Official Rythmik Audio Subwoofer thread - Page 1434 - AVS Forum | Home Theater Discussions And Reviews
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post #42991 of 44721 Old 05-13-2020, 12:20 AM
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Originally Posted by Shooter41 View Post
I wasn't even sure it would be UPS doing the delivery, I thought their weight limit was like 70 lbs or so. I've also never had them deliver anything on a pallet, I thought pallet meant trucking company as it did for my speakers.
UPS delivered my F18 last week. He brought it up my porch without asking. Then I slid it into house lol.
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post #42992 of 44721 Old 05-13-2020, 12:38 AM
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[quote=bicyclejoe;59636930]
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Originally Posted by bicyclejoe View Post

These are my questions:

-Should I go with the default amp? If I end up wanting a second F 15hp later, is the XLR2 amp a better choice for pairing up ? I don’t run balanced interconnects but can I still connect two F 15HPs with an XLR cable?

-I listen to music in “Pure Direct” (2 channel) mode : mains + LFE. I think pure-direct turns Audyssey XT32 off. The sub is playing LFE but the LFE signal is not processed. Since I don’t use the receiver’s onboard processing for music, will I use line-level input to make use of adjustments on the sub’s amp?

-Do all three amps have the same capacity to play nice with my Denon in Pure Direct?

/QUOTE]

So, seriously, I’m ready to purchase an F15HP. I’ve asked a couple of very specific questions to help me choose the best amp option for my Rythmik sub. No one has given me any guidance about whether to choose the H600XLR3 or the H600XLR2 or the H600PEQ3.

Worse yet, one person is convinced that “Pure Direct” is some dumbass snake oil BS, no disrespect intended Bear123 but your analysis of things you’ve never A/B compared is not constructive. Also, your notion that anyone in this subwoofer forum has advocated for 2.0 playback is not correct.

I’ve learned so much from reading the forums here but I come from the the other side/ the music side. This power movie bass will spoil my happy home. Also, I don’t want to go there. I dig deep into the original stereo music mixes, played back via hirez streams or my own vinyl. Perhaps someone out there has tried to reproduce hirez music through a rythmik sub?

I can just buy the F15HP with the default H600XLR3 amp. I just hoped that some person here might have something to contribute about listening in Pure Direct or about what it takes to daisy chain two subs together when the line/lfe signal is not via XLR.

And then there is also the E15HP2 with HX1000XLR3...
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post #42993 of 44721 Old 05-13-2020, 06:52 AM
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Originally Posted by SD1290 View Post
I'm planning to do 2 FV18 and 1 FV15HP in my room.
This is going to be a very great set up.

Quote:
Originally Posted by SD1290 View Post
This is how I was thinking of laying it out. The FV15HP would be right behind the couch firing toward the MLP.
Who said you can't have another FV18 there . For just a bit more, I would definitely rather have 3 FV18s and this will be an even greatER set up

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Any advice or ideas on how to maximize this setup? I will order a mini dip 2x4hd and umik
You are all set then. Make sure to visit the BEQ thread once you get your subs
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post #42994 of 44721 Old 05-13-2020, 08:26 AM
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Thanks TVUONG! I already had the FV15HP so am just adding the other 2 FV18 to the mix.

I’m sure I’ll need to watch those REW videos several times to fully understand how to use the stuff
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post #42995 of 44721 Old 05-13-2020, 09:03 AM
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Originally Posted by enricoclaudio View Post
The FV18, FV25HP and G25HP ships on a pallet via UPS Freight service. It's theoretically curbside delivery but UPS driver usually bring it in to your garage.
Yep, that’s what happened when my FV18s were delivered. The freight company’s driver parked at the curb and dollied the pallets with the subs on them into my garage.
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post #42996 of 44721 Old 05-13-2020, 09:10 AM
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Originally Posted by cchunter View Post
UPS delivered my F18 last week.
and we don't get to hear/see your first impression?
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post #42997 of 44721 Old 05-13-2020, 12:27 PM
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Second G25 ordered!

