Official Rythmik Audio Subwoofer thread - Page 597 - AVS | Home Theater Discussions And Reviews
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post #17881 of 17887 Old Yesterday, 12:15 PM
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So ever since I re-ran Audyssey in single port mode with high dampening things seem to sound a little better to my ears. I just got done watching the Edge of Tomorrow intro a few times first at -20, -15, and -10. No port chuffing and no clipping. For all of you FV15HP owners does a red light flash when your amplifier is clipping? The reason I ask is because my old LV12R's would flash red when driven too hard.
I've yet to see the red light flash on my two FV15HP and i've pushed them pretty hard to -8 on my Yamaha RX-A2010. I have had the limiter kicked in though, I only noticed when testing the subs with all speakers disabled, but there was no flashing of the red light

I actually have a question myself, I know this question is fairly subjective as it is based on room dimensions and frequency response. But I would like to know what are the peak SPL you folks getting with your FV15HP? I'm running duals in my room that is roughly 2300 cubic feet. The max volume I've seen on my spl metre is 114 decibels and that is with two ports open on both sub. My FR is pretty flat from 31 hz to 80 with +/- 1 variation. I am in a basement, not sure how much the contributes to loss of SPL.

I forgot to add the room is not completely sealed. There is roughly a 5 x 8 feet opening on the right that leads to a staircase.

Television: Panasonic TC-P65VT60
Receiver: Yamaha RX-A2010
Speakers: Energy RC-70's, RC-LCR, RC-10 (4), Rythmik FV15HP (2) and Velodyne VDR-12 (3),

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post #17882 of 17887 Old Yesterday, 12:41 PM
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L12 is intended as entry level model. It is not to replace F series models. So I will say you can still hear a slight difference in side-by-side comparison. But it still preserves the aritculate sound quality that ours subs are known for. The output between 30hz to 80hz is slightly less than F12 because of smaller enclosure size (14" cube). The difference of output between 50hz to 100hz is however less. The whole idea is to make it compact and therefore also save shipping cost.
Thanks so much for the quick reply. Is it fair to say that even though the L12 is an entry model, because of the servo accuracy it will sound as good as the SB2000? Also, has it been decided whether it will be available in a matte black non textured finish?
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post #17883 of 17887 Old Yesterday, 12:59 PM
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I have had the limiter kicked in though, I only noticed when testing the subs with all speakers disabled, but there was no flashing of the red light
How do you know the limiter kicked in if there is no indication on sub?
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post #17884 of 17887 Old Yesterday, 01:02 PM
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Originally Posted by Rythmik View Post
L12 is intended as entry level model. It is not to replace F series models. So I will say you can still hear a slight difference in side-by-side comparison. But it still preserves the aritculate sound quality that ours subs are known for. The output between 30hz to 80hz is slightly less than F12 because of smaller enclosure size (14" cube). The difference of output between 50hz to 100hz is however less. The whole idea is to make it compact and therefore also save shipping cost.
Brian,

Can you answer my question a few posts back about the amplifier and clipping? Thanks!

Receiver - Denon 4311CI
Speakers - Infinity P363's, PC351, P153's
Subs - Rythmik FV15HP's
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post #17885 of 17887 Old Yesterday, 01:07 PM
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How do you know the limiter kicked in if there is no indication on sub?
That's what I was getting ready to ask myself.

Receiver - Denon 4311CI
Speakers - Infinity P363's, PC351, P153's
Subs - Rythmik FV15HP's
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post #17886 of 17887 Old Yesterday, 01:16 PM
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How do you know the limiter kicked in if there is no indication on sub?
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Originally Posted by JT78681 View Post
That's what I was getting ready to ask myself.
Well I wouldn't had known if I didn't have all the speakers disabled. I'm not sure how to describe it but it sounds as the bass would come to an halt but then quickly come back on again. When I turned off the limiter what I just described did not happen.


Keep in mind this was just me toying with subs to see how far I can push them.

Television: Panasonic TC-P65VT60
Receiver: Yamaha RX-A2010
Speakers: Energy RC-70's, RC-LCR, RC-10 (4), Rythmik FV15HP (2) and Velodyne VDR-12 (3),

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post #17887 of 17887 Unread Today, 01:19 AM
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Originally Posted by JT78681 View Post
So ever since I re-ran Audyssey in single port mode with high dampening things seem to sound a little better to my ears. I just got done watching the Edge of Tomorrow intro a few times first at -20, -15, and -10. No port chuffing and no clipping. For all of you FV15HP owners does a red light flash when your amplifier is clipping? The reason I ask is because my old LV12R's would flash red when driven too hard.

The Hypex module based amps work a bit differently than the amp in FV15HP. In the former, the indicator on the panel serves multi-purpose which includes clipping. In FV15HP, the clipping indicator is actually on the servo board and therefore not visible from outside the sub. In short, LV12R and FV15HP indicators work differently.
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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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