Official Rythmik Audio Subwoofer thread - Page 617 - AVS | Home Theater Discussions And Reviews
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post #18481 of 18505 Old 05-24-2015, 03:53 AM
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Quote:
Originally Posted by DooberKnob View Post
Thanks. They have a few different amp options with the F12G offering different conectivity. Two of which use XLR and I was hoping one of them would work since it's common among studio subwoofers to send the subwoofer singal through L/R rather than having a dedicated subwoofer signal.

Also sorry for the large images but it's all I could find.
Hi DooberKnob,

I believe your pre/pro is the Emotiva DAC XDA-2 Gen 2 unit? If so, there is no bass management within the device and an external box solution is recommended so that below the crossover frequency, you can send the bass to the Rythmik F12G subs.

MiniDSP offers an external bass management solution via the balanced 2x4 that will take the full range output signals from the XDA-2 and via an electronic crossover split the bass frequencies from the rest. You can then send these bass frequencies to the Rythmik subs and those frequencies above the crossover to the external amp driving your speakers.

You would need to roll up the sleeves and do some work to implement the external box solution from MiniDSP. Also get familiar with how bass works in your room and preferably measure it so that you get a nice smooth response. REW is your friend here.

Is XLR input on the Rythmik subs needed? I.e. you've got long cable run from your XDA-2 to the where the subs are located at? Or there is an issue with noise/hum in your main electrical circuit? Else the standard RCA input is what most people would use with the PEQ3 plate amp. Ask Brian or Enrico on the differences between XLR2/3 plate amp options to see which one is suitable for your room and application. There is a lot of flexibility offered on the Rythmik subs, so choose wisely.

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post #18482 of 18505 Old 05-24-2015, 09:04 AM
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FV15HP user here. I have two quick questions:

1) how much clearance do the woofer and the ports need? My sub is currently located about 6 inches behind my entertainment center. Is this okay?

2) any ideas on how to raise the subwoofer about a foot? I plan to raise my entertainment center about a foot and would like to raise my sub as well.

Thanks!
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post #18483 of 18505 Old 05-24-2015, 01:27 PM
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Originally Posted by woody777 View Post
2) any ideas on how to raise the subwoofer about a foot? I plan to raise my entertainment center about a foot and would like to raise my sub as well.
A cheap and effective way is cinder blocks wrapped in velvet
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post #18484 of 18505 Old 05-24-2015, 07:06 PM
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A cheap and effective way is cinder blocks wrapped in velvet
Oooooh! That's genius! Thanks!
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post #18485 of 18505 Old 05-24-2015, 09:37 PM
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I'm looking to most accurately play the movie track back as possible. Would I want to set my sub to a q of 1.1, .5, or somewhere in between. I generally see 1.1 is what people use for movies. Is this to most accurately play back the lfe track?
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post #18486 of 18505 Old 05-24-2015, 09:54 PM
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It's to give the biggest boost around 20-25Hz but with a steep rolloff below that. The setting that gives a low Q value will sound tighter and more articulate, but won't get as big of a boost at 20-25Hz. It will also not roll off as steeply below that. If you look at the graphs on the website you can see it. I see most people recommending the former for HT and the latter for music and that is what I intend to try. Some of Rythmik's subs have a middle setting also.
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post #18487 of 18505 Old 05-25-2015, 06:45 AM
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Quote:
Originally Posted by johnnymacIII View Post
I'm looking to most accurately play the movie track back as possible. Would I want to set my sub to a q of 1.1, .5, or somewhere in between. I generally see 1.1 is what people use for movies. Is this to most accurately play back the lfe track?
There isn't really a right answer.
You should go with what sounds best to you, and how much output you need for your room and listening levels.
14-hi damp is most accurate, but least efficient.
Less efficiency means that it will start distorting at lower volume levels.
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post #18488 of 18505 Old Yesterday, 06:45 AM
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Can anyone give me some help with properly setting up the FV15HP?

I just realized yesterday after reading the setup sheet again that I've had it configured incorrectly all this time for HT use.

I'm going to switch to 1 port stuffed / rumble OFF and 14hz / low. Are these proper settings? Is there anything I can do to give it more impact in the mid-bass region?
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post #18489 of 18505 Old Yesterday, 06:50 AM
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Quote:
Originally Posted by BB1111 View Post
Can anyone give me some help with properly setting up the FV15HP?

I just realized yesterday after reading the setup sheet again that I've had it configured incorrectly all this time for HT use.

I'm going to switch to 1 port stuffed / rumble OFF and 14hz / low. Are these proper settings? Is there anything I can do to give it more impact in the mid-bass region?
These new settings are correct. After you run your calibration are you boosting the sub channel any? How big is your room? I have Audyssey and I have Dynamic EQ turned on and run my subs 6db hot.

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 #18490 of 18505 Old Yesterday, 06:52 AM
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Originally Posted by JT78681 View Post
These new settings are correct. After you run your calibration depending on your receiver are you boosting the sub channel any? I have Audyssey and I have Dynamic EQ turned on and run my subs 6db hot.
I run XT32 and have been boosting the channel by 3db. I'm yet to try 6db, I keep Dynamic EQ off because of how much it boosts the surrounds when I'm listening at lower volumes. When watching movies with it off and with the subwoofer boosted it sounds pretty good... I'm curious how +6db will sound though.
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post #18491 of 18505 Old Yesterday, 06:59 AM
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Quote:
Originally Posted by BB1111 View Post
I run XT32 and have been boosting the channel by 3db. I'm yet to try 6db, I keep Dynamic EQ off because of how much it boosts the surrounds when I'm listening at lower volumes. When watching movies with it off and with the subwoofer boosted it sounds pretty good... I'm curious how +6db will sound though.
I typically listen at lower volumes, so Dynamic EQ is my friend. When it is turned off my subs almost seem lifeless. Boost it another 3db and report back. Don't be afraid to push your FV...

