Official Rythmik Audio Subwoofer thread - Page 597 - AVS | Home Theater Discussions And Reviews
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post #17881 of 17908 Old 02-26-2015, 12:15 PM
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Originally Posted by JT78681 View Post
So ever since I re-ran Audyssey in single port mode with high dampening things seem to sound a little better to my ears. I just got done watching the Edge of Tomorrow intro a few times first at -20, -15, and -10. No port chuffing and no clipping. For all of you FV15HP owners does a red light flash when your amplifier is clipping? The reason I ask is because my old LV12R's would flash red when driven too hard.
I've yet to see the red light flash on my two FV15HP and i've pushed them pretty hard to -8 on my Yamaha RX-A2010. I have had the limiter kicked in though, I only noticed when testing the subs with all speakers disabled, but there was no flashing of the red light

I actually have a question myself, I know this question is fairly subjective as it is based on room dimensions and frequency response. But I would like to know what are the peak SPL you folks getting with your FV15HP? I'm running duals in my room that is roughly 2300 cubic feet. The max volume I've seen on my spl metre is 114 decibels and that is with two ports open on both sub. My FR is pretty flat from 31 hz to 80 with +/- 1 variation. I am in a basement, not sure how much the contributes to loss of SPL.

I forgot to add the room is not completely sealed. There is roughly a 5 x 8 feet opening on the right that leads to a staircase.

Television: Panasonic TC-P65VT60
Receiver: Yamaha RX-A2010
Speakers: Energy RC-70's, RC-LCR, RC-10 (4), Rythmik FV15HP (2) and Velodyne VDR-12 (3),

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post #17882 of 17908 Old 02-26-2015, 12:41 PM
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Originally Posted by Rythmik View Post
L12 is intended as entry level model. It is not to replace F series models. So I will say you can still hear a slight difference in side-by-side comparison. But it still preserves the aritculate sound quality that ours subs are known for. The output between 30hz to 80hz is slightly less than F12 because of smaller enclosure size (14" cube). The difference of output between 50hz to 100hz is however less. The whole idea is to make it compact and therefore also save shipping cost.
Thanks so much for the quick reply. Is it fair to say that even though the L12 is an entry model, because of the servo accuracy it will sound as good as the SB2000? Also, has it been decided whether it will be available in a matte black non textured finish?
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post #17883 of 17908 Old 02-26-2015, 12:59 PM
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Originally Posted by ah_1014 View Post
I have had the limiter kicked in though, I only noticed when testing the subs with all speakers disabled, but there was no flashing of the red light
How do you know the limiter kicked in if there is no indication on sub?
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post #17884 of 17908 Old 02-26-2015, 01:02 PM
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Originally Posted by Rythmik View Post
L12 is intended as entry level model. It is not to replace F series models. So I will say you can still hear a slight difference in side-by-side comparison. But it still preserves the aritculate sound quality that ours subs are known for. The output between 30hz to 80hz is slightly less than F12 because of smaller enclosure size (14" cube). The difference of output between 50hz to 100hz is however less. The whole idea is to make it compact and therefore also save shipping cost.
Brian,

Can you answer my question a few posts back about the amplifier and clipping? Thanks!

Receiver - Denon 4311CI
Speakers - Infinity P363's, PC351, P153's
Subs - Rythmik FV15HP's
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post #17885 of 17908 Old 02-26-2015, 01:07 PM
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Originally Posted by tvuong View Post
How do you know the limiter kicked in if there is no indication on sub?
That's what I was getting ready to ask myself.

Receiver - Denon 4311CI
Speakers - Infinity P363's, PC351, P153's
Subs - Rythmik FV15HP's
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post #17886 of 17908 Old 02-26-2015, 01:16 PM
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Originally Posted by tvuong View Post
How do you know the limiter kicked in if there is no indication on sub?
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Originally Posted by JT78681 View Post
That's what I was getting ready to ask myself.
Well I wouldn't had known if I didn't have all the speakers disabled. I'm not sure how to describe it but it sounds as the bass would come to an halt but then quickly come back on again. When I turned off the limiter what I just described did not happen.


