Official Rythmik Audio Subwoofer thread - Page 674 - AVS Forum | Home Theater Discussions And Reviews
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post #20191 of 20203 Old Yesterday, 08:42 AM
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I looked over the website but didn't see if any of the subs came with a high pass output?
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post #20192 of 20203 Old Yesterday, 11:00 AM
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Quote:
Originally Posted by DonH50 View Post
Attached a plot comparing two vs. four subs (2 - 200 Hz, 5 dB grid). With four subs I was able to smooth out some room resonance issues, including a dip between 50 and 60 Hz and a big peak up around 120 Hz (sub crossover is set and 70 Hz so that big rise should not be happening; with four subs I was able to suppress and narrow-band it. The subs are hooked up as a mono group but claibrated in pairs. I did fool around with individual settings, but the pairs are symmetric so tweaking them as pairs worked fine. The second rear sub is slaved off the first in the final configuration.

More pictures showing final (for now) system response over on the XMC-1 thread: Emotiva XMC-1 Owners Only Thread I shall note that four subs allowed me to really dial in the overall system response and integration with the mains so I have the best sound I have had in years. Should have added them a while back but other things kept coming up.

I adjusted pre/pro gain so the plots mostly overlie; I did get a large boost in output by adding the rear pair (do not need it, though).

Now of course I wish I had XLR2 amps on my first pair of F12's but everything is working OK as-is. I was worried about ground loops sice the rear subs are on a totally differnt circuit but no problems (whether due to the balanced XLR connections or just luck I could not say). I really like having a trigger input on the subs! Saved me having to get a couple more X10 appliance modules to switch them on and off.

It was a lot of work (had a couple of vacation days I had to take; this used a substantial portion of them) but I am happy with the results. Some sonic issues I've been hearing seem gone now, probably due to a more even sound field and smoother frequency response for the whole system.

Happy, yes I am! Thanks Brian and Enrico! - Don
WOW.... -6dB @ 7Hz.. That's really impressive, Don!!! Good job
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post #20193 of 20203 Old Yesterday, 11:07 AM
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Quote:
Originally Posted by artur9 View Post
I looked over the website but didn't see if any of the subs came with a high pass output?
The F12 with A370PEQ amp comes with HPF out @ 80Hz. Also our XLR2 amp has HPF out (mono) via XLR fixed at 80Hz as well.
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post #20194 of 20203 Old Yesterday, 11:25 AM
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I'm in the market for a sub, but not sure which model I'd be happier with. I'm thinking either the LV12R or the F12. I'd be using the sub more for HT than music, say 80/20 split. I don't consider myself a bass head; I've never cared much about the room shaking while watching a movie. But I do like tight bass when listening to music.

My current speakers are Paradigm Studio 60's version 2, but in the next year or two I plan on upgrading. At this time, the Ascend Sierra Tower are at the top of my list.

My listening room (aka "the basement") is 14 x 27 feet with a drop ceiling 6.66 feet high. About 2517 cubic feet.

I'm not concerned about the price difference between the LV12R and the F12, but I'd be reluctant to spend more.

I'd welcome any suggestions as to which model (or any other) people may think I'd be happier with.
Thanks.
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post #20195 of 20203 Old Yesterday, 11:33 AM
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Quote:
Originally Posted by meli View Post
I'm in the market for a sub, but not sure which model I'd be happier with. I'm thinking either the LV12R or the F12. I'd be using the sub more for HT than music, say 80/20 split. I don't consider myself a bass head; I've never cared much about the room shaking while watching a movie. But I do like tight bass when listening to music.

My current speakers are Paradigm Studio 60's version 2, but in the next year or two I plan on upgrading. At this time, the Ascend Sierra Tower are at the top of my list.

My listening room (aka "the basement") is 14 x 27 feet with a drop ceiling 6.66 feet high. About 2517 cubic feet.

I'm not concerned about the price difference between the LV12R and the F12, but I'd be reluctant to spend more.

