Official Rythmik Audio Subwoofer thread - Page 553 - AVS Forum | Home Theater Discussions And Reviews
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post #16561 of 24476 Old 08-29-2014, 09:16 AM
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^^ Per Brian, he recommends running calibration with low damping then switch to whatever one prefers and NOT the other way around.
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post #16562 of 24476 Old 08-29-2014, 03:21 PM
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Quote:
Originally Posted by JT78681 View Post
The more I read it looks like a Q of 0.5 is preferred by most. This would be high dampening on Rythmik subs. To be honest I prefer low over high dampening. The bass is more full bodied, hence has more ringing, but it just sounds better with movies to me.
I use damping to match the timing of my speakers. I use mid damping for my Ascend 340s because it sounds like more of a match. However, when I had Gallo Reference Stradas (which are incredibly fast) in my system I had to go with high damping, there was no other choice. Low damping seems solely designed for that cinema boom. It's somewhat entertaining, but lots of other subs can do that. Rythmik's unique strength is tight, articulate bass, which may sound thin and dry to some, but it's much more realistic.
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post #16563 of 24476 Old 08-29-2014, 03:21 PM
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^^^

For the sealed F15, Brian's recommendation is, prior to running room EQ, set the amplifier to:
Rumble Filter - Off
Extension - 14Hz/Mid damping

Salk SongTowers-RAAL/Salk SongCtr-RAAL/Salk SongSurr ; Rythmik F12 (x2) (my humble setup guide) ; Denon 4520CI; D-Sonic M2-800S; Oppo BDP93; Panny 65VT50; BJCables; NAS DLNA; Xbox 360; Chromecast; Harmony One; Furman Elite-15 PFi; Omnimic & REW; CalMAN 5 HT i1D3 & i1Pro2 ::Headphones:: RaspPi3 w/Digi+ -> AGD DAC19 -> Cavalli LC -> HFM HE-400i ::: CCastAudio -> Schiit Bifrost 4490 -> Schiit Valhalla -> Senn HD600 ::: FooB2K -> Schiit Modi2U -> Schiit Magni2U -> Oppo PM3
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post #16564 of 24476 Old 08-29-2014, 06:18 PM
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Quote:
Originally Posted by Peen View Post
Hey something I've wondered for awhile,

Lets say you have an Antimode or some sort of sub EQ. Now I run 14hz and hi damping on my F15, but is it best to run antimode EQ with it on low damping, and then when done switch back to hi? Then when back to hi, I let Pioneer's MCACC do it's thing/ I thought this might be the case, but I saw that low damping just drops off quicker. And if that's the case, I'm not EQ'ing correctly and should EQ with what I actually run.

What do you guys think?

Sorry if this was discussed, I didn't see it.
I don't know about other "sub EQ" products, but the DSP AntiMode corrects for less-than flat amplitude response in the listening room as measured by the included microphone. If you set your Rythmik to Low or Medium Damping and run the Antimode, and then switch the Rythmik to High Damping, the Antimode will be correcting for a raw response that no longer exists. Not the optimum implementation of the Antimode's abilities, IMO.
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post #16565 of 24476 Old 09-01-2014, 08:09 PM
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Just want to add that for music, the Onkyo 5509 made the sub sound way better when compared to the Onkyo 818...
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post #16566 of 24476 Old 09-03-2014, 01:39 PM
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For those who are interested, Best Buy has the Denon 4520 for $999. Such a bargain for one of the best receiver. JT, jump on it.
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post #16567 of 24476 Old 09-03-2014, 01:41 PM
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Great deal if you don't care about ATMOS.
Quote:
Originally Posted by tvuong View Post
For those who are interested, Best Buy has the Denon 4520 for $999. Such a bargain for one of the best receiver. JT, jump on it.

My home theater upgrade thread
Speakers: 3 JTR 212HTR (LCR), 2 Jtr Single 8LP (S), 2 JTR Triple 12LF (SB)) , 4 Volt 10LX (Atmos)
Subwoofers: 4 Rythmik FV15HP , 5 Crowson Shadow 8 transducers, 3 Buttkicker LFE
Receivers/Amps: Denon X5200W, Emotiva XPA-2 G1 (LR), 2 Emotiva XPA-5 G2 , 2 BK 1000A
Displays: Benq W7000 (3D only), Benq W6000 (2D only)
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post #16568 of 24476 Old 09-03-2014, 03:22 PM
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F25 back in stock

For those who were waiting, the F25 with HX800XLR3 amp is back in stock.



Enrico Castagnetti @ Rythmik Audio
Media Room: Polk LSiM705s, LSiM706C, LSiM703s | Rythmik F12SE (x2) | Marantz SR7008 | Parasound Halo P5 | Emotiva XPA-3 & XPA-200 | Oppo 105D | Sony HW40ES |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Duet | 27" iMac|
Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz NR1606 | Emotiva XPA-200 Gen 2 | Samsung UN50JU6500 |
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post #16569 of 24476 Old 09-03-2014, 03:56 PM
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Quote:
Originally Posted by tvuong View Post
For those who are interested, Best Buy has the Denon 4520 for $999. Such a bargain for one of the best receiver. JT, jump on it.
That's an unbelievable offer for a previous generation flagship!