Keep in mind this was just me toying with subs to see how far I can push them.

Television: Panasonic TC-P65VT60
Receiver: Yamaha RX-A2010
Speakers: Energy RC-70's, RC-LCR, RC-10 (4), Rythmik FV15HP (2) and Velodyne VDR-12 (3),

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post #17887 of 17908 Old 02-27-2015, 01:19 AM
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Quote:
Originally Posted by JT78681 View Post
So ever since I re-ran Audyssey in single port mode with high dampening things seem to sound a little better to my ears. I just got done watching the Edge of Tomorrow intro a few times first at -20, -15, and -10. No port chuffing and no clipping. For all of you FV15HP owners does a red light flash when your amplifier is clipping? The reason I ask is because my old LV12R's would flash red when driven too hard.

The Hypex module based amps work a bit differently than the amp in FV15HP. In the former, the indicator on the panel serves multi-purpose which includes clipping. In FV15HP, the clipping indicator is actually on the servo board and therefore not visible from outside the sub. In short, LV12R and FV15HP indicators work differently.
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post #17888 of 17908 Old 02-27-2015, 03:16 AM
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Two F12G enough?

Brian,
Do you think two front corner loaded F12G will deliver sufficient SPL for movies in my 2000 Cubic Inch sealed HT room? The room measures 20.7' x 12.5' x 8'.
I will normally not play louder than reference minus 10 db. I would still like to be able to "feel the bass", when the source material has such ULF, but I prefer a sealed, fast subwoofer with musicality and the possibility of setting a higher than normal crossover setting.

The ceiling is broadband treated with 5" OC703 and black AT fabric, other than that no bass trapping is planned initially.

Corner bass traps on top of the two subs can be added later, as well as corner traps in the rear corners, if EQ cannot deal sufficiently with the nulls and peaks in the main seats. None of the seats are located 1/4 or 1/2 way into the room from the walls.

There are two rows of Berkline 090, with four seats in each row. Four people will be the normal audience.
We don't know yet whether that will be the two center pairs of seats in each row, or the four seats in the front row.

Thanks,
Jacob
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post #17889 of 17908 Old 02-27-2015, 08:47 AM
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Quote:
Originally Posted by Jacob B View Post
Brian,
Do you think two front corner loaded F12G will deliver sufficient SPL for movies in my 2000 Cubic Inch sealed HT room? The room measures 20.7' x 12.5' x 8'.
I will normally not play louder than reference minus 10 db. I would still like to be able to "feel the bass", when the source material has such ULF, but I prefer a sealed, fast subwoofer with musicality and the possibility of setting a higher than normal crossover setting.

The ceiling is broadband treated with 5" OC703 and black AT fabric, other than that no bass trapping is planned initially.

Corner bass traps on top of the two subs can be added later, as well as corner traps in the rear corners, if EQ cannot deal sufficiently with the nulls and peaks in the main seats. None of the seats are located 1/4 or 1/2 way into the room from the walls.

There are two rows of Berkline 090, with four seats in each row. Four people will be the normal audience.
We don't know yet whether that will be the two center pairs of seats in each row, or the four seats in the front row.

Thanks,
Jacob
FWIW, my room is >5000 cubic feet and two F12's are more than enough.
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post #17890 of 17908 Old 02-27-2015, 03:06 PM
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That's just it, I'm not necessarily looking for that output below 20hz. So if it just comes down to the difference in measurements that I'm aware of, then I'll stick with the HSU and save the $400. However, I read things like the Rythmik will be more musical, it will have better sound quality, it will have tighter, more agile bass, it will have better build quality, it will play better at lower volumes, etc. Well then great, I don't mind spending the extra. But, being somewhat of an audio newb and trying to take everything I read with a grain of salt, I wonder how much is actually true and how much of a difference would I ever be able to tell on my own if I parked either f those subs in the corner of my room.

