Official JTR Orbit Shifter Subwoofer Thread - Page 49 - AVS Forum | Home Theater Discussions And Reviews
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post #1441 of 1456 Unread 07-26-2015, 01:57 PM
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Quote:
Originally Posted by redliner140 View Post
Anybody have any max spl graphs of a OS outside or in room?

Data-bass test of the Shifter Pro: http://www.data-bass.com/data?page=s...d=119&mset=131

That's not the LFU, but still useful.

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post #1442 of 1456 Unread 07-26-2015, 02:15 PM
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Quote:
Originally Posted by zeus33 View Post
Data-bass test of the Shifter Pro: http://www.data-bass.com/data?page=s...d=119&mset=131

That's not the LFU, but still useful.

Yea, I've seen that. I meant the LFU. My bad. Thanks anyway.
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post #1443 of 1456 Unread 07-26-2015, 04:58 PM
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Quote:
Originally Posted by redliner140 View Post
Yea, I've seen that. I meant the LFU. My bad. Thanks anyway.

IIRC, Jeff said they will be testing a LFU sometime in the next few months.

Found it:

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Originally Posted by Jeff Permanian View Post
The first all new Orbit Shifter LFU should be coming off the assembly line in the next few days. Data-Bass is all booked up this summer but hoping they can test early in the fall. The PRO version broke their records 40hz and above so hopefully the LFU can break some records too.

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post #1444 of 1456 Unread 07-27-2015, 11:31 AM
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Originally Posted by lz7j View Post
How difficult would it be to integrate an OS LFU to ported subs (tuned 17hz if that matters)?
@asoofi1 and @Freakquency - do you happen to have compression graphs or SPL readings to see what kind of output you're getting in room at 20hz and 25hz?
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I know you were asking others but I can tell you my OS's were hitting 136dB at the MLP when Lukeman came over with his dB drag mic. In my room the OS peaks right at the tune of about 22hz.
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Originally Posted by DotJun View Post
I know it doesn't really answer your question, but Jeff told me to use sealed if I were to ever use a different sub to go with my OS.
I can testify a sealed sub works quite well with the OS LFU...I've been running one of my shifters with a sealed 24" from DSS...and they get along with each other during play time.

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current gear: lcr JTR 212HT ~ quad JTR 8LP ~ dual JTR Orbit Shifters LFU ~ Elemental Designs eD6c ~ Marantz SR7008 ~ PT-AE8000U ~ Elite 176" 2.35 ATS

Last edited by asoofi1; 07-27-2015 at 09:08 PM.
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post #1445 of 1456 Unread Yesterday, 07:35 AM
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Originally Posted by Freakquency View Post
Depends what subs you have I suppose. If they are leagues below the OS LFU near field would be my only suggestion.
Over the last week I've had mine I can barely believe how far this thing can be pushed, I haven't seen the top yet. It's so hard and clean your clothes vibrate on your body and I'm on a concrete floor in an 1800sq ft open basement. With corner loading I don't believe 20hz levels will be an issue.
I currently have 4 x Ported Marty Subs. I'm already getting all the output I could ever need in my room with the Marty Subs but I'm left wondering what it'd be like to own the best commercial sub when it comes to output

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I know you were asking others but I can tell you my OS's were hitting 136dB at the MLP when Lukeman came over with his dB drag mic. In my room the OS peaks right at the tune of about 22hz.
Aren't you the "crazy guy" with 3 x Shifters? Man, that must be plain nuts! I'm at 125db@25hz with 4 x Marty Subs (2 full martys /w 16hz tune and 2 marty cubes /w 20hz tune). Doing a very rough calculation, one of your OS is equivalent to my 4 Marty Subs with HT18's (1kw rms each driver). Your set-up is wicked!

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Originally Posted by DotJun View Post
I know it doesn't really answer your question, but Jeff told me to use sealed if I were to ever use a different sub to go with my OS.
I'm tryin to evaluate if it's worth switching out my cabs to sealed and ordering an OS LFU before Friday. As of right now, I'm leaning towards just upgrading my drivers. I really want to experience 35hz-80hz, 130db+

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post #1446 of 1456 Unread Yesterday, 11:09 AM
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Originally Posted by lbrown105 View Post
I know you were asking others but I can tell you my OS's were hitting 136dB at the MLP when Lukeman came over with his dB drag mic. In my room the OS peaks right at the tune of about 22hz.
That was a very memorable experience. The OS is obviously a potent sub, but having two near-field like that was just awesome!
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post #1447 of 1456 Unread Yesterday, 02:54 PM
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Quote:
Originally Posted by lz7j View Post
I currently have 4 x Ported Marty Subs. I'm already getting all the output I could ever need in my room with the Marty Subs but I'm left wondering what it'd be like to own the best commercial sub when it comes to output


Aren't you the "crazy guy" with 3 x Shifters? Man, that must be plain nuts! I'm at 125db@25hz with 4 x Marty Subs (2 full martys /w 16hz tune and 2 marty cubes /w 20hz tune). Doing a very rough calculation, one of your OS is equivalent to my 4 Marty Subs with HT18's (1kw rms each driver). Your set-up is wicked!


