What sub to use for Subthump box?
I have run Rockford Fosgate HE2, JL Audio W3V2 D4, CDT EF-100, Alpine Type-S and currently am using a RE Audio SE D4 sub. I am waiting the release of the next batch of CDT HD-S.Q. subs which will happen in January. Those will be going in as soon as I get them. The above mentioned were used in a variety of stealth enclosures from MTX, Vantage, and Subthump as well as my own fiberglass stealth enclosure. All have about the same airspace volume at .6-.7ft^3.
The sub that sounded the "deepest" to me is the RE Audio. It was the best for boom type bass but does the techno type bass well also. The tightest was the CDT EF-100 for real tight kickdrum thump that hits hard. The JL W3 was another strong sub but lacked the low end. All the others worked well but the top three in my book that I've heard and used were the above.
My personal opinion is that the W3 is overpriced at $165.00. Stamped steel basket, 300watts rms, and a single voice coil...no dual voice coil available anymore in the W3 limits your wiring options. I think the W3V2 was a better more versatile sub. JL just made the W3 look like a W6/7, upped the price, and reduced it to a single voice coil.
The RE Audio SE is my favorite and is in the same price range as the W3 but not even in the same ballpark as far as performance.
The CDT EF-100 is in the same league as the Kicker CVR, RF P3, JL W3 but I think delivers better overall sound quality.
For the record these are all subs I've used in the past or have heard in person. Opinions will vary across the board on this but the bottom line is your budget and your listening tastes should be the determining factors.
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W3's cus JLaudio has always been my top choice of subs to use. But i quickly changed my choice to the Boston Acoustics. i have 2 G3's and there the best sounding subs i have heard in a long time. the jl's had a more sloppy/dirty base sound while the G3's hit hard and are very Tight. but as eveyone has said, its all personal opinion. But i would say Boston Acoustic G3



