Official Rythmik Audio Subwoofer thread - Page 982 - AVS Forum | Home Theater Discussions And Reviews
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post #29431 of 29452 Old Yesterday, 07:40 PM
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post #29432 of 29452 Old Yesterday, 09:05 PM
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Originally Posted by JimWilson View Post
[Rythmik FV18]
I was just about to ask you if UPS had delivered your shipment from Rythmik, and then I saw your pic. Have fun! We are enthusiastically anticipating your review...

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post #29433 of 29452 Old Yesterday, 09:29 PM
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Do we have any numbers to compare the FV25 vs the F28? Since the box is the same size, I'm curious as to how the numbers compare.
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post #29434 of 29452 Old Yesterday, 10:57 PM
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Got my Fv15hp today! What am I going to do with that box?!

Used the recommended settings for 1port and used ypao, but the results set all my speakers to large and 40 crossover. Should I run it again or what settings should I use?

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post #29435 of 29452 Old Yesterday, 11:24 PM
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Originally Posted by beavil View Post
Got my Fv15hp today! What am I going to do with that box?!

Used the recommended settings for 1port and used ypao, but the results set all my speakers to large and 40 crossover. Should I run it again or what settings should I use?
As a starting point, set all your speakers to SMALL and all to a 80Hz crossover, then have a listen & tweak away.

Yamaha RX-A3060 7.1.4 Receiver [+Sony Power Amp for Rear Height] / Sony KD-65Z9D / JVC HD1 DILA Projector / 90" screen / OPPO UDP-203 UHD blu-ray / Apple TV 4
Ascension Summoner 3-way Front Speakers / Ascension 3-way Centre Speaker / Peachtree D5 Surrounds / Yamaha NS-555 3-Way Rear Speakers / ERA D4 x 4 Height Speakers / Rythmik Audio F15HP Sub
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post #29436 of 29452 Old Yesterday, 11:42 PM
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As a starting point, set all your speakers to SMALL and all to a 80Hz crossover, then have a listen & tweak away.
Will this cancel out the receiver measurements? Or will I just be tweaking it?

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post #29437 of 29452 Old Yesterday, 11:58 PM
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Originally Posted by Maconi View Post
Do we have any numbers to compare the FV25 vs the F28? Since the box is the same size, I'm curious as to how the numbers compare.
We may want to ask enricoclaudio about this directly, since he is Rythmik's tech liaison. The F28HP will also have the same amplifier as the FV25. Rythmik has stated that they hope to start selling the F28HP this coming Fall. So far I haven't seen any exact specifications on either the FV25 or the F28HP, though I think Rythmik may have at least a good guesstimate for predicting how these two subwoofers will perform, relative to each other.

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post #29438 of 29452 Old Today, 12:34 AM
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Originally Posted by beavil View Post
Will this cancel out the receiver measurements? Or will I just be tweaking it?
No, it doesn't cancel out the YPAO measurements, just sends the low bass from those channels to your new sub.

Yamaha RX-A3060 7.1.4 Receiver [+Sony Power Amp for Rear Height] / Sony KD-65Z9D / JVC HD1 DILA Projector / 90" screen / OPPO UDP-203 UHD blu-ray / Apple TV 4
Ascension Summoner 3-way Front Speakers / Ascension 3-way Centre Speaker / Peachtree D5 Surrounds / Yamaha NS-555 3-Way Rear Speakers / ERA D4 x 4 Height Speakers / Rythmik Audio F15HP Sub
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Jim, where will your review be posted when it is ready?

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Quote:
Originally Posted by beavil View Post
Got my Fv15hp today! What am I going to do with that box?!

Used the recommended settings for 1port and used ypao, but the results set all my speakers to large and 40 crossover. Should I run it again or what settings should I use?
YPAO tends to set even medium sized speakers as Large. What I have done is to change the size of all my non subwoofer speakers to Small and set the crossover frequency at 80Hz. This solution has worked well for me. My FV18s play nicely with my other speakers.

HT setup: Sony 75XBR X940D UHD HDR TV; Kaleidescape Strato Movie Server 6 TB; Yamaha RX-A3060 AV receiver; Sonamp 2-1 2channel 100W power amp; Crestron Control System; 2 Rythmik FV18 subwoofers, 6 Hsu HB-1 Bookshelf speakers, 1 Hsu HC-1 Center speaker, 4 Focal ICW8 in-ceiling Atmos speakers; Oppo UDP-203 4K HDR BD player; Mac Mini HTPC. TiVO Bolt 1TB DVR; TiVo Premiere Elite 2 TB DVR
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post #29441 of 29452 Old Today, 09:51 AM
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Busy weekend and this is a fast moving thread, but just popping in to say I setup my dual F15HP's on Friday. For music, they blend seamlessly and sound phenomenal and believe I have at least set a baseline. I can tell my speakers aren't working so hard any more and the subs are very detailed on the low end.

