Vandersteen Sub woofers v Rythmik Subs


I really love the idea of the Vandersteen Subs where they are connected with the mains via extra speaker cable off right and left channels off the main amplifier, which is supposed to provide better bass transition from the mains while keeping the signature from the main amplifier. My question is with Vandersteen coming out with the SUB THREE and the price going significantly higher, I was wondering if there are other subs for less that you could integrate in the same way. (Most subs seem to rely on the line level input which is just a sub-woofer RCA going from the pre-amp to the amp on the sub). Can this same Vandersteen set-up be achieved with other subs?
I picked Rythmik since they are known (in the home theater community anyway) for being one of the best bang for the buck subs and the most "musical" of the bunch. (between Hsu, SVS, PSA).
And could I possibly achieve even greater sub-woofer nirvana since I could get an 18" for around $1500? Vandies only have 3 eight inchers.

I am a Vandersteen fanboy and I would like to support RV whenever I can, but don’t know much about my other sub-woofer options so looking for some feedback. Doesn’t even have to be related to Rythmik necessarily. If you know of other subs that can integrate the same way I want to know about it!

Thanks
bstatmeister
Thunder...I believe that is AC-DC song, lots of image depth on that one....
better left to the Cornwalls.....ha
LMAO...Those were one of the first high end speakers I heard when I was 9. The local guy where I bought my Yamaha YP211 TT/Grado cart, Yamaha CR 620 receiver and locally made/sold 3 way speakers carried Klipsch.   he had phase linear and Crown too.  That's what he drove them with. He also used a small tube amp, who's name I will never remember.  Corner horns were unreal.  Friends of mine got Heresey's .  I turned a lot of guys into audiophiles back in the day, lmao..
ctsooner,
     My first decent system was a pair of unfinished Klipsch Heresey and a Yamaha CR series 40 watt receiver and modest TT setup that I used through college.  I always regret not trying tubes with that setup but, if I recall correctly, I enjoyed Talking Heads, Peter Gabriel and Supertramp tunes back then at high volumes with some solid punch in the bass.

  " reat bass is amazing, so is state of the art imaging !
a 40 HZ filter is certainly low....not a ton of music down there...
what are you listening to with content down that low ?"

tomic601,
     
   Yes, a 40 Hz low-pass cutoff is fairly low.  My system is a combo ht and music system in my living room.  For ht, I'm getting a lot of content that's 40 Hz and below  both through Bluray discs played//Dolby Digital surround decoded  through my Oppo 105 and even surprisingly high quality content from the local Xfinity  hi-def cable . 
      I'm currently watching an Epix HDTV series  called Get Shorty.  The 24 bit/96 Khz PWM soundtrack is very good, often with a very realistic drum riff in the background.  The drum kit seems to be in the room front and center.  I believe it sounds so realistic because the AK Debra dba system's bass is so accurate, dynamic and articulate/defined; providing natural and life-like bass which makes it very easy to distinguish the heard and felt bass of the kick drum from the sharp and taut bass of the tom-tom.  I also believe there are higher frequency bass harmonics being reproduced by my main speakers, Magnepan panels running full range, that contribute to the very realistic sound stage illusion.
     For music, I don't listen to pipe-organs but my music collection, consisting of ripped Redbook 16 bit//44 Khz CDs and 24 bit/96 Khz hi-res  WAV files on a NAS 10 TB hard drive, must contain deep bass information because I'm hearing the Debra's deep bass contributions consistently. on my music: Fat boy Slim, Parov Stelar, Jennifer Gomes and various Rock/R&B/Blues/Jazz all on CD and hi-res.

Tim 
HT
I understand now....

I guess I was spoiled, my first pair of speakers were Infinity....and a class A Onkyo amp - stayed class A to 7 watts, Denon table and a very nice Grado.....
I loved those old Denon TT's. They looked great and were built like tanks, lol.  I used only Technic's and Stanton cart when DJ'ing or at the radio station.