Official Rythmik Audio Subwoofer thread - Page 1237 - AVS Forum | Home Theater Discussions And Reviews
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post #37081 of 40432 Old 02-19-2019, 09:06 AM
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Hypothetically, would a FV28 be +6 on the FV18? Trying to see how it *might* compare to the JTR 4k.
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post #37082 of 40432 Old 02-19-2019, 09:08 AM
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Originally Posted by David Charles View Post
Hypothetically, would a FV28 be +6 on the FV18? Trying to see how it *might* compare to the JTR 4k.


Early speculations are that it would be a real competitor to the 4K. How much is yet to be seen.


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post #37083 of 40432 Old 02-19-2019, 09:13 AM
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Originally Posted by imureh View Post
Early speculations are that it would be a real competitor to the 4K. How much is yet to be seen.


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That, with servo sound quality, would be extremely hard to beat and super tempting. If I had a PORTED sub, that sound and extension of a sealed sub, that would be the best of both worlds.
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post #37084 of 40432 Old 02-19-2019, 09:18 AM
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Originally Posted by David Charles View Post
That, with servo sound quality, would be extremely hard to beat and super tempting. If I had a PORTED sub, that sound and extension of a sealed sub, that would be the best of both worlds.


The real challenge for Brian is the weight. But I can tell you that after comparing the FV25HP and the Cap 2400 I can understand why Brian prefers MDF. The cabinet on the FV25HP has no vibrations while the 2400 was jumping around. This in turn also impacts SQ due to cabinet resonance.

Any way I am sure you can pick the FV28 in one arm.


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post #37085 of 40432 Old 02-19-2019, 09:21 AM
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^^ Reading your comments from various threads, I think you will fall in love with big boy Rythmik subs, ported or sealed.
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post #37086 of 40432 Old 02-19-2019, 09:26 AM
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Part of me seriously hope he does not release this sub because I have told myself that the only sub that I really would leave my sealed PSA for would be a sub like this from rythmik. After hearing Sealed sub sound quality, I want that same sound. I would bet that this new rythmik would be tuned to around 10 or so hz so that eliminates the sealed advantage as far as extension goes. I am more than happy with my current setup though and it fits perfectly in my room :0

I feel like I would would want to run high dampening/12 hz extension all the time. I would want lowest extension with the cleanest, tightest sound. Isn't this the hardest on the sub though?
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post #37087 of 40432 Old 02-19-2019, 09:37 AM
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Quote:
Originally Posted by Ken Rivera View Post
Maybe use these instead of half-inverted racket balls...

https://www.rakuten.com/shop/electro...SVSSOUNDPATH4/

They are supposed to be for subwoofer isolation (could work if you're not on carpet), but may also help isolate a heavy platform for your turntable...
Thanks. I was thinking I might have to go that route, but being definitely in the tradition of the Audio Cheapskate, I'd prefer not to spend $50 when the $5 can of racquetballs might do. I don't want to isolate my sub from the floor (it probably already is enough as I have them up on platforms) since I want that TR for HT experience. I've got some additional cheapskate ideas in mind that, if they work, I will share.

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post #37088 of 40432 Old 02-19-2019, 09:38 AM
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Originally Posted by muscles View Post
These subs are just too crazy for Vinyl. I ordered a 25' cable to move the Mac MT5 turntable across the room, away from these bad boys. I hope that it isn't in a sub peak area. Crossing fingers that this works.