And yes, I have been active in different threads. I've been all over the place with this search for a sub, it's a lot of money and I want to spend it wisely.

To be honest, I may be a perfect candidate for the FV15HP's little brother, hopefully due out soon. I'd prefer to stay closer to $1,000 and like what I hear about the Rythmik products. I've got an inquiry in to them about the new model, so we'll see where that goes as well
I upgraded a 7=8 year old Hsu VTFmk2 to the HFV15HP and the sound quality boost was fantastic, it was the bigger improvement than the power and depth. But part of that was because I could move the sub to the mid point of the back wall vs the corner, because of the higher output. But it was a fantastic upgrade, also made better because of the PEQ n the rythmik

Oppo BDP-105
Bryston 3B-ST 2ch on mains, Lexicon 512 5ch
PSB Stratus Gold mains, C6i center
Rythmik FV15HP
Paradigm ADP-370 surrounds
cheap energy rear speakers
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post #17891 of 17908 Old 02-27-2015, 03:48 PM
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Originally Posted by mikepos View Post
I upgraded a 7=8 year old Hsu VTFmk2 to the HFV15HP and the sound quality boost was fantastic, it was the bigger improvement than the power and depth. But part of that was because I could move the sub to the mid point of the back wall vs the corner, because of the higher output. But it was a fantastic upgrade, also made better because of the PEQ n the rythmik
After speaking with Brian yesterday, I'm going FV15HP. Black matte is not available for a few weeks, black oak is now. I'd prefer the black matte I think, so just waiting on that. I can't wait to get it
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post #17892 of 17908 Old 02-27-2015, 05:22 PM
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Originally Posted by Jacob B View Post
Brian,
Do you think two front corner loaded F12G will deliver sufficient SPL for movies in my 2000 Cubic Inch sealed HT room? The room measures 20.7' x 12.5' x 8'.
I will normally not play louder than reference minus 10 db. I would still like to be able to "feel the bass", when the source material has such ULF, but I prefer a sealed, fast subwoofer with musicality and the possibility of setting a higher than normal crossover setting.

The ceiling is broadband treated with 5" OC703 and black AT fabric, other than that no bass trapping is planned initially.

Corner bass traps on top of the two subs can be added later, as well as corner traps in the rear corners, if EQ cannot deal sufficiently with the nulls and peaks in the main seats. None of the seats are located 1/4 or 1/2 way into the room from the walls.

There are two rows of Berkline 090, with four seats in each row. Four people will be the normal audience.
We don't know yet whether that will be the two center pairs of seats in each row, or the four seats in the front row.

Thanks,
Jacob
If you need subs for Home Theater use rather than music, I would think the standard F12, not the paper-cone G version, would be the better choice. The G doesn't let you cross-over at a substantially higher frequency than the standard, and the aluminum-cone woofer will pump out sound effects with less cone flexing than the paper, I believe. The F12 is $874 in matte black or black oak, but you can get the E15 in matte black right now on sale for $1024, only $150 more, and the F15 for $1074, $200 more. If you get two of either, you will also get 10% off both of them. Something to consider!
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post #17893 of 17908 Old 02-27-2015, 07:28 PM
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Originally Posted by joemannnnn View Post
After speaking with Brian yesterday, I'm going FV15HP. Black matte is not available for a few weeks, black oak is now. I'd prefer the black matte I think, so just waiting on that. I can't wait to get it
Nice! It's a beast in output, but doesn't lack finesse. Keep us posted.

Receiver - Denon 4311CI
Speakers - Infinity P363's, PC351, P153's
Subs - Rythmik FV15HP's
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post #17894 of 17908 Old 02-27-2015, 09:59 PM
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I shall be one of the pioneers .

Thanks to Brian's introduction of the DIY 8" driver, mid-bass module offering and his generous consultation, I have on order a pair of the "CI kit M1: one HX300 drives one DS800-3 driver" kits.