I finally pulled the trigger...going duals. Still prob go listen to Greg's RS1's, but the easiest and most financially wise option was add another G25. I have never heard duals in my room, so can't wait. I'm back in LA next week, sub should arrive end of week. I have shared walls still, but I think this was the biggest upgrade I could make for now. I didn't want more bass, just even bass. And the idea of taxing the sub less was also appealing. Def. overkill for my room, but future proofing for when we move LOL

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post #42998 of 44721 Old 05-13-2020, 12:44 PM
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Originally Posted by Ethos4Lyfe View Post
I finally pulled the trigger...going duals. Still prob go listen to Greg's RS1's, but the easiest and most financially wise option was add another G25. I have never heard duals in my room, so can't wait. I'm back in LA next week, sub should arrive end of week. I have shared walls still, but I think this was the biggest upgrade I could make for now. I didn't want more bass, just even bass. And the idea of taxing the sub less was also appealing. Def. overkill for my room, but future proofing for when we move LOL
It would most likely go the other way around: Greg @muscles would be paying you a visit to listen to your pair of G25HPs

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 G22 (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 #42999 of 44721 Old 05-13-2020, 12:51 PM
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Originally Posted by enricoclaudio View Post
It would most likely go the other way around: Greg @muscles would be paying you a visit to listen to your pair of G25HPs
haha we shall see - lord knows ill ask him to help me set everything up LOL
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post #43000 of 44721 Old 05-13-2020, 01:37 PM
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Originally Posted by tvuong View Post
Quote:
Originally Posted by cchunter View Post
UPS delivered my F18 last week.
and we don't get to hear/see your first impression? [IMG class=inlineimg]/forum/images/smilies/wink.gif[/IMG]
SVS who? The F18 is awesome! Smooth, detailed, and gets scary low when needed. I need another soon to even the response in room. Seeing as I'm used to having duals I can localize where the bass is coming. I mean this sub is a beast.
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post #43001 of 44721 Old 05-13-2020, 02:11 PM
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^^ What is your crossover point? In the mean time, try lowering your xover point a bit (if possible, seem possible with your RF7II speakers) to eliminate the localization.
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post #43002 of 44721 Old 05-13-2020, 02:29 PM
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^^ What is your crossover point? In the mean time, try lowering your xover point a bit (if possible, seem possible with your RF7II speakers) to eliminate the localization.
80hz. I'll try lowering it and see if it helps. I still haven't stressed it yet. Giving it more time to loosen up. I watched The Conjuring the other night and was very impressed. I thought I had most rattles taken care of but the F18 introduced more that I wasn't aware of with my dual SB13s.
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post #43003 of 44721 Old 05-13-2020, 02:31 PM
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Originally Posted by cchunter View Post
SVS who? The F18 is awesome! Smooth, detailed, and gets scary low when needed. I need another soon to even the response in room. Seeing as I'm used to having duals I can localize where the bass is coming. I mean this sub is a beast.
Yeah @muscles convinced me last year to check out Rythmik. Was running at PB4000 from SVS....not even a fair fight to be honest. That's not even meant as a slight to SVS, more a compliment to Rythmik
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post #43004 of 44721 Old 05-13-2020, 02:49 PM
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I thought I had most rattles taken care of but the F18 introduced more that I wasn't aware of
Around here, we call that successful
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post #43005 of 44721 Old 05-13-2020, 03:02 PM
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I opted to order a single Rythmik FV18 to demo.
I am looking forward to read your write up when you get your fv18 dialed in. I wish you still have your tv36ipal to compare but you might be able to do so based off your memory. At least you can share graphs between the two.
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post #43006 of 44721 Old 05-13-2020, 03:55 PM
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After a year with a single PSA TV36-iPal, I have decided to go back to duals. While I loved the TV36 and it had all of the output I need, I am unable to get the smooth frequency response I am after with a single sub and dual TV36 are larger and more expensive than I want.

I decided I would prefer subs no taller than around 34 inches so that they could be used as speaker stands or end tables if those locations provided a good response. I narrowed it down to the PSA TV1812, Rythmik FV18 PC, and JTR 2400. Since I already have a good idea what the PSA sub will sound like, I opted to order a single Rythmik FV18 to demo. I was also able to get a JTR 1200xs to get an idea what the JTR sound was like.

I have had the 1200xs for a couple of weeks and I am amazed by how much impact this thing has for its size. The sub 25 hz output is very impressive. What I miss with the JTR sub is the mid-bass clarity I am used to. I'm sure 2 or 3 of these would do a great job in my room, but the 1200xs is no longer available and stepping up to a pair of 2400s is $2200 more than the Rythmik and PSA subs. There would need to be a very noticeable difference to justify the additional cost, not just on the occasional scene.

I am really looking forward to seeing how the FV18 compares. Hopefully it arrives while I still have the 1200xs so I can compare them side by side. I am convinced that the FV18 will be my final choice based on the rave reviews it has received. The added bonus of multi-tune adds flexibility that the other options lack. I have also been blown away by the responsiveness of Enrico to all of my questions.
Please keep us posted. I am dying to find out how you like the FV18.
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post #43007 of 44721 Old 05-13-2020, 04:36 PM
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Hi guys, I was wondering if anyone can explain a few things to me. I have searched all throughout these forums and it seems that a huge majority of people describe the rythmik as being more musical. I have also heard that the rythmiks have way less distortion because of the servo operation. If the servo operation is all about limiting distortion, wouldn't that directly correlate to total harmonic distortion testing?

