Rythmik LV12R Subwoofer Discussion Thread - Page 6 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #51 of 208 Old 08-30-13, 11:16 PM
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Re: Rythmik LV12R Subwoofer Discussion Thread

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Hey all, I have a FV12, and just for fun, was considering getting a second one. I've now learned it's been replaced with the LV12r. From what I could find it was just a port relocation and an amp change out to include a lfe input and a reduction in size (the amp). My question is, is it sonically and outputwise essentially the same sub? would they match well together? Should I sell my FV12 and get a pair of LV12r's? Just curious as to what y'all thought.
I'm sure you'd be fine with just adding a LV12R to your current sub, have you tried contacting Brian to see what he thinks? I think going straight to the source would probably be your best bet.
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post #52 of 208 Old 08-31-13, 09:04 AM Thread Starter
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Re: Rythmik LV12R Subwoofer Discussion Thread

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nicktenn wrote: View Post
Hey all, I have a FV12, and just for fun, was considering getting a second one. I've now learned it's been replaced with the LV12r. From what I could find it was just a port relocation and an amp change out to include a lfe input and a reduction in size (the amp). My question is, is it sonically and outputwise essentially the same sub? would they match well together? Should I sell my FV12 and get a pair of LV12r's? Just curious as to what y'all thought.
As integrations go that one should be virtually painless. The FV and LV use the same driver, port tuning and enclosure dimensions so their sound signatures are going to be very close. The amp and port orientation are the only significant differences, but I suspect with things like Audyssey that can be overcome with little effort.

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post #53 of 208 Old 09-03-13, 09:09 PM
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Re: Rythmik LV12R Subwoofer Discussion Thread

I just received it today and I have it unpacked and have tried it out without calibratiing it to my Yamaha receiver. My first impressions from a build quality is that its a big solid sub with a nice vinyl finish. I did have to play with the settings bringing the receiver's sub output to 75% range of its max output. I had to scramble back for the volume control to bring it down to approximately 30% on the sub. I will reduce the sub channel trim to 50% of the AVR's output capability before running YPAO. I may also need to do a sub crawl again to see where I get maximum bass. I also noticed that line input gave me more output than LFE input. This is just a quick "where I'm at with this sub" after playing with it for an hour so this is no means a review. I promise to have pictures and write up a full review of my impressions.

I also want to add that both Brian and Enrico were very helpful in answering my questions. Thank you gentlemen for supporting a crazy frost bitten Canuck. Enrico I will have many questions to ask you about setting up this sub. Thanks again gents for all the help you provided me so far.

Here's a couple of pics that show the size difference between the LV-R2 and the Subsonic 5
Attached Thumbnails
Rythmik LV12R Subwoofer Discussion Thread-lvr12_sub5.jpg  

Rythmik LV12R Subwoofer Discussion Thread-lvr12_sub5-2.jpg  


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post #54 of 208 Old 09-13-13, 11:19 AM
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Re: Rythmik LV12R Subwoofer Discussion Thread

Thinking about the LV12R and have one question. Placement restraints require, and are non-negotiable (WAF) the sub to be corner placed and there will only be 3" of distance from the back of the sub to the wall. Will this negatively effect the sub in regards to the rear facing port?

I am thinking a sealed sub (SVS SB12-NSD) is better suited to this location?
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post #55 of 208 Old 09-13-13, 12:30 PM Thread Starter
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Re: Rythmik LV12R Subwoofer Discussion Thread

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D Bone wrote: View Post
Thinking about the LV12R and have one question. Placement restraints require, and are non-negotiable (WAF) the sub to be corner placed and there will only be 3" of distance from the back of the sub to the wall. Will this negatively effect the sub in regards to the rear facing port?
That's probably a little on the tight side. I think the vent would prefer about double that amount.


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D Bone wrote: View Post
I am thinking a sealed sub (SVS SB12-NSD) is better suited to this location?
Without knowing the room size and intended usage it's not really possible to answer this one.

-Jim

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post #56 of 208 Old 09-17-13, 02:30 PM
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My review of the Rythmik LV12R Subwoofer

The LV12R ARRIVES

I was enroute to the vet with sick cat in tow when my daughter called me indicating that UPS just left the subwoofer at the front door. She managed to gently role it on its side to get it into the door and pushed the carton far enough from the door to lock it.