For those not interested in Atmos, this is a real bargain. I wish this deal was available where I'm at.

Marantz SR-7009, Oppo BPD-93, MTV 7000D, aTV, Harmony Home Control remote, KEF E301+T101, MiniDSP (2x4)+(10x10HD)+(DDRC-88A), Emotiva 2xXPA-5 (Gen2), Rythmik 2xF12G+2xF8, HiMedia Q16, LG 55EC9300.
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post #16570 of 24476 Old 09-03-2014, 05:06 PM
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Quote:
Originally Posted by steveting99 View Post
That's an unbelievable offer for a previous generation flagship!

For those not interested in Atmos, this is a real bargain. I wish this deal was available where I'm at.
Amazon has matched BB's price, but they're almost out of them now.

It makes a great companion to a pair of Rythmik subs.

Salk SongTowers-RAAL/Salk SongCtr-RAAL/Salk SongSurr ; Rythmik F12 (x2) (my humble setup guide) ; Denon 4520CI; D-Sonic M2-800S; Oppo BDP93; Panny 65VT50; BJCables; NAS DLNA; Xbox 360; Chromecast; Harmony One; Furman Elite-15 PFi; Omnimic & REW; CalMAN 5 HT i1D3 & i1Pro2 ::Headphones:: RaspPi3 w/Digi+ -> AGD DAC19 -> Cavalli LC -> HFM HE-400i ::: CCastAudio -> Schiit Bifrost 4490 -> Schiit Valhalla -> Senn HD600 ::: FooB2K -> Schiit Modi2U -> Schiit Magni2U -> Oppo PM3
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post #16571 of 24476 Old 09-03-2014, 11:07 PM
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^^ For those living in the states and want the Denon 4520ci that's on a fire sale now, give jdsmoothie at AVS a call on 585-645-1006.

Marantz SR-7009, Oppo BPD-93, MTV 7000D, aTV, Harmony Home Control remote, KEF E301+T101, MiniDSP (2x4)+(10x10HD)+(DDRC-88A), Emotiva 2xXPA-5 (Gen2), Rythmik 2xF12G+2xF8, HiMedia Q16, LG 55EC9300.
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post #16572 of 24476 Old 09-04-2014, 05:30 AM
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Where are you guys seeing the Denon AVR4520CI listed at $999? Everywhere I look it shows $1599.

Display - LG 65EF9500
Receiver - Denon 4311CI
Speakers - Klipsch RF-82 II's, RC-62 II, RB-61 II's
Subs - Rythmik FV15HP's
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post #16573 of 24476 Old 09-04-2014, 05:43 AM
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Yesterday it was on sale at Best Buy and Amazon for $999. Give JD a call to get a very good deal on the 4520.



Enrico Castagnetti @ Rythmik Audio
Media Room: Polk LSiM705s, LSiM706C, LSiM703s | Rythmik F12SE (x2) | Marantz SR7008 | Parasound Halo P5 | Emotiva XPA-3 & XPA-200 | Oppo 105D | Sony HW40ES |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Duet | 27" iMac|
Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz NR1606 | Emotiva XPA-200 Gen 2 | Samsung UN50JU6500 |

Last edited by enricoclaudio; 09-04-2014 at 05:50 AM.
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post #16574 of 24476 Old 09-04-2014, 08:26 AM
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Quote:
Originally Posted by enricoclaudio View Post
For those who were waiting, the F25 with HX800XLR3 amp is back in stock.
Just FYI. The site still shows as out of stock.

Display - LG 65EF9500
Receiver - Denon 4311CI
Speakers - Klipsch RF-82 II's, RC-62 II, RB-61 II's
Subs - Rythmik FV15HP's
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post #16575 of 24476 Old 09-04-2014, 09:50 AM
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I don't have a lot of placement choices for my F15HP, but before I try I wanted to know how significant the dips around 58hz and 90hz are.
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post #16576 of 24476 Old 09-04-2014, 10:03 AM
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I would explore your options. That's a massive, wide trough centered at about 90 Hz and spanning more than an octave.

Now, if you were crossing over to the mains at 50 Hz, then you're probably pretty good.

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post #16577 of 24476 Old 09-04-2014, 10:07 AM
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I would explore your options. That's a massive, wide trough centered at about 90 Hz and spanning more than an octave.

Now, if you were crossing over to the mains at 50 Hz, then you're probably pretty good.
I cross the mains at 60 and the sub at 80.
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post #16578 of 24476 Old 09-04-2014, 10:16 AM
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I cross the mains at 60 and the sub at 80.
This doesnt make sense. Do you mean the mains are set at 60 and all other speakers at 80?
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post #16579 of 24476 Old 09-04-2014, 10:22 AM
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This doesnt make sense. Do you mean the mains are set at 60 and all other speakers at 80?
The AVR is set to cross the speakers at 60 and the sub at 80 This was how the AVR's room correction set it.
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post #16580 of 24476 Old 09-04-2014, 10:51 AM
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Quote:
Originally Posted by JT78681 View Post
Just FYI. The site still shows as out of stock.
Refresh or delete cookies. It shows in stock since two days ago.