I happen to own a PB13Ultra, and SVS gets bashed a fair amount for being a muddy sub, with possibly too thick of a sound. I have seen the rythmik and the PSA subs touted as cleaner and many owners have said that the new IPAL drivers and rythmik subs have way less distortion than an SVS so it takes a while to get used to. This all confuses me so badly because when I look at data bass it shows the PB13Ultra doing better in distortion tests when being driven fairly hard than almost all the subs I have been looking at from every brand. Most brands seem to have good and almost identical frequency responses also.

The one thing I think would be kind of neat is to try a lower tuned sub like the FV18. I have heard frequencies in the low teens, and I know the sound wouldn't provide much extra but I would think the extra energy used to have output in the low frequencies would provide help pressurizing the room without a lot of spl difference.

I am especially interested in rythmik, PSA, and SVS still. I had almost discounted SVS completely, but its hard to when I read some of these threads and see the comments so I don't know what to believe. I saw one thread talking about how SVS PB16s were a hard sub to get to work in rooms. They then said that another brand set in the same spot was so much better, but then the graphs show the other sub showing the same in room frequency response making me think there is a lot of hocus pokus going on.

So maybe the question is what is real in audio? Don't distortion and frequency response tests on databass tell the story? If not I guess Im not sure why they are done. Please feel free to enlighten me.
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post #43008 of 44721 Old 05-13-2020, 05:16 PM
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Originally Posted by steve1616 View Post
Hi guys, I was wondering if anyone can explain a few things to me. I have searched all throughout these forums and it seems that a huge majority of people describe the rythmik as being more musical. I have also heard that the rythmiks have way less distortion because of the servo operation. If the servo operation is all about limiting distortion, wouldn't that directly correlate to total harmonic distortion testing?

I happen to own a PB13Ultra, and SVS gets bashed a fair amount for being a muddy sub, with possibly too thick of a sound. I have seen the rythmik and the PSA subs touted as cleaner and many owners have said that the new IPAL drivers and rythmik subs have way less distortion than an SVS so it takes a while to get used to. This all confuses me so badly because when I look at data bass it shows the PB13Ultra doing better in distortion tests when being driven fairly hard than almost all the subs I have been looking at from every brand. Most brands seem to have good and almost identical frequency responses also.

The one thing I think would be kind of neat is to try a lower tuned sub like the FV18. I have heard frequencies in the low teens, and I know the sound wouldn't provide much extra but I would think the extra energy used to have output in the low frequencies would provide help pressurizing the room without a lot of spl difference.

I am especially interested in rythmik, PSA, and SVS still. I had almost discounted SVS completely, but its hard to when I read some of these threads and see the comments so I don't know what to believe. I saw one thread talking about how SVS PB16s were a hard sub to get to work in rooms. They then said that another brand set in the same spot was so much better, but then the graphs show the other sub showing the same in room frequency response making me think there is a lot of hocus pokus going on.

So maybe the question is what is real in audio? Don't distortion and frequency response tests on databass tell the story? If not I guess Im not sure why they are done. Please feel free to enlighten me.
Been a previous dual PB13U owner, I would not call them muddy. They have serve me, very well for many years and still consider them to be a great subs with a different sound signature.

When mentioning the sound of the Rythmik, in short of better words. They seem to have no overhang and hard to describe, maybe the reason some describe them as been more musical.


Darth

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post #43009 of 44721 Old 05-13-2020, 05:53 PM
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Originally Posted by darthray View Post
Been a previous dual PB13U owner, I would not call them muddy. They have serve me, very well for many years and still consider them to be a great subs with a different sound signature.

When mentioning the sound of the Rythmik, in short of better words. They seem to have no overhang and hard to describe, maybe the reason some describe them as been more musical.


Darth
wouldn't overhang show up in the distortion graphs? Just curious, but what subwoofers have you gone to in place of the 13Ultras. Do they have more clean output? With my PB13Ultras I can't hear an overhang when everything is level matched. When I boost my sub I can hear something, but I think that is pretty natural since lower frequencies take longer to finish. For music I could see a little improvement by going to a sealed sub, but I wonder if that has more to do with the roll off at lower frequencies. Ported models always seem to have a slight overhang compared to sealed to my ears, but i have read that the entire port is there to delay the timing so the bass doesn't cancel out.

