Rythmik FV15HP, Power Sound Audio XV30, HSU VTF-15H or SVS PB-12/13 Plus/Ultra? - AVS Forum
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post #1 of 28 Old 09-17-2013, 06:16 AM - Thread Starter
 
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I've been reading reviews for months on these subs (Rythmik FV15HP, Power Sound Audio XV30, HSU VTF-15H or SVS PB-12/13 Plus/Ultra) and am having an extremely difficult time trying to decided on one. Unfortunately there are no audio dealers near me that carry any of these subs so i'm also unable to give them a listen which doesn't help. All of the reviews are mixed saying that one is better than the other.

My theater room is 20 x 25 (6000cf) and my 7 speaker setup is composed of Klipsch THX Ultra2's. I use it 85% for movies and 15% for music. I want a sub that is going to shake the house off it's foundation w/clean undistorted hard hitting bass that can be pushed hard. My budget is about $1,500 and I plan on eventually going with 2 of whatever one I choose for balance sound. If anyone has had any experience w/these or currently owns one of them I'd greatly appreciate your input on which would be best. Thank you.
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post #2 of 28 Old 09-17-2013, 07:23 AM
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I think you selected some great choices...imo any of them will serve you well. I would consider the FV15HP the top dog in that list. You should consider the warranties as a top priority as well. Amp failure rates appear to be at a all time high and its not brand specific.
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post #3 of 28 Old 09-17-2013, 07:26 AM
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If you want to shake the foundation in that 6000 cubic foot room with $1500 you need to go DIY. To do that room any justice I would think dual JTR Caps are a minimum. Out of the choices you listed I would get the Rythmik, but it won't do what you want unless you are exaggerating. Still a great sub though.
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post #4 of 28 Old 09-17-2013, 07:32 AM
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To what was already mentioned +1 and is this room sealed or opened up to other rooms or open doorways.
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post #5 of 28 Old 09-17-2013, 07:34 AM
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If you plan on adding another one. Go for the pb13 ultra or the Rythmik. Two would be needed for the performance your asking for in a room that size.

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post #6 of 28 Old 09-17-2013, 08:13 AM - Thread Starter
 
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"Oztech", the room is sealed with wood floors/walls/ceiling.

"Brian6751", SVS was my first choice until I started discovering these other off the mainstream subs which lead me to where I am. SVS also seems to have the best and latest reviews and a great warranty.

"Basshead81", the FV15HP looks pretty beastly but I couldn't find any info on the warranty plus they charge $138 shipping. SVS ships free, both ways, should I change my mind or want to upgrade and offers a 5yr warranty at no extra charge.

"MKtheater", do the DIY subs really compare to the Rythmik FV15HP and SVS Ultra or even outperform them?
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post #7 of 28 Old 09-17-2013, 08:17 AM
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Depends on the DIY subs. Of course you can build a sub to be better performance. You can do it very cheaply as well. Cheap usually means big though. When you say foundation moving what levels are you actually looking for? What frequency response. etc..
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post #8 of 28 Old 09-17-2013, 08:27 AM
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According to dominguez1, the Rythmik FV15HP has deeper extension than the SVS PB13 and PSA XV30.
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post #9 of 28 Old 09-17-2013, 08:31 AM - Thread Starter
 
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I'm looking to hit 16hz. I like and prefer my movie bass to hit hard and low giving the best cinematic experience. I was just exaggerating on the whole "foundation moving" but the bigger and deeper the bass the better. I've noticed on the majority of DIY subwoofer kits that they aren't ported which is recommended for subwoofers intended in home theater applications. What are your recommendations for DIY? Do you have the Rythmik?
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post #10 of 28 Old 09-17-2013, 08:32 AM
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Originally Posted by DualMono View Post

According to dominguez1, the Rythmik FV15HP has deeper extension than the SVS PB13 and PSA XV30.

It does not have deeper extension then the PB13 or VTF-15, but it does have substantially more output then both down that low. The XV30 has the least amount of extension.
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post #11 of 28 Old 09-17-2013, 08:41 AM
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Quote:
Originally Posted by THXMovieMaster4 View Post

I'm looking to hit 16hz. I like and prefer my movie bass to hit hard and low giving the best cinematic experience. I was just exaggerating on the whole "foundation moving" but the bigger and deeper the bass the better. I've noticed on the majority of DIY subwoofer kits that they aren't ported which is recommended for subwoofers intended in home theater applications. What are your recommendations for DIY? Do you have the Rythmik?

For 12hz extension I can only picture 4 LLT's built out of sonotubes! Massive subs with massive spl to 12hz! Very easy to build but I did say they would be massive. Oh, They would cost about $1500 with amp total! Can you say 124.5 dBs at 13hz!
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post #12 of 28 Old 09-17-2013, 08:45 AM
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Originally Posted by MKtheater View Post

For 12hz extension I can only picture 4 LLT's built out of sonotubes! Massive subs with massive spl to 12hz! Very easy to build but I did say they would be massive. Oh, They would cost about $1500 with amp total! Can you say 124.5 dBs at 13hz!

in a 6000^3 room?
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post #13 of 28 Old 09-17-2013, 08:48 AM
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in a 6000^3 room?

No, Winisd sims. In room depends on many things. Each one would have more output than any sub mentioned.
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post #14 of 28 Old 09-17-2013, 09:02 AM
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Both svs and rythmik make excellent subs and have excellent customer service. They both also backup their products. Svs has a better written warranty but I have never heard of anyone having issues with their rythmik subs and not being taken care of.

They are both worth every penny IMO.

I have owned both. If you made me choose, I would pick the pb ultra.