I will be having made cabinets that will be ~11" x 12" x 15" for the driver in front and amp in back. They will serve as mid-bass and stands for Omega Super Alnico Monitors. I will drive the Omegas with a Dennis Had built tube preamp and single ended pentode tube amp - at 5wpc (see my Avatar). I have a pair of super-tweeters that I made from a 1980's pair of Yamaha Beryllium tweeters. They roll off way up there in the hi teen kHz and are powered by their own Crown amp. Of course I have a pair of Rythmik F12's.

So, the net effect here is a a four way, quad amped speaker system. The beauty of it and core are the Omega's and Dennis Had built power. This will cover ~200Hz - 17kHz. The Yamaha's above that, F12's from 50Hz down and the mid-bass modules from 50-200. Having no crossover components from 200 - 17,000 and that single Alnico driver powered by tube SEP design is unbelievable in imaging and smoothness. With the other three players helping in fantasy level extension at either end. I have three of the speaker elements in place (the forth being the mid-bass) and getting to this approach has been transcendent. I expect the mid-bass modules to be the icing on the cake, the gravy, the glue...

There, I presented it understated and without getting carried away!

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post #17895 of 17908 Old Yesterday, 06:35 AM
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Originally Posted by joemannnnn View Post
After speaking with Brian yesterday, I'm going FV15HP. Black matte is not available for a few weeks, black oak is now. I'd prefer the black matte I think, so just waiting on that. I can't wait to get it
You made the right choice imo. Congrats. I always recommend buying the most single sub you can, and then picking up another sub at some later point.

Take guidance from those who have upgraded multiple times...it's cheaper in the end to push or exceed your budget limits from the get go. Because buying a pair of lesser subs, and then realizing you're a basshead, and upgrading later is much more expensive! The fv15hp is one of those rare subs that have very deep extension with massive output to boot. If you feel like you are lacking, you just add more in the future. No need to switch subs because it already has deep extension.

Of course...there's always that chance that you are a ulf nut (like me) and want to pursue the very last octaves...well, you'd have to go another route then...diy will get you that, or plan on spending massive commercial dollars for multiple sealed offerings.

EDIT: And even if you choose to pursue the last octaves, you wouldn't necessarily have to sell them off...just move them nearfield.

My Home Theater
Frequency Response: 5hz to 20KHz
PVL is the new SPL: Nearfield Placement For The Win
Your Home Theater ULF Score
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post #17896 of 17908 Old Yesterday, 07:52 AM
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Originally Posted by BDP24 View Post
If you need subs for Home Theater use rather than music, I would think the standard F12, not the paper-cone G version, would be the better choice. The G doesn't let you cross-over at a substantially higher frequency than the standard, and the aluminum-cone woofer will pump out sound effects with less cone flexing than the paper, I believe. The F12 is $874 in matte black or black oak, but you can get the E15 in matte black right now on sale for $1024, only $150 more, and the F15 for $1074, $200 more. If you get two of either, you will also get 10% off both of them. Something to consider!
It's for 50% Music and 50% movies...
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post #17897 of 17908 Old Yesterday, 09:53 AM
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^^ What are these and these amp? The H550?

Yes. Those are H550PEQ3. I have just put them on the web. Customers can save $100 going with this option.
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post #17898 of 17908 Old Yesterday, 04:24 PM
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So, I plan on doing the sb crawl tomorrow and ordered a tripod to get better result from my Audyssey XT configuration... Since my Denon 3311ci doesn't have independent controlled pre-outs for dual subs (thinking about adding second FV15HP) and the network board is bad (always says "Connecting" when trying to use any network related settings) I am considering upgrading my receiver.

