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  1. Home Audio Subwoofers
    Rythmik LV12R By Jim Wilson (theJman) To quote the oft repeated line from the famous (infamous?) ring announcer Michael Buffer; are you ready to rummmmble?. You had better be if you buy the Rythmik LV12R, because it certainly is. This subwoofer combines power, depth and poise in equal...
  2. Speaker and Subwoofer Reviews
    Rythmik LV12R By Jim Wilson (theJman) Introduction The subject of this review is the Rythmik LV12R, a bass reflex subwoofer that uses a 12" driver and rear-facing port. Measuring 22.5"x16"x18.75" (HWD, including grill) and weighing 61 pounds means it's on the large side for a subwoofer...
  3. Reviewers Private Forum
    Rythmik LV12R By Jim Wilson (theJman) Introduction The subject of this review is the Rythmik LV12R, a bass reflex subwoofer that uses a 12" driver and rear-facing port. Measuring 22.5"x16"x18.75" (HWD, including grill) and weighing 61 pounds means it's on the large side for a subwoofer...
  4. The Sub Zone (Subwoofer Testing)
    Rythmik Audio/GR Research F12G Subwoofer Foreword: Rather than discuss only the performance of the enclosed subwoofer, I want to present some more, detailed information that not even some manufacturers are able to obtain. I will be using my own Klippel Distortion Analyzer and software...
  5. Reviewers Private Forum
    fellow reviewers, I have closed my other draft thread because I want to start fresh. I'm going to hold the first few spots for updates as what I post likely won't be able to fit in a single post itself. Foreword: Rather than discuss only the performance of the loaded enclosure, I want to...
  6. REW Forum
    Hey guys, Just added a second 15" sealed Rythmik sub to my setup! I just got done running some REW sweeps and here are the results. The green line is the sweep ran through my Parasound 2100 preamp with HT bypass (L&R mains playing) The red line is sweeps taken through my Yamaha receiver (L&R...
  7. Classifieds - Speakers and Subwoofers
    SOLD SOLD SOLD Rythmik 15” Audio Subwoofer for Sale- $950 The Rythmik D15SE is new, purchased 1 month ago and is perfect in high gloss piano black and digs deep, flat to below 14 hertz! I paid $1049 plus $90 shipping but sub is just too big for my den- 18” wide, 18” deep, 24” high. After...
  8. The Sub Zone (Subwoofer Testing)
    Driver DS1510 15" high excursion with custom sensing coil Driver materials Black anodized aluminum with rubber surround Cast aluminum basket Copper flux modulation shorting rings Amplifier 600 RMS class H patented servo controlled Dimensions 19"(W) x 19 " (H )x 20 "(D) - (21-1/2" D with...
  9. Sealed Subwoofer Build Projects
    Hello. I'm in the process of replacing my Rel Storm III in my hi-fi with two DIY 12" Rythmik subs. So far I have settled on the drivers and associated amp, and a sealed design. Of course, I have a million questions, even after reading many threads here. What's the optimal box volume? Rythmik...
  10. Sealed Subwoofer Build Projects
    If you have been following my theater build thread (link), you will know that I'm building a top notch, mid-budget theater in my basement. I am custom building the entire room myself....including the subs. I have built several subs in the past and I always enjoy the results as well as the...
  11. Home Audio Subwoofers
    Didn't see any kinda thread on it, so Ill post impressions on it once I've had time. Otherwise, look forward to any owner comments or folks just looking into buying one as well. I'm a bit picky at times, and have been thru the upgrades on my display, as well as my speakers, and finally feel Im...
  12. DIY Subwoofers - General Discussion
    Hi all. It has been a while since I last posted, but I have been lurking. I have finally started building the sub that I have been waiting these last two years to create. I am currently building a Rythmik FV15HP for myself, and while I am at it my cousin convinced me to put together a F15HP...
  13. Home Audio Subwoofers
    I have a SVS PB12-NSD. I'm generally very happy with its performance, but I like the servo-sub concept as well as a sealed enclosure. Has anyone gone from a PB12-NSD to a Rhythmik? What was your impressions? Doug
  14. Home Audio Subwoofers
    Ok considering my budget of 500 dollars which sub is the better choice from Epik Legend or Rythmik FV12? Please don't give me suggestions for other Brands as they are more expensive. My room is 5400 cubic feet. I want smooth bass and chest pounding bass but that is not boomy. Thanks in advance!!!!
  15. DIY Subwoofers - General Discussion
    Ok so my original plan was to build two sealed Rythimk 1505’s($1,200) or 1510hp’s(1,460). The significant other seems to think that is to much. :crying: So now I’m just thinking maybe one 1510hp (730) My room is about 3,900 cu.ft. Barrel vaulted. Music/Movies is probably 60/40 and I don’t listen...
  16. REW Forum
    This is my first REW sub measurement taken in a house I just moved into. Room is 12'x20'x8' and sub is in r/f corner. I have played with sub eq settings but I have a peak around 60hz that does not change much no matter what I do. Is this a room mode? How would you guys address this? Also...
  17. Home Audio Subwoofers
    Would sound be better with two Rythmik F12's or one F15 and one F12 subwoofer in a large room open to kitchen and dining rooms?
  18. Home Audio Subwoofers
    I called the number on Rythmik's site 5 times within 2 weeks, never answered. I called again 5 minutes ago and they still didn't answer. I even left a voicemail and my number last time and they haven't returned my call. What do I do? and where do I buy it from? Thanks
  19. Home Theater System Recommendations
    I have a 3,500 CF room (16x21x10+) with 6' & 2.5' openings to kitchen and 3' opening to dining room. For mostly music and some HT, I think I need one Rythmik F15HP (600W) or two F15's (370W) or two F-12's (370W). I prefer buying the F15HP but am concerned if I have nulls, I will then want to buy...
  20. Home Audio Subwoofers
    Just wondering what would be overall more satisfiying for: HT 70% , Music 30%. Room is in basement :4000cf with opening for staircase only ??
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