Enrico Castagnetti @ Rythmik Audio
Media Room: Polk LSiM705s, LSiM706C, LSiM703s | Rythmik F12SE (x2) | Marantz SR7008 | Parasound Halo P5 | Emotiva XPA-3 & XPA-200 | Oppo 105D | Sony HW40ES |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Duet | 27" iMac|
Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz NR1606 | Emotiva XPA-200 Gen 2 | Samsung UN50JU6500 |
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post #16581 of 24476 Old 09-04-2014, 11:36 AM
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^^^ Darn cookies...

Display - LG 65EF9500
Receiver - Denon 4311CI
Speakers - Klipsch RF-82 II's, RC-62 II, RB-61 II's
Subs - Rythmik FV15HP's
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post #16582 of 24476 Old 09-04-2014, 12:52 PM
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Quote:
Originally Posted by gregcss View Post
The AVR is set to cross the speakers at 60 and the sub at 80 This was how the AVR's room correction set it.
You're using Anthem's ARC. It is setting a high-pass crossover on the speakers to 60 Hz. So everything above that goes to the speakers and everything below goes to the sub, as is typical for bass management schemes. In addition, it is setting a low-pass crossover on the sub at 80 Hz. This would only take effect on the LFE channel, since the aforementioned crossover means that the sub will never see 80 Hz from the bass management system (except what is left after the roll-off dictated by the crossover's slope).

Normally it would try to set the low-pass crossover for the sub at 120 Hz, but the in-room response is preventing it from doing that. Another reason to play around with sub placement, if you can. Also be sure that the Rythmik amp's low-pass crossover is disabled.

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post #16583 of 24476 Old 09-04-2014, 06:26 PM
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Been a while since I posted, but I just watched the second launch scene in Ender's Game on my FV15HPSE and it dropped. my. jaw. I live in a concrete loft and felt concerned for my safety. I can't WAIT to get a bigger place someday and get duals.
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post #16584 of 24476 Old 09-05-2014, 05:48 AM
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^^^ Glad to hear your still a happy camper.

Display - LG 65EF9500
Receiver - Denon 4311CI
Speakers - Klipsch RF-82 II's, RC-62 II, RB-61 II's
Subs - Rythmik FV15HP's
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post #16585 of 24476 Old 09-05-2014, 06:26 AM
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I have an unsuspecting friend coming into town this weekend and I plan on putting him through the paces with all my demo material.

Display - LG 65EF9500
Receiver - Denon 4311CI
Speakers - Klipsch RF-82 II's, RC-62 II, RB-61 II's
Subs - Rythmik FV15HP's
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post #16586 of 24476 Old 09-05-2014, 06:41 AM
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Quote:
Originally Posted by gregcss View Post
The AVR is set to cross the speakers at 60 and the sub at 80 This was how the AVR's room correction set it.
Have you tried adjusting the phase/delay?
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post #16587 of 24476 Old 09-05-2014, 07:19 AM
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Have you tried adjusting the phase/delay?
I have not but I believe Rythmik materials indicate changing the subwoofer distance (something different than the main speakers) has the same effect. Even though the sub is right next to the left main speaker I believe i have it set at a distance of 3 feet further than the left is set to.
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post #16588 of 24476 Old 09-05-2014, 07:43 AM
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Quote:
Originally Posted by gregcss View Post
I have not but I believe Rythmik materials indicate changing the subwoofer distance (something different than the main speakers) has the same effect. Even though the sub is right next to the left main speaker I believe i have it set at a distance of 3 feet further than the left is set to.
My dual F12SEs are out for delivery, and I can't be more excited! New AVR, 2 channel preamp, subs, surrounds, TV in a newly remodeled/repurposed room. I can't wait to set it all up this weekend!
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post #16589 of 24476 Old 09-05-2014, 08:13 AM
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Quote:
Originally Posted by gregcss View Post
I have not but I believe Rythmik materials indicate changing the subwoofer distance (something different than the main speakers) has the same effect. Even though the sub is right next to the left main speaker I believe i have it set at a distance of 3 feet further than the left is set to.
Yes, tuning the distance on the receiver is a good way to go. Try tuning it to maximize the amplitude at the crossover frequency. That will mean that they are in phase. If they are out of phase, you would get cancellation, and therefore a dip, at the crossover frequency.


The dip could also be caused by a room null, but tuning phase/delay/distance is the first thing to try.
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post #16590 of 24476 Old 09-05-2014, 12:27 PM
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^^ +1. One needs measurement gear to tweak the distances. I know I can't trust my ears. Here is my graph showing the big dip (more like null caused by my center and subs interaction) around my 80hz crossover with Audyssey distances setting and the dip..less after changing my subs distances. The result is very rewarding . Remember, Audessey and many other auto cal receivers only calibrate each channel separately but when you listen, you listen thru all channels combined which could cause dip/null as in my case. The distance tweak makes lots of sense.

Graph of my center and subs:
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Last edited by tvuong; 09-05-2014 at 12:40 PM.
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