ULS-15 MK2 or L22 or F12-300 - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 10 Old 08-31-2018, 12:23 PM - Thread Starter
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ULS-15 MK2 or L22 or F12-300

Looking to replace ~15 yr old subs, in a dual sub configuration, for 30/70 movie/music duty. The subs need to fit under the cofee tables on each side of the sofa (MLP), hence the limited choices. Room has 30 feet cathedral ceiling and opens to another room to the left (with 15ft ceiling). Need AVS advice.
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post #2 of 10 Old 08-31-2018, 01:13 PM
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Originally Posted by Gyroscopics View Post
Looking to replace ~15 yr old subs, in a dual sub configuration, for 30/70 movie/music duty. The subs need to fit under the cofee tables on each side of the sofa (MLP), hence the limited choices. Room has 30 feet cathedral ceiling and opens to another room to the left (with 15ft ceiling). Need AVS advice.
The HSUs are probably the best of those options. Just saw the movie music ratio. So if max output is not the priority a pair of the L22s would be the best of both worlds. In between the other two in output with the musicality of Rythmik's servo tech.

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post #3 of 10 Old 08-31-2018, 01:36 PM - Thread Starter
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Originally Posted by Kini62 View Post

The HSUs are probably the best of those options. Just saw the movie music ratio. So if max output is not the priority a pair of the L22s would be the best of both worlds. In between the other two in output with the musicality of Rythmik's servo tech.
Is the ULS-15MK2 louder than the L22? I know the L22 is louder than the F12 per Rythmic's website...
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post #4 of 10 Old 08-31-2018, 02:14 PM
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Is the ULS-15MK2 louder than the L22? I know the L22 is louder than the F12 per Rythmic's website...
Based on Rythmik's data the HSU would likely have a little more output. It should be similar to Rythmik's 15 sealed subs. Based on your preference for music IMO the L22 is the best compromise.

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post #5 of 10 Old 08-31-2018, 05:13 PM - Thread Starter
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Originally Posted by Kini62 View Post
Based on Rythmik's data the HSU would likely have a little more output. It should be similar to Rythmik's 15 sealed subs. Based on your preference for music IMO the L22 is the best compromise.
I asked on the Rythmik thread if there's any harm laying the L22 on its side - no response. I'm gonna order the HSU. Thanks for the input.
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post #6 of 10 Old 08-31-2018, 05:30 PM
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I asked on the Rythmik thread if there's any harm laying the L22 on its side - no response. I'm gonna order the HSU. Thanks for the input.
It's ok to lay the subs on their sides even if there are heat sinks that run vertically. They won't get hot enough to really make a difference.

I'm sure you'll be satisfied with the HSUs though.

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post #7 of 10 Old 08-31-2018, 05:46 PM - Thread Starter
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Originally Posted by Kini62 View Post
It's ok to lay the subs on their sides even if there are heat sinks that run vertically. They won't get hot enough to really make a difference.

I'm sure you'll be satisfied with the HSUs though.

Thanks, I also sent an inquiry to Rythmik if they give discount for direct pick-up from their warehouse. I realize I will be charged tax if I order from Rythmik, but not from HSU.
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post #8 of 10 Old 09-01-2018, 09:15 PM - Thread Starter
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It's ok to lay the subs on their sides even if there are heat sinks that run vertically. They won't get hot enough to really make a difference.

I'm sure you'll be satisfied with the HSUs though.

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Originally Posted by Gyroscopics View Post
Can the L22 be placed on its side without degrading performance or adding risk of overheating? I'm considering the L22 but have limited placement options...
@enricoclaudio can correct me if I'm wrong, but I believe there should be no degradation. My recollection is this same question has been answered earlier in this thread. Of course, the feet are the on the bottom and you'd need to consider how you're going to decouple the sub from whatever you place it on.
Thanks for all the input. I got the twin L22's setup at my house today. Thanks to Brian and @enricoclaudio for the quick response and smooth transaction (received the L22s less than 24 hours from first inquiry). Big step-up from my 15 yr old ported HSU. Still tuning the L22s but so far so good. Very tight and musical.
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post #9 of 10 Old 09-02-2018, 05:08 AM
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Originally Posted by Gyroscopics View Post
Thanks for all the input. I got the twin L22's setup at my house today. Thanks to Brian and @enricoclaudio for the quick response and smooth transaction (received the L22s less than 24 hours from first inquiry). Big step-up from my 15 yr old ported HSU. Still tuning the L22s but so far so good. Very tight and musical.
Congratulations. I love mine. They fit well in my room, are unobtrusive in their locations, and have "integrated" just fine with two radically different pair of fronts (Magnepan MMGs first and now Philharmonic BMRs). With them in the mix for 2 channel music they had the right impact and weight of deep bass without calling attention to themselves. It just seems like my FR have more extension.

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post #10 of 10 Old 09-02-2018, 10:05 AM
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Originally Posted by Gyroscopics View Post
Thanks for all the input. I got the twin L22's setup at my house today. Thanks to Brian and @enricoclaudio for the quick response and smooth transaction (received the L22s less than 24 hours from first inquiry). Big step-up from my 15 yr old ported HSU. Still tuning the L22s but so far so good. Very tight and musical.
I love sealed servo subs for the reasons you describe.

Congratulations.

Geoff A. J., California
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