JBLPro 200 Series Two-Way Screen Array Cinema Loudspeakers - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 74 Old 03-27-2017, 11:03 AM - Thread Starter
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JBLPro 200 Series Two-Way Screen Array Cinema Loudspeakers

I just saw this on instagram and did a search on google and couldn't find a single thing about these anywhere. These must of either just been released moments ago, or I suck at searching lol. Anybody know anything about these? From the sounds of it, they look promising for crowd that likes to use professional cinema speakers in their home theaters like the 4722n etc and from the description, looks it they employ their "latest technologies." If that's true, maybe this is the beginning of something new. As some of you know, many of the fellas over on Film-Tech state that JBL is old technology and QSC is where it's at now. You think JBL is working on reclaiming the crown? What are your thoughts?



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post #2 of 74 Old 03-27-2017, 11:42 AM
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It's on JBLPro's twitter but not yet up on their website.



Edit: this picture seems to show a lot of similar visual language to the 3-series (pushed out woofer plateau) and the Arena series (waveguide shape with the woofer grill bridges matching the Arena tweeter grill bridges).
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post #3 of 74 Old 03-27-2017, 01:24 PM - Thread Starter
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I wonder what the fellas over at Film-tech will think about these when they come out. There just isn't enough information (or any at all for that matter) out there yet on these to come to any conclusions/predictions.
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post #4 of 74 Old 03-27-2017, 02:07 PM
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They forgot to patch all the screw holes. Interesting thing is I see no port, so are these sealed or rear firing?

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post #5 of 74 Old 03-27-2017, 02:19 PM
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So is the thinking in this design to narrow the horizontal dispersion of the woofers with the partial covering of the sides of the woofers? And are the compression drivers likely identical or different frequency ranges? I am interested to read the tech behind this design.
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post #6 of 74 Old 03-27-2017, 02:34 PM - Thread Starter
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A lot of interesting things I notice about these and no answers yet. They must be sealed, I can't imagine a rear ported cinema speaker.
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post #7 of 74 Old 03-27-2017, 02:40 PM
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They will be on display at CinemaCon. If all goes well, I will be at the show so I will do my best to check them out.
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post #8 of 74 Old 03-27-2017, 02:42 PM
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And I thought the 4722's were an ugly speaker.....
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post #9 of 74 Old 03-27-2017, 02:44 PM
 
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Quote:
Originally Posted by gworrel View Post
So is the thinking in this design to narrow the horizontal dispersion of the woofers with the partial covering of the sides of the woofers?
If anything it would make the dispersion wider. This shows why:
http://www.acoustics.salford.ac.uk/f...tionslider.swf
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And are the compression drivers likely identical or different frequency ranges? I am interested to read the tech behind this design.
http://www.jblpro.com/pub/technote/tn_v1n07.pdf
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post #10 of 74 Old 03-27-2017, 03:08 PM
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They almost look like in wall from the pic, but hard to say
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post #11 of 74 Old 03-27-2017, 04:08 PM
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This must be the joint venture of JBL Pro Cinema and Sony



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post #12 of 74 Old 03-27-2017, 04:21 PM - Thread Starter
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It does look somewhat like an massive in wall speaker. I wonder how long until JBL posts some info on their site.

@Molon_Labe it's the Samsung influence!
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post #13 of 74 Old 03-27-2017, 05:53 PM
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Quote:
Originally Posted by Bill Fitzmaurice View Post
I kind of knew that. It is like the BG Neo3pdr which uses strips of felt to cover the outside of the tweeter to widen the dispersion at high frequencies. Not seen very often on woofers.

Speaking of which, what about this Christie design which appears to use the Neo3:



Any rules of thumb in speakers design regarding frequencies at which you can get away with covering part of the low frequency driver?
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post #14 of 74 Old 03-27-2017, 06:45 PM
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JBL put some info up on their site. So here's a family picture of sorts:



It looks like they are ported to the side? The first three are all 12" deep with the high output top of the line being 14" deep. The first 3 all use the M115-8A 15in. woofer with the top of the line using different woofers (2275H) and CDs (2515XP-J). The C211 (first in the lineup, missing from picture) uses the same CD from the 7 series in a pretty standard looking front ported box. It's xover is 1.8khz, wtf? The middle 2 have the more Nolan Batmobile looking boxes with what seems like a variant of the 7 series CD (2409J-2). -10dB at 18k and 20k though. As Carson used to say, this is some weird, wild stuff.
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post #15 of 74 Old 03-27-2017, 07:03 PM
 
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Quote:
Originally Posted by gworrel View Post
Any rules of thumb in speakers design regarding frequencies at which you can get away with covering part of the low frequency driver?
Read page 1-5:
http://www.jblpro.com/pub/manuals/pssdm_1.pdf
Quote:
It does look somewhat like an massive in wall speaker.
It can't be in-wall with the side located ports, they would have to vent into the listening area, so behind screen yes, but not walled in.
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post #16 of 74 Old 03-27-2017, 08:54 PM
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Originally Posted by Bill Fitzmaurice View Post
That vertical dispersion looks like a pretty serious compromise if one horn loaded driver will do the job.