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post #15 of 28 Old 09-17-2013, 09:03 AM
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Also, svs may say free shipping, but its built into the cost of the sub. Have no doubt.

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post #16 of 28 Old 09-17-2013, 09:28 AM - Thread Starter
 
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Sounds pretty intense and good. I've never built a sub or amp from scratch so I don't know if I'd be able to piece it together that easily. Do you have any links for parts/instructions?
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post #17 of 28 Old 09-17-2013, 09:30 AM
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Quote:
Originally Posted by THXMovieMaster4 View Post

I'm looking to hit 16hz. I like and prefer my movie bass to hit hard and low giving the best cinematic experience. I was just exaggerating on the whole "foundation moving" but the bigger and deeper the bass the better. I've noticed on the majority of DIY subwoofer kits that they aren't ported which is recommended for subwoofers intended in home theater applications. What are your recommendations for DIY? Do you have the Rythmik?
Ha! Only mk would consider moving the foundation a design goal! biggrin.gif
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post #18 of 28 Old 09-17-2013, 09:30 AM - Thread Starter
 
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Originally Posted by MKtheater View Post

For 12hz extension I can only picture 4 LLT's built out of sonotubes! Massive subs with massive spl to 12hz! Very easy to build but I did say they would be massive. Oh, They would cost about $1500 with amp total! Can you say 124.5 dBs at 13hz!

Sounds pretty intense and good. I've never built a sub or amp from scratch so I don't know if I'd be able to piece it together that easily. Do you have any links for parts/instructions?
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post #19 of 28 Old 09-17-2013, 09:46 AM
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Originally Posted by basshead81 View Post

I think you selected some great choices...imo any of them will serve you well. I would consider the FV15HP the top dog in that list. You should consider the warranties as a top priority as well. Amp failure rates appear to be at a all time high and its not brand specific.



basshead81 do you have any facts to back up that statement?
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post #20 of 28 Old 09-17-2013, 09:54 AM
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Quote:
Originally Posted by THXMovieMaster4 View Post

Sounds pretty intense and good. I've never built a sub or amp from scratch so I don't know if I'd be able to piece it together that easily. Do you have any links for parts/instructions?

You buy the amp and build the end caps. The enclosures can either be made out of wood or Sonotube. Sonotube is a round concrete form and no need to build anything. You just cut round circles that fit the sonotube, driver, and port. There are many builds of sonosubs. You can cover them with different materials as well. The 4 subs I owned is still one of the most visceral experiences I have owned and only surpassed by the deep extension of the others.
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post #21 of 28 Old 09-17-2013, 10:02 AM
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Originally Posted by MKtheater View Post

The 4 subs I owned is still one of the most visceral experiences I have owned and only surpassed by the deep extension of the others.
What's nice about the Sonotubes is how easy they would be to tune deeply. There is hardly any room for long ports to go in a box for a deep tune, but a cylinder makes it real easy and for such a small footprint too.
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post #22 of 28 Old 09-17-2013, 10:30 AM - Thread Starter
 
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I was looking around for sub amps if I went the sonostube route but best I found was a Dayton 1000w amp but it was only putting out 497watts @ 8ohms. Do you have know where I could get higher powered amps?
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post #23 of 28 Old 09-17-2013, 10:58 AM
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You build them as passives and connect the subs with speaker wire and run one powerful amp like a EP-4000. You run the system as one sub.
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post #24 of 28 Old 09-17-2013, 10:59 AM
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You can make the subs smaller as you increase the tune. If you want 10hz, huge, 16hz, not as big, etc..
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post #25 of 28 Old 09-17-2013, 01:01 PM
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Originally Posted by booga24 View Post

[/B]


basshead81 do you have any facts to back up that statement?

Yea try searching the internet. Several subs with dead amps from different companies have been reported lately. My comment was not bash, it was more or less to inform that a 5yr warranty may be an important factor.
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post #26 of 28 Old 09-17-2013, 01:42 PM
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I had a Dayton SA 1000 for my two sub and it broke within 3 weeks driving my 18 in pair of Chase 18.1 subs. A Berhinger 6000 DSP can drive 3-4 subs that are passive. Part Express sells sub kit that take one or two hours to put together that should perform exceptionally in a large room. http://www.parts-express.com/pe/showdetl.cfm?partnumber=300-7094 For that size room don't under cut yourself.

Klipsch RF 7 based HT 7.4, Pioneer SC 35, Acurus Five 200 amp, Chase SS 18.2(2), VS 18.1(2), Samsung BDP F 7500, Asus/My Book Live HPC 4 TB

Yaquin VK 2100 amp, McIntosh XR 5 speakers, Samsung BDP F 7500
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post #27 of 28 Old 09-17-2013, 02:10 PM
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Sealed won't cut it in that room unless he has many of them. If he wants full bandwidth to 5 hz and sealed he needs 8x18's! However, if ported and tuned to say 13-16hz he can get away with much less. How about Tapped horns or folded horns! A couple of GH's with the UXL would do it, or for cheaper maybe 4 of lilmikes house wreckers are in order. Of course I recommend bass to impress!
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post #28 of 28 Old 09-17-2013, 05:29 PM
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Quote:
Originally Posted by MKtheater View Post

Sealed won't cut it in that room unless he has many of them. If he wants full bandwidth to 5 hz and sealed he needs 8x18's! However, if ported and tuned to say 13-16hz he can get away with much less. How about Tapped horns or folded horns! A couple of GH's with the UXL would do it, or for cheaper maybe 4 of lilmikes house wreckers are in order. Of course I recommend bass to impress!

Actually, for that 6000cf room, he'll need aprox. 12x18 (if they are SIs) to get to full bandwidth at reference (ULF score of 500)!

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