Will I be happy with with dual Rythmik fv15hps

K

kxthor

Junior Audioholic
Ok here goes. I was looking at speakers but since the speakers that I have now are NHT towers and pretty decent I have decided to switch gears and get my subs first.

This is the sub that I have now, and while it is really a good little sub it just can't fill the space. https://hometheaterhifi.com/volume_12_1/nht-sw12-subwoofer-3-2005.html

So when I started looking at subs I just figured I'd go svs, but from everything that I have read so far rythmik and hsu are better performers per dollar. I read the subs under $1500 thread and a bunch of other threads about dual subs. I'd love to get the rythmik fv18s but they are just massive (I think to big for my space).

I was looking at the rythmik f18s but on their website it says the ported 15s have more output than the sealed 18s. My space is pretty large at 19x19x12 that opens up to the kitchen. I'm going to sit about 12 feet back from the wall or about 10 feet from the front of the speakers.
 
j_garcia

j_garcia

Audioholic Jedi
One F15HP is like 3 of those NHT subs :) So you should be happy with two. The room space needs to be calculated for the whole space that is open, not the listening area.
 
K

kxthor

Junior Audioholic
One F15HP is like 3 of those NHT subs :) So you should be happy with two. The room space needs to be calculated for the whole space that is open, not the listening area.
Looks like total cubic feet is somewhere in the 6000 to 6500 cubic feet.
 
lovinthehd

lovinthehd

Audioholic Jedi
I'd be happy with those, or Hsu VTF-3mk5 or VTF-15Hmk2s or the Monolith 15s for that matter. As to the servo thing being of great importance, meh.
 
ryanosaur

ryanosaur

Audioholic Overlord
Budget isn't super important since I'm about to go on turnaround. Extra money is going to pay for the subs. I don't think waf would go for the monoliths (are the servo subs supposed to be better than monolith)
Some will argue yes, but in today's market I think the design improvements in these newer subs equalize the playing field quite well from when the Servo Subs were likely better when they first hit the market.

Either way, I think you'll be fine. There is nothing wrong with Rythmik's offerings. ;)

For the room size you just posted, I think you are on the right track looking at 15" Subs.
 
j_garcia

j_garcia

Audioholic Jedi
Looks like total cubic feet is somewhere in the 6000 to 6500 cubic feet.
Duals 15s sounds about right then.

As for servo, maybe not the top selling point, but I do feel it has benefits. I heard the F12 at my friend's place and it definitely sounded great. When I was looking, F15HP was top of my list but wasn't available at the time and the SVS was on sale.
 
I

Imureh

Audioholic Intern
Budget isn't super important since I'm about to go on turnaround. Extra money is going to pay for the subs. I don't think waf would go for the monoliths (are the servo subs supposed to be better than monolith)
The fv15hp are outstanding. If you were looking for a bit more oomph though I would look at the new monolith 13 as well. What a performer. But I own Rythmik FV18s so I am a bit biased.


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K

kxthor

Junior Audioholic
The fv15hp are outstanding. If you were looking for a bit more oomph though I would look at the new monolith 13 as well. What a performer. But I own Rythmik FV18s so I am a bit biased.


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Could you post a pic? They would be as tall if not taller than my cabinet.
 
S

shadyJ

Speaker of the House
Staff member
Budget isn't super important since I'm about to go on turnaround. Extra money is going to pay for the subs. I don't think waf would go for the monoliths (are the servo subs supposed to be better than monolith)
Servo subs are not better than the Monoliths, in fact, they probably are not as good. Monolith solves the problem of distortion and accuracy directly through the driver architecture, servo is a workaround that has drawbacks to address distortion.
 
I

Imureh

Audioholic Intern
Servo subs are not better than the Monoliths, in fact, they probably are not as good. Monolith solves the problem of distortion and accuracy directly through the driver architecture, servo is a workaround that has drawbacks to address distortion.
James, when will you be able to post the monolith 16 cea data?


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K

kxthor

Junior Audioholic
Servo subs are not better than the Monoliths, in fact, they probably are not as good. Monolith solves the problem of distortion and accuracy directly through the driver architecture, servo is a workaround that has drawbacks to address distortion.
Another ah hah moment. This is why I posted. Could you explain what the drawback is? I'll be trying to look it up.
 
vader540is

vader540is

Full Audioholic
Looks like total cubic feet is somewhere in the 6000 to 6500 cubic feet.
FWIW Two FV15HP will not pressurize that space.

With a Umik-1, REW and Mini-DSP-HD I'm sure you can be very very happy with both those subs.

Those are quality subs and give you more bang for your buck than SVS.... I would know...I used to have a PB4000 and PB16.
 
Timforhifi

Timforhifi

Full Audioholic
I’ve tried so many great subs over the years, like so many others.