Greg
Probably doesn't help that one of my L22s is right next to the cabinet that my turntable sits upon.
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post #37089 of 40432 Old 02-19-2019, 12:13 PM
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Oh no... I just saw the B-Stock FV18 on the clearance page. For that price, I don't know if I should get that instead of getting dual FVX15's.
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post #37090 of 40432 Old 02-19-2019, 12:50 PM
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Originally Posted by Canadianatlas View Post
Oh no... I just saw the B-Stock FV18 on the clearance page. For that price, I don't know if I should get that instead of getting dual FVX15's.
If you have the room, and can place them correctly, I would still go dual FVX15 personally.
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post #37091 of 40432 Old 02-19-2019, 03:13 PM
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Originally Posted by Rythmik View Post
All of these will help. The idea of granite slab on something like half inverted racket balls will also help. It is practically a spring-mass system which act as a 2nd order low-pass filter on the mass movement. The mass and spring constant determine the corner frequency. We want heavy mass and less springy spring in order to lower corner frequency. The lower the corner frequency, the better the filtering effect.
The fluid dampening system came today, got it installed, etc., and switched the sub next to the turntable to Low and put on a record at fairly low volume. No noticeable cone movement other than with the music. Turned it up. Still good. No mad pumping. I think this may have mitigated the issue. Put the other sub on Low. We're looking good. Listening at a pretty decent volume now. This was not as cheap as the cheapskate would like, but seems to have solved the problem. Yeah!
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Display: Vizio P55-E1l Pre-pro: Marantz 7703; Amps: Emotiva XPA-2 Gen 2, Emotiva XPA-3 Gen 1, H/K AVR 520 (direct in to amps); Sources: Sony UBP-X700; X-box 1 S; Technics 1200 Mk II; Win10 PC for digital; Phono Preamp: Emotiva XPS-1; Speakers - LR: Philharmonic BMR LR; Center: Selah Audio BMR-CC; Surrounds: Wharfedale Reva-2; Rear Surrounds: Wharfedale Diamond 220; Atmos: TF - Monoprice Alpha 8; TR - BIC VI-38; Subwoofers: dual Rythmik L22s
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post #37092 of 40432 Old 02-19-2019, 08:30 PM
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Originally Posted by mthomas47 View Post
FWIW, my experience is similar to Enrico's. I am in a 6000^3 room, on a concrete slab. But, I can still get pretty dramatic low-bass TR (tactile response) when I want to. I can literally feel the concrete pad rippling with low-frequency energy if I really crank things.

Concrete laid on top of soil definitely doesn't conduct tactile sensations in the same way that a suspended wood floor does. But, concrete that is suspended in the air can actually be fairly reverberative. Anyone who has ever dropped something heavy (perhaps even a shoe) in a multi-story hotel, apartment building, college dormitory, etc. has felt the reverberation. If someone on the floor above drops something, or thumps on the floor below or ceiling above, you will definitely feel it.

It takes a lot more low-bass SPL and particle velocity to excite concrete than it does wood, but with sufficient firepower it can be done, as Enrico said. Personally, I think that a couple of FV18's, with the 4" ports and paper cones, would be a good choice for the OP. While slightly above his budget, they would be a good long-term investment, in part because they punch above their weight with respect to low-frequency TR.

Regards,
Mike
Ordered a Bstock FV 18SE rev2 paper cone ported. I will add another Fv18 as soon as they r back in stock..

Also pulled the plug on Sierra towers with Horizon center( all Raal). Unfortunately, Horizons are backordered , so ascend are sending a 340 center as loaner until they have the horizons back in stock.

pretty stoked right now.

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post #37093 of 40432 Old 02-20-2019, 08:35 AM
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Originally Posted by David Charles View Post
Part of me seriously hope he does not release this sub because I have told myself that the only sub that I really would leave my sealed PSA for would be a sub like this from rythmik. After hearing Sealed sub sound quality, I want that same sound. I would bet that this new rythmik would be tuned to around 10 or so hz so that eliminates the sealed advantage as far as extension goes. I am more than happy with my current setup though and it fits perfectly in my room :0

I feel like I would would want to run high dampening/12 hz extension all the time. I would want lowest extension with the cleanest, tightest sound. Isn't this the hardest on the sub though?
A pair of fv25 is plenty for 99% of people out there including you in your room. For me, it’s the biggest size that I allow myself to have. The 4000 is ridiculously huge that I know I don’t want to have.
Yes, hi dampening 12hz is the mode I have been settling for for years. This mode makes Rythmik sub stands out as compared to all other subs I have listenned to and if you know me, I have listened to LOTS of subs from JTR, Rythmik, Seaton, Hsu, PSA, SVS, and DIYs.
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post #37094 of 40432 Old 02-20-2019, 08:36 AM
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Originally Posted by mesmeriser16 View Post
Ordered a Bstock FV 18SE rev2 paper cone ported. I will add another Fv18 as soon as they r back in stock..

