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DUAL SUBS IN THE $10,000-$15,000 RANGE

I just sold my pair of JL F212's after hearing the Gotham(big mistake!). I'm about to drop $15G's for a pair of used(store demo's) Gotham's that have being upgraded from v1 to v2. Now since I'm about to spend big mula on bass, why not consider others awesome subs that may even be better than the Gotham's(if possible). I want my subs to do both music(primary) & bombastic movies(secondary) with LOW distortion. Please comments on the list below or add others I am missing. I listing them in my preference. Thank you!

JL Audio Gotham 213 for $15,000 pair(used with warranty)

Funk Audio 21.0 $10,136 pair new(20% discount for the month of December)

Revel Rhythm 2 pair used

DIY with multiple TCsounds LMS ULTRA 5400 18"'s






ptheo

Showing 3 responses by bdp24

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bdp24
9,510 posts
 
Those are all great choices. Another is the Rythmik F25 at $3k (plus shipping) for a pair, $6 for a quad, $9k for a sextet, $12k for an octet, and $15k for ten (a dectet? ;-). Rythmik's 10% discount for a purchase of multiples will pay for the shipping. The F25 features two aluminum-coned 15" woofers controlled by designer Brian Ding's patented Direct Servo Feedback circuitry, each driver powered by it's own 400w amp. That is less power than that found in some other subs, but the Rythmik driver is unusually sensitive/efficient, not needing as much power to produce a given SPL as the woofers used in those subs. The TC Sounds LMS Ultra 5400, for instance, is extremely insensitive, needing far more power than other woofers to reach full output. The Rythmik F25 is a very sophisticated, high-performance subwoofer, and an absolute bargain.
bdp24's avatar
bdp24
9,510 posts
 

ct0517---Oh yeah, the ET Rotary sub. I don't remember it's price, but what a sub---flat to 0hz! Bruce Thigpen has one of the most creative minds in the history of Hi-Fi.

For an enclosure in which to install an 18" woofer, go to the DIY Soundgroup website, where you can buy a well designed MDF flat pack for $115 plus shipping. I believe Parts Express sells the same flat pack for a bit more. 

bdp24's avatar
bdp24
9,510 posts
 
Just so you'll know, the Rythmik Servo Feedback plate amp is available in two different XLR versions, one of which (XLR2) allows master-slave hook-up, operation, and adjustment of multiple subs. The feedback system also deals with the resonance of the MDF enclosure, as well the thermal artifacts endemic to ALL drivers. Those effects are the result of the electrical characteristics of all woofers changing as their voice-coils heat up and cool down in normal operation. That's just the tip of the Rythmik iceberg. As I said, very sophisticated! The Rythmik website goes into great detail explain Brian Dings design.
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