Here are my thoughts for upgrading:

(1) considering future 4k tv upgrade in 1-2 years if I would need multiple HDCP HDMI 2.x inputs

(2) considering Dolby Atmos or Aura 3D compatibility

(3) airplay compatibility

(4) only need one extra zone for two living room speakers (already on zone 2 of 3311ci)

(5) all source compatibility with latest Logitech Ulitmate Home/Hub which I am using and works fine for me

I don't want to end up with a receiver that is not able to connect all sources to it's HDMI inputs in the next 5 years if possible, so I want the most compatibility in the hdmi interface... Would pay up to $3k for this receiver. Other option would be to get enough channels for my 8 speakers (not including subs) for possibly using Dolby Atmos or 3D Aura in main room and two channels for my living room and maybe this can be done with separate amp(s) and just upgrade the surround processor/preamp as hdmi standards change.

If I go the receiver route and it is too early to select a receiver based on new 4k hdmi standards not being solidified, I could opt to get something less expensive and buy me more time until I upgrade my Pioneer PRO-730HD projection to 4k in the next couple of years.

If I get a less expensive temporary receiver to meet all these needs I have seen the Denon x4000 and x4100w that seems equivalent to my 3311ci except that is has the better Audyssey xt32, dual independent sub control, and a working network board which will allow me to use Airplay but will be changed again once I get 4k assuming something like HDCP 2.2 is required for each source...

As far as possibility of using Atmos/Aura 3D, I only have limited speaker configuration and not sure if it will be adequate or not... I am in a large family room/Kitchen so putting side/rear floor speakers not as much an option as I would have in a dedicated theater room but I have 5 nice Speakercraft 8 inch ceiling speakers with 4 in a square pattern and one in center back of the 4. So I have 3 M&K s150 bookshelf for mains, currently 1 Rythmik FV15HP and 5 in-ceiling speakers.

Thoughts anyone?

Thanks.
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post #17899 of 17908 Old Yesterday, 05:17 PM
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^^^ Mark there is a member selling a Denon 4311ci for $700 in the classifieds. It's a hell of a reciever I just got one used on here last year. I had XT before like you and XT32 is night and day better.

Receiver - Denon 4311CI
Speakers - Infinity P363's, PC351, P153's
Subs - Rythmik FV15HP's
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buy a mini dsp and configure it with rew cheaper and better results.
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post #17901 of 17908 Old Yesterday, 05:34 PM
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buy a mini dsp and configure it with rew cheaper and better results.
Good recommendation, but a better receiver would not only help his subwoofer calibration, but his other channels as well. On top of that more power and more bells and whistles. Just my opinion...

Receiver - Denon 4311CI
Speakers - Infinity P363's, PC351, P153's
Subs - Rythmik FV15HP's
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post #17902 of 17908 Old Yesterday, 06:57 PM
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Hey guys, gotta place my order for a fv15hp. 550 or 600 amp. What would you do?

Any concerns integrating a serving down the road if it's a 600?

Any support concerns with the lesser used 550?
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post #17903 of 17908 Old Yesterday, 07:29 PM
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Quote:
Originally Posted by joemannnnn View Post
Hey guys, gotta place my order for a fv15hp. 550 or 600 amp. What would you do?

Any concerns integrating a serving down the road if it's a 600?

Any support concerns with the lesser used 550?
The difference in output between the 600 and 550 watts version is less than 1dB. I think is 0.5dB. The H550PEQ3 amp is as good as the H600PEQ3 amp. BTW, this topic was discussed in this thread back in 2011 and a lot of people liked the H550 amp better because it has greater capacitance.

Check on this link: Official Rythmik Audio Subwoofer thread

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post #17904 of 17908 Unread Yesterday, 09:41 PM
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The difference in output between the 600 and 550 watts version is less than 1dB. I think is 0.5dB. The H550PEQ3 amp is as good as the H600PEQ3 amp. BTW, this topic was discussed in this thread back in 2011 and a lot of people liked the H550 amp better because it has greater capacitance.

