superior performer."

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Audioholics reviews for subwoofers are pretty legendary and deep.  Read what they had to say

https://www.audioholics.com/subwoofer-reviews/svs-3000/conclusion



But to circle back to your "best sounding sub ever" comment...

There is an entire monster subwoofer thread over at avsforums where this is debated daily   there is also monster brand specific threads that have fan boys from other brands coming in to stir the pot

I have been around this hobby heavily since i was 10.  I am almost 40 now.

My 2 cents...

A subwoofer contending for "best sounding ever" should have the following all be considered:

1) specs.  I think a best ever sub should reach at LEAST 14hz these days.  And should have massive output across all frequencies

2) low distortion.  High efficiency

3) large power

4) high quality parts

5) good customer service

6) competitive pricing

And only the handful of companies I listed check all those boxes (minus seaton)

And in my opinion...nothing beats the sound of a PSA sub with their pro B&C drivers.  They are low excursion, articulate, fast and sensitive.  They capture everything. Their parts and cabinets are all high quality.  Their customer service is one of the best.  And their pricing for what you get...can't be beat

I recommend other brands but I personally think PSA would be in talk for best sounding ever.   but that is my bias

Also should note...i researched for years before spending big money on a sub.  So i haven't owned a ton of high quality offerings that are out there.  Out of the "big contenders" I have only personally heard the SVS and PSA brands

Glad ur new addition is creating/giving you more ear candy than you had before!

At the end of the day, that is what this hobby is all about

Though i should note: it is amazing how just proper setup and calibration can breathe new and exciting life into existing equipment.  Especially bass/subwoofer management.

But for home theater as a whole, placements, room treatments, frequency, level and distance eq(performed by most receivers 10 years old or newer, via microphone) and equipment choice...this hobby is neverending.

I have been constantly revolving and evolving my equipment and methods for 30 years.  And i am still learning to this day (thx to avs forums)

Going down the rabbit hole with room eq wizard (REW) and mini dsp, is my next venture

Did you know there is a new "thing" called BEQ

Quote:

Bass EQ or BEQ has been talked about on Data Bass forums... since ~2014
for Restoring some Bluray/4K UHD movies that have had their lower frequencies severely filtered.

The ULF content is still there on the disc for the taking,
and with the right software the ULF/LFE levels can be restored.

This is not made up content, noise or filler, it's real low frequency material that "some" sound engineers decided no one needed to hear/feel. So the lowest frequencies output levels were just reduced to soundbar levels, But are still ripe for the picking with the right software.

@3ll3d00d has Developed the Ultimate Tool for BassEQ, The BEQDesigner
that @aron7awol has been using to create 1200+ BEQ settings/graphs and spectrogram heat maps.

For Home Theater Enthusiasts with Full Range Systems with multiple capable subs, Crowsons, Buttkickers and/or motion actuators, BEQ is a Total Game Changer!

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