I’ll start about 10-12 years ago with epik. I bought 4 epik empires and they sounded incredible when they worked. As we all know chad never figured out how to stay in business and these amp failures were the cause. So I sold them and called Mark at seaton, thinking dual opposed 15s were what I loved. Ordered dual submersives, and they were nice but no match for 4 empires. So I returned and moved on to a new company called psa. Tom was incredible but the xv30 was just too big and couldn’t get it past the boss. So I called Brian at Rythmik and was convinced by the review at audioholics that the Fv15hp was my sub. Ordered two and one lv12f for my bedroom setup. I was blown away with the output of ported subs and never had this amount of spl. About a year later from boredom probably I called Tom at PSA. He REMEMBERED me from our conversations about family and many other things. He said he’d love to test an Fv15hp by Rythmik and gave me full msrp on trade. I was shocked by this and also his new subs that were coming out. He sold me maybe the first xv30f, these were incredible and output monsters. I bought dual xv30f and xv15 for my bedroom setup. Sold my Rythmik gear to friends in my audio group.

Then I got really crazy with psa gear. Bought 2 xs30se then sold xv30 and replaced with xv30fse. Xs were sold to a friend and I realized ported was for sure my preference. Then I went to dual v3600 and I wasn’t as impressed with the new lines. So my obsession ended with psa after I tried v1801. I tried dss mariana, JTR cap 4000 and cap 2400. These were very nice subs but I kinda lost my passion for bass. The dss was so expensive and wasn’t better than my old Rythmik fv15hp. Cap 4000 was huge and didn’t seem to have that chest pounding bass. So I had dual cap 2400 for about 3 months and wasn’t ever satisfied. They were great subs but for the money I wasn’t blown away. I did a trade with a buddy that just bought a pair of fv15hp. Those fv15hp didn’t have the extreme spl when digging deep as those cap 2400 but the Rythmik had more punch. It was that mid bass where Rythmik had the advantage in my room. Then we bought a new house and I sold almost all my gear.

We moved to this bigger house and I went kinda crazy with 7.2.4 setup. New canton vento, new amps, avr, and subs. Was my time to get whatever I wanted within reason. So I bought a pair of Rythmik fv18pc to go in this setup. I was blown away, deep bass like cap 2400 with that strong mid punch. Then I made the mistake showing a friend my setup and he offered me what I paid for them. My obsession with trying something else made me say yes. So they left after a year, and then covid happened. To hold me over I bought a pair of used psa v1512 that a guy local just bought and his wife wasn’t thrilled with their looks. So I used these and they were nice but suffered from driver noise and port chuffing. Which I can’t stand so I started to look but everything was out of stock from this pandemic. I got last Christmas a monolith 12 and I was shocked how good it was. Was put in my bedroom setup and I started looking at monoprice. Still I was convinced I was getting Rythmik subs again but I gave in and bought a pair of the mono 15s. Then about 3 weeks after I bought the new monoprice subs came out. I thought about returning but I felt like why would I do that. These mono 15s outperform my Rythmik fv15hp and are so close to Fv18pc. Even running rew the mono dig as deep with as much spl. Mid bass Fv18 did better but the numbers are so high with max spl. I’m hitting 8hz and 113db@10hz, 125db@25hz, and 120+db up to 100hz. Now I could buy mono 13 or 16 when it comes out but I realized for the $2200 I spent this was the kind of bass I was getting from much more expensive subs. These mono subs just won’t make a bad noise too. Just clean loud bass. So I’m going to stick with these till next urge comes. Hopefully it won’t.

also tried others like svs pb13, pb12+, pb16, hsu vtf3mk5.

So if I was you I’d get the mono 13, incredible output with low distortion. Mono 16 might change the market on these internet direct subs. Those numbers James posted on mono 13 were all ports open in thx mode. In my room extended with one port plugged gives me way more output below 16hz. Would love to see numbers in different configurations. Still great work on the review!
 
K

kxthor

Junior Audioholic
FWIW Two FV15HP will not pressurize that space.

With a Umik-1, REW and Mini-DSP-HD I'm sure you can be very very happy with both those subs.

Those are quality subs and give you more bang for your buck than SVS.... I would know...I used to have a PB4000 and PB16.
What do you have now?
 
D

Danzilla31

Audioholic Spartan
James, when will you be able to post the monolith 16 cea data?


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I'm betting money that Monolith is asking him to hold that info until they are ready to be released and shipped. I could be wrong but that's my speculation.

It makes sense on Monoliths part when you think about it
 
Pogre

Pogre

Audioholic Slumlord
Probably. :)
What's your overall budget?
considered the Monolith 15s?
I'll tell ya man, that new Mono 13" is pretty tempting for just a little more. Remember in the review they measure only the radiating surface area of that driver. The way most others spec drivers (measure the frame) it'd be a 15". Double the power so a touch more headroom too.

 
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