Also pulled the plug on Sierra towers with Horizon center( all Raal). Unfortunately, Horizons are backordered , so ascend are sending a 340 center as loaner until they have the horizons back in stock.

pretty stoked right now.
This is going to sound amazing. Congrats.
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post #37095 of 40432 Old 02-20-2019, 09:02 AM
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Originally Posted by Kirkobangz View Post
If you have the room, and can place them correctly, I would still go dual FVX15 personally.
Yeah, I have enough room to go dual. I've been watching Subwoofer 101 videos on YouTube, and the guy is really adamant and gets excited about dual subwoofer, so his hype has kind of worn off on me. I'm totally going to go with two FVX15's.

Speaking of which, it looks like availability of the Black Matte finish on the FVX15 was not only pushed back to the end of April, but was also raised by $20 over the Black Oak finish. Man, I've been without a subwoofer for 6 months, and now that I'm sure of what I want, this happens. This sucks. I don't like backordering, so I guess this is what I get.
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post #37096 of 40432 Old 02-20-2019, 09:13 AM
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Originally Posted by Canadianatlas View Post
Yeah, I have enough room to go dual. I've been watching Subwoofer 101 videos on YouTube, and the guy is really adamant and gets excited about dual subwoofer, so his hype has kind of worn off on me. I'm totally going to go with two FVX15's.

Speaking of which, it looks like availability of the Black Matte finish on the FVX15 was not only pushed back to the end of April, but was also raised by $20 over the Black Oak finish. Man, I've been without a subwoofer for 6 months, and now that I'm sure of what I want, this happens. This sucks. I don't like backordering, so I guess this is what I get.
We have 8 x FVX15 Black Matte coming in Feb container but we sold the last two yesterday. If you placed your order already, then yours is one of the 8 coming in Feb container.

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Media Room: Sierra Towers w/RAAL, Horizon w/RAAL, Sierra 2s & Lunas | Rythmik F12SE(x2) + FV25HP | Denon X6500H | Panny 820 + ATV 4K | Bluesound Node 2 | Sony 77A9G OLED |
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post #37097 of 40432 Old 02-20-2019, 09:22 AM
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Originally Posted by enricoclaudio View Post
We have 8 x FVX15 Black Matte coming in Feb container but we sold the last two yesterday. If you placed your order already, then yours is one of the 8 coming in Feb container.
No, I didn't. I don't like backordering. I don't lay any blame on you/Rythmik for this. I guess since I've been talking about it so much lately, other people have decided they want an FVX15 or two for themselves! Out of curiosity, do you have still have 2 Black Oak FVX15's available? If you do, maybe we could get those instead. And why did the price increase on only the Black Matte finish?
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post #37098 of 40432 Old 02-20-2019, 09:29 AM
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The price difference is to encourage customers to purchase black oak. We do have 6 x FVX15s black oak still available on Feb container. I do recommend to place the order ASAP as we are in the middle of tax refund season and sales will spike during these coming days.

Enrico Castagnetti @ Rythmik Audio - Dialing In Rythmik Audio Subwoofers - REW for macOS
Media Room: Sierra Towers w/RAAL, Horizon w/RAAL, Sierra 2s & Lunas | Rythmik F12SE(x2) + FV25HP | Denon X6500H | Panny 820 + ATV 4K | Bluesound Node 2 | Sony 77A9G OLED |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac| Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz SR6013 | Sony X700 + ATV 4K | Sony XBR-65Z9D |
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post #37099 of 40432 Old 02-20-2019, 09:38 AM
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Originally Posted by enricoclaudio View Post
The price difference is to encourage customers to purchase black oak. We do have 6 x FVX15s black oak still available on Feb container. I do recommend to place the order ASAP as we are in the middle of tax refund season and sales will spike during these coming days.
Alright, I think we'll decide before the end of the day. Thanks for the information.
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post #37100 of 40432 Old 02-20-2019, 09:55 AM
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Sorry to jump in here, but I am looking to purchase a Rhythmik sub. Basement HT is a smaller room, about 18x12. Currently i have an SVS PB 2000. I only have room for a single, but will purchase a second when we buy a house. I am about 60/40 Movies to music. I was looking at an FVX15. I am hoping it will be a bit more accurate than my SVS, but will I lose much output? Thanks for any help.