I'm tryin to evaluate if it's worth switching out my cabs to sealed and ordering an OS LFU before Friday. As of right now, I'm leaning towards just upgrading my drivers. I really want to experience 35hz-80hz, 130db+
What distance are these measurements taken? Are you using just tones or music/movies clips?
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post #1448 of 1456 Unread Yesterday, 03:21 PM
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Originally Posted by lukeamdman View Post
That was a very memorable experience. The OS is obviously a potent sub, but having two near-field like that was just awesome!
the crazy thing is that is probably starting to seem tame compared to your latest 18" mains and horn sub set up. Can't wait to read the responses after your GTG.

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Amplifier: Sunfire TGA7400, Lab Gruppen FP10000Q
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post #1449 of 1456 Unread Yesterday, 03:27 PM
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[QUOTE=lz7j;36090722]
Aren't you the "crazy guy" with 3 x Shifters? Man, that must be plain nuts! I'm at 125db@25hz with 4 x Marty Subs (2 full martys /w 16hz tune and 2 marty cubes /w 20hz tune). Doing a very rough calculation, one of your OS is equivalent to my 4 Marty Subs with HT18's (1kw rms each driver). Your set-up is wicked!



the OS benefits from multiples in most rooms just like other subs in terms of evening the room response across multiple seats. It does seem ridiculous and I remember thinking after the first one there is no way I would buy more of them, but the bass is so addictive the next thing I knew I had three of them. If the room were bigger I would consider more of them.

Pre-Pro: Emotiva XMC-1, DSP: Mini DSP 2x4 balanced
Amplifier: Sunfire TGA7400, Lab Gruppen FP10000Q
Speakers: JTR Noesis 212HT (LCR), JTR Slant 8's (surrounds), 3 Orbit Shifter LFU's
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post #1450 of 1456 Unread Yesterday, 03:34 PM
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I have to go back on my comment of not getting another OS, I can actually see myself getting another.
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post #1451 of 1456 Unread Yesterday, 05:53 PM
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What distance are these measurements taken? Are you using just tones or music/movies clips?
The measurements were taken 12' in my MLP. Here's a compression graph with only 3 Marty subs - I had to stop because my umik1 started to clip. I ended up measuring it manually by generating sinewave tones using rew and measuring with a CSL cm-140 spl meter (115db@12hz, 121db@16hz, 125db@25hz, 126db@30hz). I've since added a 4th this weekend and about to add 2 more next weekend. I'm going to stick with the diy path, I only started to dabble in it 3 weeks ago.

my xo was set to 50hz and have yet to add any eq

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post #1452 of 1456 Unread Yesterday, 06:05 PM
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Looks great, respectable numbers. I wanted to go diy but I just don't have time.
I believe the umik can be adjusted internally for taking higher readings.
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post #1453 of 1456 Unread Yesterday, 07:00 PM
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Looks great, respectable numbers. I wanted to go diy but I just don't have time.
I believe the umik can be adjusted internally for taking higher readings.
I hear ya on having the time to build. Luckily for me, I found a local guy that charges me about $100 in labor per Marty sub build and turns it around in a week.

The value in the OS IMO is the best, unless you can build your own g-horn. The components alone that go into an OS monster makes the price worth it. Nevermind about the knowledge and skill set to build a horn sub in that calibre. If I were to rewind 2 months ago, I'd have dual OS lfu's. It's the only commercial sub offering I would ever consider purchasing again, that's for sure!

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post #1454 of 1456 Unread Yesterday, 07:34 PM
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Yes the price was way to close for me to build vs buy.I built my first set of speakers twenty years ago that are still in use at a friend's house, so no stranger to diy.

I just got in trouble with the wife for playing this at 120db
She said the light fixtures upstairs were going to break
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post #1455 of 1456 Unread Today, 09:18 AM
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That one has crazy bass!
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post #1456 of 1456 Unread Today, 11:46 AM
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Here is the text she sent me last night.
I was in the basement, she was upstairs.
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