Is it possible the rythmik is cutting off some of the signal prematurely to get that signature sound? That might not matter since sometimes a different sound can be preferred. I did notice the FV18 has a higher distortion from 40-60hz but that is at 115 decibels. I certainly can't listen to music that loud unless its a song with bass that shoots the decibels high even though it doesn't seem nearly as loud. I do realize that certain signatures exist even with the same frequency responses. I have heard these differences in tweeters even though frequency response doesn't look different then other material designs.
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post #43010 of 44721 Old 05-13-2020, 05:59 PM
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Originally Posted by steve1616 View Post
So maybe the question is what is real in audio? Don't distortion and frequency response tests on databass tell the story? If not I guess Im not sure why they are done. Please feel free to enlighten me.
DataBass is an excellent resource, and most trust the data posted there. But it just provides data and numbers. The true test of any speaker (be it subwoofer or not) is to listen to it with your equipment and your content in your space, with your own ears and personal preferences. That's why head-to-head testing, or shoot-outs, are somewhat more useful than simple data. Of course, the auditioning listener's impressions and preferences during the shoot-out are just that, his/her impressions and preferences, so they might not match up with yours, but you can glean useful insights about different sound signatures from them. A good example is here. @imureh did a nice job explaining differences in sound signatures between brands in his particular space, and how sub A sounded better in his room while sub B sounded better in a friend's room.

As such, the only "real" way to shop for a speaker is to bring it in-house and audition it for a few weeks. Of course, with giant subs weighing 1/8 of a ton, and many ID vendors not offering free return shipping or unlimited audition periods, it's easier said than done! Goodness knows, I'm too cheap to do it. But that's why I read these forums - to get insights from those who have done it.

Oh, and I should add - I've only ever heard good things about SVS sound signatures. I've just heard that other (ID) vendors provide a lot more bang for the buck (i.e. SVS subs are great, but you can get more for less $$ with some of the ID vendors).

And finally, regarding distortion: make sure you're comparing apples to apples, i.e. similar output levels at similar frequencies, otherwise the data isn't a true comparison.
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post #43011 of 44721 Old 05-13-2020, 06:06 PM
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Originally Posted by steve1616 View Post
Hi guys, I was wondering if anyone can explain a few things to me. I have searched all throughout these forums and it seems that a huge majority of people describe the rythmik as being more musical. I have also heard that the rythmiks have way less distortion because of the servo operation. If the servo operation is all about limiting distortion, wouldn't that directly correlate to total harmonic distortion testing?
In my opinion, there is a big difference between playing a burst tone or a sine sweep and playing actual content. A sub may be able to play a 2 second burst at 50 hz at low distortion but struggle to play a sequence of really quick 50 hz notes in succession. Actual content is also made up of a complex combination of harmonics and not a single frequency.

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post #43012 of 44721 Old 05-13-2020, 06:15 PM
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Hopefully you fellow Rythmik folks can help me figure out what is happening. I don't have localization issues with my dual subs but it is very similar. My crossover is set to 80Hz and the bass "sounds" like it is coming from all directions like normal. The issue is how I'm feeling the bass.


I did a sub crawl and some trial and error. I ended up placing my sub in the front right corner of the room and the 2nd up against the same right wall but located just behind my couch. So with both subs on the right side I am experiencing a pressure in my right ear that isn't there, or at least not at the same level, in my left ear. I know my dual FVX12 subs will struggle fully pressurizing my 5,000 ft3 space but I have never understood what that really meant. If they were fully pressurizing the room would my ears "feel" the bass equally like they hear it?


I guess in summary, is this something I'm feeling because both subs are on my right side? Or is this something I am feeling because both subs are on my right side AND i'm not getting full pressurization?

Front: Polk S55
Center: Polk S30
Rear: Polk S10
Sub: P̶L̶-̶2̶0̶0̶I̶I̶ | (̶2̶)̶ ̶F̶V̶X̶1̶2̶ | V1812
AVR: Denon AVR-X3500H
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post #43013 of 44721 Old 05-13-2020, 07:21 PM
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Originally Posted by SD1290 View Post
Question for those who have ordered Large subs on a pallet: I have 2 FV18s delivering this week. Just curious did the UPS guy wheel it up your driveway? Or just drop it at the curb? My girlfriend will be there to sign so just seeing if they might possibly push the pallet 30 ft up my driveway to garage?

Any experience on this?