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 #18492 of 18505 Old Yesterday, 07:06 AM
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Originally Posted by BB1111 View Post
I keep Dynamic EQ off because of how much it boosts the surrounds when I'm listening at lower volumes.
I reduce my surround levels by 2 or 3dbs and it takes care of that problem with dyneq on.
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post #18493 of 18505 Old Yesterday, 07:08 AM
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Originally Posted by JT78681 View Post
I typically listen at lower volumes, so Dynamic EQ is my friend. When it is turned off my subs almost seem lifeless. Boost it another 3db and report back. Don't be afraid to push your FV...
Will give that a shot tonight and see how it goes, thanks for the help so far.

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I reduce my surround levels by 2 or 3dbs and it takes care of that problem with dyneq on.
I'll try this too, they are full-range surrounds and are about 4-5 feet from the listening positions but whenever I've tried having it on it's been unbearable, it was the worst watching shows on Discovery channel. All I would hear would be the surround speakers.

Thanks for the tip
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post #18494 of 18505 Old Yesterday, 07:16 AM
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^^^ Tvuong having Dynamic EQ on do you ever feel like your towers are overpowering your center channel at times? Specifically, the dialogue? I typically boost my center channel by 2.5-3 db after calibration, but I haven't tried dialing back my towers a bit.

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 #18495 of 18505 Old Yesterday, 07:29 AM
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No, all my front three is at where Aud set them. I have no problem hearing the dialogue. I would raise the center instead of lowing the main.
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post #18496 of 18505 Old Yesterday, 07:34 AM
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Originally Posted by tvuong View Post
No, all my front three is at where Aud set them. I have no problem hearing the dialogue. I would raise the center instead of lowing the main.
What speakers do you run?

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 #18497 of 18505 Old Yesterday, 07:36 AM
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I used to run Klipsch KLF10's and KLFC7, I now run three Behringer 212XL's. The C7 is a very good center.
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post #18498 of 18505 Old Yesterday, 08:06 AM
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Quote:
Originally Posted by BB1111 View Post
I run XT32 and have been boosting the channel by 3db. I'm yet to try 6db, I keep Dynamic EQ off because of how much it boosts the surrounds when I'm listening at lower volumes. When watching movies with it off and with the subwoofer boosted it sounds pretty good... I'm curious how +6db will sound though.
That's what the "Reference Level Offset" is for
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post #18499 of 18505 Old Yesterday, 08:18 AM
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Originally Posted by tvuong View Post
I used to run Klipsch KLF10's and KLFC7, I now run three Behringer 212XL's. The C7 is a very good center.
Are you powering them with an external amp? Also, any pictures?

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 #18500 of 18505 Old Yesterday, 08:24 AM
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That's what the "Reference Level Offset" is for

I remember researching this when I was dealing with the issue and I came to the conclusion that the reference level offset wasn't intended to help with this issue but instead to match the "dynamic range" of the content being listened to. I even asked Chris at Audyssey about it and he said to always leave it at "0" when watching Blu-rays even when listening at a level lower than reference..

What has your experience been with RLO?
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post #18501 of 18505 Old Yesterday, 08:42 AM
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Originally Posted by JT78681 View Post
Are you powering them with an external amp? Also, any pictures?
Nope, just from my X4000 AVR

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post #18502 of 18505 Old Yesterday, 09:07 AM
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Quote:
Originally Posted by BB1111 View Post
I remember researching this when I was dealing with the issue and I came to the conclusion that the reference level offset wasn't intended to help with this issue but instead to match the "dynamic range" of the content being listened to. I even asked Chris at Audyssey about it and he said to always leave it at "0" when watching Blu-rays even when listening at a level lower than reference..

What has your experience been with RLO?
That's interesting. I can't argue with the man himself, but when I try RLO I get the same thing as discussed in the Audyssey thread - less of a boost to the sub and surrounds.
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post #18503 of 18505 Unread Today, 12:22 AM
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Quote:
Originally Posted by BB1111 View Post
I remember researching this when I was dealing with the issue and I came to the conclusion that the reference level offset wasn't intended to help with this issue but instead to match the "dynamic range" of the content being listened to. I even asked Chris at Audyssey about it and he said to always leave it at "0" when watching Blu-rays even when listening at a level lower than reference..

What has your experience been with RLO?
RLO is meant for TV shows and music whose sound tracks have not been recorded to standards applicable to blu-ray. This is most notable for music tracks that vary in volume even though the MV has not changed.

Recall that Chris at Audyssey recommends RLO10 for music and RLO15 for TV shows. I have it currently set at RLO10 for both and is quite effective for both TV shows and music.

When watching blu-ray, I set the RLO back to 0.

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post #18504 of 18505 Unread Today, 12:40 AM
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I leave it at 0 for music because without it, the bass is too weak. YMMV, of course, and I'll see if that's still true when I get new subs.
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f12g subwoofer , Rythmik , Rythmik Audio , Rythmik Audio F12 Direct Servo Subwoofer , Rythmik Audio F15 Subwoofer , servo sub

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