I'd welcome any suggestions as to which model (or any other) people may think I'd be happier with.
Thanks.
In a room like that I would also consider the L22 which has more output than both, the LV12R and the F12.
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post #20196 of 20203 Old Yesterday, 03:21 PM
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Quote:
Originally Posted by MrGoomba View Post
Just put an order in for an lv12r for my 18x15 room

Welcome to the family

The sub should arrive on Wed. You can then prep the sub with moderate playback for a few hours before enjoy the game.
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post #20197 of 20203 Old Yesterday, 03:41 PM
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Quote:
Originally Posted by Rythmik View Post
Quote:
Originally Posted by MrGoomba View Post
Just put an order in for an lv12r for my 18x15 room

Welcome to the family

The sub should arrive on Wed. You can then prep the sub with moderate playback for a few hours before enjoy the game.
Awesome!

Will this be enough sub for that sized room? I do have accoustic panels.

Someday I will get another but should upgrade a few other components first
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post #20198 of 20203 Old Yesterday, 06:56 PM
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Mad Max: Fury Road Blu-Ray is freaking audio and movie perfection!.

anyone dare watch at reference?

i can't imagine what dual subs will sound and feel like.

Receiver - Sony STR-DH550
Front - Klipsch Reference Premiere RP-280F
Center
- Klipsch Reference Premiere RP-450C
Sub - Rythmik FV15HP
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post #20199 of 20203 Old Yesterday, 07:02 PM
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I can almost guarantee Ill have mine at 0.0 master volume, but we will see.
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Panasonic VT50 / Sony S7200
Denon AVR-4520CI
Klipsch RF-7II and RC-64II
Dual Rythmik FV15HP's
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post #20200 of 20203 Old Yesterday, 07:14 PM
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Quote:
Originally Posted by gadgtfreek View Post
I can almost guarantee Ill have mine at 0.0 master volume, but we will see.
If you reference and live to tell it I myself will carry you to the gates of Valhalla. Where You will ride eternal, shiny and chrome .

Receiver - Sony STR-DH550
Front - Klipsch Reference Premiere RP-280F
Center
- Klipsch Reference Premiere RP-450C
Sub - Rythmik FV15HP
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post #20201 of 20203 Old Yesterday, 09:17 PM
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Quote:
Originally Posted by DonH50 View Post
Attached a plot comparing two vs. four subs (2 - 200 Hz, 5 dB grid)
<snip>

Nice response there. That's quite a rise you have from the 50-60 Hz range down to the subsonic. How big is your room?

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post #20202 of 20203 Old Today, 05:37 AM
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Quote:
Originally Posted by MrGrey View Post
If you reference and live to tell it I myself will carry you to the gates of Valhalla. Where You will ride eternal, shiny and chrome .

LMAO. Every now and then I have to run one at -2 or -3, you can tell when it is too much

I usually start at -7db or -6, and then work up the first few minutes of the movie. Can't wait to watch Fury Road, heard it was awesome.

Panasonic VT50 / Sony S7200
Denon AVR-4520CI
Klipsch RF-7II and RC-64II
Dual Rythmik FV15HP's
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post #20203 of 20203 Old Today, 06:37 AM
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Quote:
Originally Posted by checker9 View Post
Anyone got/heard a Rythmik L12? Is its output really has high as implied?

Per the Rythmik website subwoofer summary page, http://www.rythmikaudio.com/products1.html the L12, at 20 Hz max SPL, would be 1dB below the F12 which would be 9.5 dB below the VF15HP, which means the L12 would be 10.5dB below the FV15HP.

Per Databass, http://www.data-bass.com/systems the FV15HP produces 108.1 to 108.3 max 2 meter SPL at 20Hz in 2 and 1 port modes.

That would imply the L12 is around 97.5 dB at 20Hz.

For comparison, per Audioholics quoting a third party test, the SVS SB-2000 puts out 92.1 dB at 20 Hz and per Databass, the PSA XS-15SE is at 97.6 dB at 20 Hz and the SVS SB-13 Ultra is 96.5

That means the L12 would have the output of two SB-2000s, which has almost twice as powerful amplifier (500 WRMS on the SB-2000 vs 300 WRMS on the L12), slightly more output than the SVS SB-13 Ultra which has a slightly bigger driver and more than 3 times more power (1000 WRMS) and equal output to the XS-15SE which has a much bigger driver, 15 inch woofer vs 12, and a 550 WRMS amplifier.
No way the L12 will have more output than the SB13Ultra.
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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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