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post #37101 of 40432 Old 02-20-2019, 10:08 AM
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Sorry to jump in here, but I am looking to purchase a Rhythmik sub. Basement HT is a smaller room, about 18x12. Currently i have an SVS PB 2000. I only have room for a single, but will purchase a second when we buy a house. I am about 60/40 Movies to music. I was looking at an FVX15. I am hoping it will be a bit more accurate than my SVS, but will I lose much output? Thanks for any help.
The FVX15 has greater output than the PB-2000. Apple to apples, the LVX12 would be the right one to compare to the PB-2000, not the FVX15.

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Media Room: Sierra Towers w/RAAL, Horizon w/RAAL, Sierra 2s & Lunas | Rythmik F12SE(x2) + FV25HP | Denon X6500H | Panny 820 + ATV 4K | Bluesound Node 2 | Sony 77A9G OLED |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac| Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz SR6013 | Sony X700 + ATV 4K | Sony XBR-65Z9D |
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Originally Posted by Rythmik View Post
XLR on compact amplifier

I'd like to get opinions on XLR input for our compact footprint amplifiers. Right now, it is done with female min-XLR due to limited space. Should I keep that or change to something else like male min-XLR or even regular size XLR. I have a place to put in regular size XLR, but it will be in the middle of the amp and it may look very odd like an after-thought.
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My vote is for standard size XLR female connector as the mini-XLR adapter is hard to find and it’s expensive.
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If you've the space I'd use a regular XLR. Gobs of cables around for them, very few using the mini-XLRs (since they are mostly used just to patch an instrument/vocal mic to a bodypack transmitter for wireless links). Normal mic cables don't fit them well, either, so you usually have to go with smaller cables (thinner insulation, smaller wire) that are not as durable, have more loss (not usually a factor), often not as well shielded (more likely to pick up noise on a long run), etc.

FWIWFM - Don
I agree with others. All subs should offer standard XLR and RCA inputs unless its prohibitive due to cost. It gives user a choice and also avoids need for adapters and converters. I was looking at 12" Rythmik Subs and was surprised to see that they offer only RCA inputs. There are situations where someone may want a smaller sub not because its cheaper but because of space constraints or smaller room size.

FWIW Monolith 12 has a XLR input,
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post #37103 of 40432 Old 02-20-2019, 10:53 AM
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Also,

Do you offer LVX12 in other finishes like Piano Black or a silver cone driver option?

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HT - Seymour Centerstage XD 2.39:1 133" W| JVC X790R | Denon AVR | QSC DPA 4.2 | ATI AT528NC | Procella P8/P5V | Revel C763L | Rythmik FV15HP x2
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post #37104 of 40432 Old 02-20-2019, 10:56 AM
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Also,

Do you offer LVX12 in other finishes like Piano Black or a silver cone driver option?
Not yet. Brian is working on a FVX12 right now which is going to be a LVX12 with aluminum cone.

Enrico Castagnetti @ Rythmik Audio - Dialing In Rythmik Audio Subwoofers - REW for macOS
Media Room: Sierra Towers w/RAAL, Horizon w/RAAL, Sierra 2s & Lunas | Rythmik F12SE(x2) + FV25HP | Denon X6500H | Panny 820 + ATV 4K | Bluesound Node 2 | Sony 77A9G OLED |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac| Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz SR6013 | Sony X700 + ATV 4K | Sony XBR-65Z9D |
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post #37105 of 40432 Old 02-20-2019, 11:14 AM
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Not yet. Brian is working on a FVX12 right now which is going to be a LVX12 with aluminum cone.
Thanks! Whats the expected time frame on release? Do you have any info on other specs?

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post #37106 of 40432 Old 02-20-2019, 11:28 AM
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Quote:
Originally Posted by enricoclaudio View Post
The FVX15 has greater output than the PB-2000. Apple to apples, the LVX12 would be the right one to compare to the PB-2000, not the FVX15.
Thanks! I think i was getting caught up on amplifier power. I am looking for a bit more output, so I think the FVX15 would be perfect.