I am a little underwhelmed by the output; they're not as hard hitting as I was expecting, but that is probably the nature of the sealed subs and may have some relation to my placement (not a complaint as I didn't need house shaking bass, but curious if tweaking some settings might give me a little more oomph). I did increase the offset in my AVR by 3 dBs and may move that to 6 when I get some more time to tweak.

For music:
Rumble Off
Freq 14 Hz
Damping High

Movies:
Rumble On
Freq 14 Hz
Damping Low

The above the general guidelines? I have my gain set to 0 and my volume is adjusted accordingly for when I setup via Audyssey (halfway on one, few clicks under on the other).

On another note, the second sub introduced some kind of feedback buzz to my system. I'll have to find some time to troubleshoot that.
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post #29442 of 29452 Old Today, 12:17 PM
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Just heard a room with 6 fv15hp. Omg!!!!

He wants me to buy 4 fv15hp for $4000. Than he's going to buy 4 fv25.
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post #29443 of 29452 Old Today, 12:32 PM
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Originally Posted by Timothy1180 View Post
Just heard a room with 6 fv15hp. Omg!!!!

He wants me to buy 4 fv15hp for $4000. Than he's going to buy 4 fv25.
If they're in good shape that is a really good deal. Assuming they're not piano black (in which case the savings is even better), that would be like $1350 off new price.

Gonna do it?

My Current "Living Room" Home Theater!My Frequency ResponsesDialing in Rythmik SubsGetting Started with REW
TV:Samsung PN50C8000——Projector:Optoma GT1080——Screen:Elite VMAX2 Electric——AVR:VSX-44——Fronts:B&W 684 S1
Center:B&W CM Center S2——Surrounds:B&W 685 S1——Subs:2xRythmik FV15HP——Rear Surrounds & Front Height:Polk T15
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All piano black. I have black oak. I actually like wood look better.

I was going to buy a pair of fv25 when new house is built but I think 4 fv15hp will outperform dual Fv25.

Maybe rythmik can chime in with output comparables???? They all use ds1510 drivers?
For example one fv25 is about 126-127 db at 30-50hz. Dual fv15hp will be same or maybe more?

If it's better than dual fv25 I'll buy them for sure. 6 fv15hp sounds incredible with massive output everywhere. I can't imagine a room with more bass. I've heard rooms with 4 Psa xv30f. 2 jtr cap1400. 4 pb13ultra. I heard a room with jtr 4000 with hsu vtf15 and these 6 fv15hp were better than all those.
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Quote:
Originally Posted by ballen420 View Post
Busy weekend and this is a fast moving thread, but just popping in to say I setup my dual F15HP's on Friday. For music, they blend seamlessly and sound phenomenal and believe I have at least set a baseline. I can tell my speakers aren't working so hard any more and the subs are very detailed on the low end.

I am a little underwhelmed by the output; they're not as hard hitting as I was expecting, but that is probably the nature of the sealed subs and may have some relation to my placement (not a complaint as I didn't need house shaking bass, but curious if tweaking some settings might give me a little more oomph). I did increase the offset in my AVR by 3 dBs and may move that to 6 when I get some more time to tweak.

For music:
Rumble Off
Freq 14 Hz
Damping High

Movies:
Rumble On
Freq 14 Hz
Damping Low

The above the general guidelines? I have my gain set to 0 and my volume is adjusted accordingly for when I setup via Audyssey (halfway on one, few clicks under on the other).

On another note, the second sub introduced some kind of feedback buzz to my system. I'll have to find some time to troubleshoot that.
I was a little underwhelmed when I first got my FVX15, but that was because I was listening at the volumes I did with my previous subwoofer (MFW-15). I found that with my FVX15, I was able to increase the volume on receiver way higher that used to (used to listen at around -32, now regularly -20 to -15 or more). Output increased and it sounds so much cleaner. Receiver and other speakers are all the same as before. I am no expert so don't know exact reason, but assume that was due to distortion was getting with other sub. I would increase sub level on your AVR or just turn it up a little more. Congrats on the purchase. Hope you enjoy yours as much as I continue to enjoy mine!