I eventually returned home with the cat and some required meds and then looked at the box. “Wow!! This thing is big” I thought. I managed to carry the unit into the basement and into my home theater area.



I checked all around the box to see if there were any tears or puncture but it all seemed intact. I opened the box and noticed the instructions were lying on top of a Styrofoam foam tray that was used to keep the sub centred and anchored in the box. Along with the instructions were a couple of boxes which held the power cord and the sub’s rubber feet. As you can tell from the pics, the box was very sturdy with nice thick walls all around.



Lifting off the tray, I noticed that the sub was sealed in a plastic bag. I extracted the sub from the box after carefully laying the carton on its side.



TIME TO COMPARE
Physically, this sub is much larger than the PSB Subsonic 5 sub it replaces as illustrated by the pics.





I initially put the LV-R12 where the PSB used to sit and quickly connected it to my system and loaded up Transformers in DVD on the Blu-ray player. I was shocked that I barely heard any bass at all from it. The PSB at that location easily outplayed it. Instead of panicking at this point, I thought a new bass crawl and a recalibration of YPAO was in order to rectify this. I wouldn’t be able to do this for another two agonizingly long days.

The NEW SWEET SPOT
From the pics below, one can see that the new sweet spot was behind my left speaker. There was not a whole lot of room back there and I was worried that the sub’s proximity to my speaker would cause sonic issues. Brian Ding of Rythmik quickly responded to my inquiry and told me that this would not be an issue for either the speaker or the sub. I reran YPAO at this point and I was ready for my first foray into 20 Hz bass, something the PSB just could not do.







The BASS
Since my primary purpose for this sub is HT, I primarily tested it using Blu-ray’s. Before I describe what I’ve heard during my listening tests, I want to put out a point of reference to SPL. I was listening to a level where just the dialog scenes were hovering between 75 and 80db. I should have measured the output during the bass peaks but I forgot too. I just was too amazed at what I was hearing.
I loaded up Iron Man 2 and this film is riddled with deep bass scenes from the get go. The opening scene has IronMan2 flying to the Stark Expo through the volley of exploding fireworks. Each explosion left both a very tactile thump in my chest and a nice tight articulate rumble that coursed through the room. The bass was tight with no hint of sloppiness.

I immediately followed up Ironman 2 with the Avengers, another film I would use to show off my HT system. During the collapse of the laboratory facilities, my eldest daughter calls me from her cell (she’s upstairs in the kitchen and directly overhead my listening position) saying that the empty can of bake beans has rattled across the sink and fell in. From my listening position, I felt my chest rattle as the lab was collapsing. I could easily make out individual bass notes during the collapse as well indicating how articulate the LV-R12 is in its bass delivery.

In a nut shell, I both felt and heard bass that was extremely tight and tuneful with no sloppiness or booming. I was quite amazed at how detailed the LV-R12 played. Not only did I feel the bass but I could easily discern individual notes changes within the scenes hearing the pitch rise and/or fall. I whole heartedly recommend this sub. Its even more remarkable when you consider its price tag of $589.
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post #57 of 208 Old 09-17-13, 02:52 PM
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Re: Rythmik LV12R Subwoofer Discussion Thread

Nice! Love the comment about the empty can. Sounds pretty impressive. That's cool that a single 12" sub can do all that. How big is your room? I've been wanting to DIY boxes for a pair of F15HP clones and it sounds like I won't have an output problem! Thanks.
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post #58 of 208 Old 09-17-13, 05:12 PM Thread Starter
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Re: My review of the Rythmik LV12R Subwoofer

Quote:
3dbinCanada wrote: View Post
In a nut shell, I both felt and heard bass that was extremely tight and tuneful with no sloppiness or booming. I was quite amazed at how detailed the LV-R12 played. Not only did I feel the bass but I could easily discern individual notes changes within the scenes hearing the pitch rise and/or fall. I whole heartedly recommend this sub. Its even more remarkable when you consider its price tag of $589.
Just wait until it's broken in some more, things get better. Glad everything worked out so well for you.

-Jim

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post #59 of 208 Old 09-17-13, 06:12 PM
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Re: Rythmik LV12R Subwoofer Discussion Thread

How much room did you leave from the rear port to the wall?
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post #60 of 208 Old 09-17-13, 09:53 PM
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Re: Rythmik LV12R Subwoofer Discussion Thread

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How much room did you leave from the rear port to the wall?

About 6 to 8 inches
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