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post #37107 of 40432 Old 02-20-2019, 11:37 AM
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Originally Posted by imureh View Post
The real challenge for Brian is the weight. But I can tell you that after comparing the FV25HP and the Cap 2400 I can understand why Brian prefers MDF. The cabinet on the FV25HP has no vibrations while the 2400 was jumping around. This in turn also impacts SQ due to cabinet resonance.

Any way I am sure you can pick the FV28 in one arm.
That's because the FV25HP has lower excursion drivers in a heavier sub with feet, while the 2400ULF has a higher excursion driver in a lighter sub w/o feet...

My 265lb 4000ULF laid flat (w/o feet installed and on furniture sliders) can move a couple inches after a movie.

It's pure physics...

If I put the 33mm X-max driver in your FV18, it would probably walk itself out of your HT...
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Speakers: L/C/R: JTR Noesis 212HT. Surrounds: Jamo C103, KEF Q100, Polk Audio RTiA3.
Subwoofer: JTR Captivator 4000ULF.
AVR: Denon AVR-X4400H. TV: Samsung UN75NU8000FXZA.

FS: Jamo C103, KEF Q100 and Polk RTiA3
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post #37108 of 40432 Old 02-20-2019, 12:23 PM
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Originally Posted by chucky7 View Post
That's because the FV25HP has lower excursion drivers in a heavier sub with feet, while the 2400ULF has a higher excursion driver in a lighter sub w/o feet...

My 265lb 4000ULF laid flat (w/o feet installed and on furniture sliders) can move a couple inches after a movie.

It's pure physics...

If I put the 33mm X-max driver in your FV18, it would probably walk itself out of your HT...
When we were testing the FV25HP in Todd's room, we didn't put the feet on the FV25HP. Also, cabinet resonance has nothing to do with subwoofer weight and more with density of the enclosure material. MDF has higher density than baltic birch and that's why it has less resonance. If you want to test your Cap 4000 for cabinet resonance, put your left hand palm on top of the cabinet while knocking with your right hand. You will feel the cabinet resonance on your left hand palm.

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post #37109 of 40432 Old 02-20-2019, 01:09 PM
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Quote:
Originally Posted by enricoclaudio View Post
When we were testing the FV25HP in Todd's room, we didn't put the feet on the FV25HP. Also, cabinet resonance has nothing to do with subwoofer weight and more with density of the enclosure material. MDF has higher density than baltic birch and that's why it has less resonance. If you want to test your Cap 4000 for cabinet resonance, put your left hand palm on top of the cabinet while knocking with your right hand. You will feel the cabinet resonance on your left hand palm.
Ahhh... My comment was geared toward:
Quote:
Originally Posted by imureh View Post
The cabinet on the FV25HP has no vibrations while the 2400 was jumping around.
and not cabinet resonance.

The FV25HP outweighs the Cap 2400ULF by almost 50 lbs so it's not apples to apples per se...

I will test the Cap 4000's cabinet resonance when I have a chance. However, my experience tells me that I will hear sympathetic resonance from my surroundings first before I hear the sub's cabinet resonance affecting the SQ.

Speakers: L/C/R: JTR Noesis 212HT. Surrounds: Jamo C103, KEF Q100, Polk Audio RTiA3.
Subwoofer: JTR Captivator 4000ULF.
AVR: Denon AVR-X4400H. TV: Samsung UN75NU8000FXZA.

FS: Jamo C103, KEF Q100 and Polk RTiA3
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post #37110 of 40432 Old 02-20-2019, 01:51 PM
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I recently purchased 4x Revel F206’s and a C208, and my plan is to upgrade my subwoofer next. I currently have a JBL LSR310S I’m going to take out of my office setup and use until I can get something better.

I would like a sealed sub for size and aesthetic reasons, as it’s going in my living room. I also want the subs to be in piano black to match my speakers. Based on that I’m mostly interested in the F12, E15, E15HP or F18. I definitely plan to have two subs eventually but my starting budget will most likely be ~$2,000 so I probably won’t be able to get duels to start. The living room opens into the kitchen and so the total space is ~4,000 cubic feet (I will attach a picture of the floor plan). I’m leaning towards the F18 because if I can’t get duel subs to start I might as well start with the biggest single sub I can.

I need to save up some money again so I have a lot of time before I need to make a decision.
Any advice would be appreciated, thanks.
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