Receiver - Yamaha
Sub - Rythmik FVX-15
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post #29446 of 29452 Old Today, 01:04 PM
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Im swapping my preamp from one that has XT32 to a newer Yamaha with the dual sub eq 64 bit YPAO. Granted from what I read Yamaha is not as good as XT32 here, should you still run the sub as 14hz low for room eq, and then change to mid or high damping if you want? IIRC, the sharp roll off of low kept room eq from trying to boost too much down low and eat up amp power so you used the sharp rolloff mode and then could swap to a mode with a more gradual rolloff after eq.
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post #29447 of 29452 Old Today, 01:04 PM
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Quote:
Originally Posted by Timothy1180 View Post
All piano black. I have black oak. I actually like wood look better.

I was going to buy a pair of fv25 when new house is built but I think 4 fv15hp will outperform dual Fv25.

Maybe rythmik can chime in with output comparables???? They all use ds1510 drivers?
For example one fv25 is about 126-127 db at 30-50hz. Dual fv15hp will be same or maybe more?

If it's better than dual fv25 I'll buy them for sure. 6 fv15hp sounds incredible with massive output everywhere. I can't imagine a room with more bass. I've heard rooms with 4 Psa xv30f. 2 jtr cap1400. 4 pb13ultra. I heard a room with jtr 4000 with hsu vtf15 and these 6 fv15hp were better than all those.
In terms of output, 4 x FV15HPs and 2 x FV25s are very close but below 16Hz the advantage goes to the FV25's pair because it will have much less port noise which mean you can play louder without reaching its limits.



Enrico Castagnetti @ Rythmik Audio
Media Room: Ascend Acoustics Sierra Towers w/ RAAL, Horizon w/ RAAL & Sierra 2s | Rythmik F12SE (x2) | Marantz SR7008 | Parasound Halo P5 | Emotiva XPA-3 & XPA-200 | Oppo 105D | Sony HW40ES |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac|
Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz NR1606 | Emotiva XPA-200 Gen 2 | Samsung UN50JU6500 |
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Originally Posted by enricoclaudio View Post
In terms of output, 4 x FV15HPs and 2 x FV25s are very close but below 16Hz the advantage goes to the FV25's pair because it will have much less port noise which mean you can play louder without reaching its limits.
Do you have any measurements to be able to compare the FV25 to the F28 yet?
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Originally Posted by gadgtfreek View Post
Granted from what I read Yamaha is not as good as XT32 here, should you still run the sub as 14hz low for room eq, and then change to mid or high damping if you want?
Yes
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post #29450 of 29452 Unread Today, 04:03 PM
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Quote:
Originally Posted by Maconi View Post
Do you have any measurements to be able to compare the FV25 to the F28 yet?
No yet, sorry.



Enrico Castagnetti @ Rythmik Audio
Media Room: Ascend Acoustics Sierra Towers w/ RAAL, Horizon w/ RAAL & Sierra 2s | Rythmik F12SE (x2) | Marantz SR7008 | Parasound Halo P5 | Emotiva XPA-3 & XPA-200 | Oppo 105D | Sony HW40ES |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac|
Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz NR1606 | Emotiva XPA-200 Gen 2 | Samsung UN50JU6500 |
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The Denon X4x00 is equivalent to a Marantz 701x. However, instead of op-amps the Marantz pre-amp stage utilizes discrete circuitry they call HDAMs. I have not directly compared, but the Marantz implementation is said be warmer while retaining detail.

There is no Marantz equivalent AVR to the Denon X6x00 and X7x00 flagships. The closest equivalents are the AV770x and AV880x pre-amps, respectively.
A well designed amp should not be artificially altering the sound, only providing power. There is a lot of placebo involved in sound quality with amps and audio gear in general. There is a reason no one has won the $10k double blind amplifier test....when the curtain is drawn, the magical pixie dust sound quality improvements are suddenly undetectable between properly designed amps when played within their clean output capabilities. Do people truly and honestly hear a difference...absolutely, even if there is not one...its just the way humans work. People will hear a difference even if the source is not changed if bias is allowed to play a role. And it always does outside of double blind testing. You can't choose to not be biased.
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@enricoclaudio - what is the max input voltage for the PEQ3 amp on the FV15HPs?

My Current "Living Room" Home Theater!My Frequency ResponsesDialing in Rythmik SubsGetting Started with REW
TV:Samsung PN50C8000——Projector:Optoma GT1080——Screen:Elite VMAX2 Electric——AVR:VSX-44——Fronts:B&W 684 S1
Center:B&W CM Center S2——Surrounds:B&W 685 S1——Subs:2xRythmik FV15HP——Rear Surrounds & Front Height:Polk T15
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