Thanks
Many others have answered, but my UPS guy was helpful and rolled it to my porch and helped get it onto my dolly which I used to pull it into the house. He asked if he could take the pallet and I gladly said yes since I didn't know what I was going to do with it. "Funny" thing, the sub almost rolled off the five foot high truck ramp. UPS driver didn't seem fazed at all and was like "nah, no worries, I got this." My heart almost leaped out of my chest.
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Klipsch RP-8000F L/R | Klipsch RP-504C C | Klipsch RP-500SA atmos | elemental Designs A6-6T6 MTM surrounds | Rythmik FV18 Rev2 Paper Cone Black Matte + Elemental Designs A5-350 Restored! | Denon AVR-S920W | Vizio P75-C1
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post #43014 of 44721 Old 05-13-2020, 08:21 PM
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So maybe the question is what is real in audio? Don't distortion and frequency response tests on databass tell the story? If not I guess Im not sure why they are done. Please feel free to enlighten me.
IMHO order a FV18 Paper cone and a PSA TV1812 and keep whatever sounds best to you in YOUR room. Rythmik...PSA you can't go wrong with either.
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post #43015 of 44721 Old 05-13-2020, 08:39 PM
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IMHO order a FV18 Paper cone and a PSA TV1812 and keep whatever sounds best to you in YOUR room. Rythmik...PSA you can't go wrong with either.
Uh huh, you can go wrong. The fv18 is a solid proven product with data/measurements available on data-bass. The tv1812 is not even out yet and with almost half the port area of the fv18 in 12hz mode. How do you even recommend a product that is not even available and with no data or measurements posted. I just cannot comment on people spending this kind of money based on leap of faith. I know better to spend my hard earned money on something great with data to backup.
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Last edited by tvuong; 05-13-2020 at 09:46 PM.
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post #43016 of 44721 Old 05-13-2020, 08:44 PM
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Uh huh, you can go wrong. The fv18 is a solid proven product with data/measurements available on data-bass. The tv1812 is not even out yet and with almost half the port area of the fv18 in 12hz mode. How do you even recommend a product that is not even available and with no data or measurements posted. I just cannot comment on people spending this kind of money based on leap of faith. I know better to spend my hard earned money on something great with data to backup.
Good point. I made my own choice. Got a Rythmik FV15HP and a V1510 and kept the V1510 cause it sounded better to me. Does it mean the FV15HP is less of sub? No way the FV15HP is a great sub.
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post #43017 of 44721 Old 05-13-2020, 08:53 PM
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^^ In what area that you think the v1510 is better, I am curious to know. Based on measurements available, it’s the opposite. Did you compare both subs with each at the same location? Did you rerun room eq after swapping sub? Did you level match each sub? How did u calibrate the fv15? 1 port or 2 ports, line in or lfe in, low, mid or hi damping? Did you have the fv15 in 1 port or 2 ports?
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post #43018 of 44721 Old 05-13-2020, 09:08 PM
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^^ In what area that you think the v1510 is better, I am curious to know. Based on measurements available, it’s the opposite. Did you compare both subs with each at the same location? Did you rerun room eq after swapping sub? Did you level match each sub? How did u calibrate the fv15? 1 port or 2 ports, line in or lfe in, low, mid or hi damping? Did you have the fv15 in 1 port or 2 ports?
I ran the FV15HP (LFE in) in every configuration available. I ran both subs in the same location and I ran them with room correction off. I also bought a HSU VTF15H-MK2 and that wasn't even in the same level as the Rythmik and the PSA sub. Honestly for music I could definitely tell the FV15HP sub sounded more quick to me. I definitely prefer the FV15HP for music.

What got me was the mid-bass. I watched a couple of movies like John wick and Fury and I could feel the difference. I'll probably order a FV18 paper cone soon and compare it to a TV1812 ( whenever it comes out) as I'm now looking more LFE with mid-bass slam than what my current PSA sub offers. If the FV18 and TV1812 can't satisfy that...then JTR it is. I've always wanted to hear/feel a JTR sub.

I'll say it again...you can't go wrong with Rythmik or PSA whatever sounds best to you. Every room is different and each room definitely affects your FR.
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post #43019 of 44721 Old 05-13-2020, 09:11 PM
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Sometimes when my FV15HP powers on it makes an audible thump sound. I’m assuming this is normal?
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post #43020 of 44721 Old 05-13-2020, 09:19 PM
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I guess everyone is different. Did you have the fv15 in one or two ports open mode? Did you already order a fv18 and a tv1812? Are they coming soon? Looking forward to read your impressions comparing the two.
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f12g subwoofer , fvx12 , fvx15 , integra dtc 9.8 , lv12r , Rythmik , Rythmik Audio , Rythmik Audio F12 Direct Servo Subwoofer , Rythmik Audio F15 Subwoofer , servo sub

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