Check on this link: Official Rythmik Audio Subwoofer thread
Thanks, I found some talk about the differences before i posted. I actually was leaning towards the 600 before i read some of the comments, but the 550 seemed to be preferred by some. So now i don't know what to order.
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Thanks for the info... Posted reply regarding the 4311ci but currently says only for local pickup but I offered to use my Fedx account to ship if he has or can get ahold of proper packaging...

In regards to MiniDSP, are you referring to MiniDSP 2x4? Not familiar with this equipment or REW software and will consider it assuming I can figure out how to properly use it.
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Found a 4311ci and 4520ci for about the same price and deciding between them.
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Originally Posted by tvuong View Post
Cost aside, I like to see a one to one comparison or better yet, dual to dual. That should be interesting if one can do in the same room. Hurry up @madhuski
One Submersive HP SHOULD be compared with 2 F15HP or 2 FV15HP. After all, it does have 2 drivers, and 3 times the power. It practically is 2 subwoofers in 1 to begin with.
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Originally Posted by madhuski View Post
So. here goes.

First off, I think I fall into the average listener category. I don't have a dedicated HT (My WAF friendly 7.1 living room ), and I don't listen at ear splitting levels. When I sit down with the squaw to watch a flick, we listen usually at -25 to -35 on the receiver.

First, how did I end up here -

1) I had a HSU VTF-15. It served my needs just fine. I didn't have any measuring equipement, but subjectively it did what I wanted

2) to see if I could shrink the giant black box, I replaced it with a SVS SB13. Again subjectively, I could tell right away there was something lacking. It would cause the pictures to rattle as the HSU did, but there was a missing viseceral impact on the big bass scenes.

3) Back to the big black box. I got caught up in the frenzy of the moment, and ended up buying a SubMersive HP. Nothing bad I can say about this sub. It was (all things consdiered) "small" and "light", and it brought back that visceral sensation and then some. Taking Mark's advice that if you're getting a sub of this caliber, you should have something to EQ it. So, I bought a Velodyne SMS. (So there are some basix measurements of the SubM in my room: http://www.avsforum.com/forum/113-su...l#post26244249)

Subjectively again, the Seaton seemed to have better bass than the HSU. On the scenes where there weren't over the top LFE effects, the seaton seemed to sound, for lack of a beter term less bloated than the HSU. Not that the HSU sounded bloated at all, mind you, but it did seem to call attention to itself more than the seaton. The Seaton just seemed to reinforce the bass as it should.

I was perfectly happy with the Seaton, but then I found myself sitting there with ~$2700K invested in a Subwoofer and Velodyne SMS, whereas I was perfectly happy rpeviously with my HSU VTF and thought "hmm, I may be getting a tad ridiculous here. Especially given my listeing habits again

So I sold the Seaton; packaged up the Velodyne, and went looking for a sub to downsize to. I had settelled on the PSA XS30, since it seemed to be a Seaton light (shoutout to Tom V for being great in terms of putting up with all my questions), but then I had the chance to get a Piano Black Fv15hp - so I jumped at it. I wanted to hear a servo sub, and I liked the paino black finish.

After dealing with a ground loop for a few days (ended up being the cable coax), I've had it going for a week now. Its only seen two flicks (John Wick and Edge of Tommarrow), but I gotta say - I love it.

I'm not going to do a detailed review, because all I'm going to say is that to my ears its indistinguishable to the SubM. At the listening levels I do, I can't notice one differrence between the two. And this is without the SMS in the chin and any EQ it provides - just XT32. (I'll upack the SMS when I get somef ree time and post a pic of the Rythmik's response in my room.) but given the cost difference of $2400 Submersive + $300 SMS versus $1500 for a rythmik......for my situation it was a no brainer.
Thanks madhuski for sharing your experience! Post the rythmik graphs if you get a chance!
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f12g subwoofer , Rythmik , Rythmik Audio , Rythmik Audio F12 Direct Servo Subwoofer , Rythmik Audio F15 Subwoofer , servo sub

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