Does one of them get low passed?
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post #17 of 74 Old 03-27-2017, 11:24 PM
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Quote:
Originally Posted by 12B4A View Post
JBL put some info up on their site. So here's a family picture of sorts:



It looks like they are ported to the side? The first three are all 12" deep with the high output top of the line being 14" deep. The first 3 all use the M115-8A 15in. woofer with the top of the line using different woofers (2275H) and CDs (2515XP-J). The C211 (first in the lineup, missing from picture) uses the same CD from the 7 series in a pretty standard looking front ported box. It's xover is 1.8khz, wtf? The middle 2 have the more Nolan Batmobile looking boxes with what seems like a variant of the 7 series CD (2409J-2). -10dB at 18k and 20k though. As Carson used to say, this is some weird, wild stuff.


C211 barrier strip at the top? This isn't a surround speaker. It prevents us from flipping the C211 to have the HF at the top.

The rest of the designs seem inspired from the 9350 surround.

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post #18 of 74 Old 03-28-2017, 04:52 AM
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Originally Posted by Skylinestar View Post


C211 barrier strip at the top? This isn't a surround speaker. It prevents us from flipping the C211 to have the HF at the top.

The rest of the designs seem inspired from the 9350 surround.
I know nothing about the logistics of on-wall mounting speakers in modern theaters but it seems like top center would be a handy place for the barrier strip if one were running wires from the ceiling.

Mating an efficient 15" woofer with the 7 series CD seems like a homerun product for the niche segment of folks here. However:
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post #19 of 74 Old 03-28-2017, 05:03 AM
 
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That vertical dispersion looks like a pretty serious compromise if one horn loaded driver will do the job.
There's no compromise involved, a high degree of vertical dispersion isn't a good thing. As to the lobing, it dissipates as the distance to the LP increases, as shown here:
http://www.acoustics.salford.ac.uk/f.../diffract4.htm
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post #20 of 74 Old 03-28-2017, 07:17 AM
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Originally Posted by gworrel View Post
I kind of knew that. It is like the BG Neo3pdr which uses strips of felt to cover the outside of the tweeter to widen the dispersion at high frequencies. Not seen very often on woofers.

Speaking of which, what about this Christie design which appears to use the Neo3:



Any rules of thumb in speakers design regarding frequencies at which you can get away with covering part of the low frequency driver?
I have the neo8's in my old LS-6's I use up stairs for my stereo/den setup. I can certainly speak to their ability. A fine sounding HF unit.

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post #21 of 74 Old 03-28-2017, 07:46 AM
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Originally Posted by Bill Fitzmaurice View Post
There's no compromise involved, a high degree of vertical dispersion isn't a good thing. As to the lobing, it dissipates as the distance to the LP increases, as shown here:
http://www.acoustics.salford.ac.uk/f.../diffract4.htm
Cool link.
But for a small number of sources and home theater distances, isn't the lobing still a concern?
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post #22 of 74 Old 03-28-2017, 08:06 AM
 
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Cool link.
But for a small number of sources and home theater distances, isn't the lobing still a concern?
That depends how far out it resolves. For close listening, say six feet or less, even an MTM is problematic. That's why they're not used as nearfield studio monitors. Once you get to 8 feet or more it tends not to be an issue.
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post #23 of 74 Old 03-28-2017, 08:30 AM - Thread Starter
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Am I reading this correctly? 135 db CONTINUOUS max SPL for the C222HP? Can that be? That's 1db away from matching the 5742!
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post #24 of 74 Old 03-28-2017, 09:47 AM
 
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Am I reading this correctly? 135 db CONTINUOUS max SPL for the C222HP? Can that be? !
No, it can't. It's a calculated figure that doesn't take into consideration either electrical or mechanical power compression. Real world, figure it's 4 to 6dB lower.
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post #25 of 74 Old 03-28-2017, 11:17 AM
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I have the neo8's in my old LS-6's I use up stairs for my stereo/den setup. I can certainly speak to their ability. A fine sounding HF unit.
Those aren't neo8's though.

They are neo3's.
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post #26 of 74 Old 03-28-2017, 11:23 AM
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It's fun watching you guys figure out cinema speakers for home though.

"why's this thing look like that? these going to be sealed? isn't that bad for dispersion? is this an inwall?"


C'mon guys. Inwall, sealed cinema speakers?

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post #27 of 74 Old 03-28-2017, 12:28 PM - Thread Starter
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Interesting video I just saw on youtube, gives a lot more information on the design. As @Mark Seaton mentioned in the 4722n thread, this speaker certainly looks optimized for commercial cinema sized rooms with more rows than what is typically found in a home theater.

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post #28 of 74 Old 03-28-2017, 02:03 PM
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Originally Posted by Blackdevil77 View Post
Interesting video I just saw on youtube, gives a lot more information on the design. As @Mark Seaton mentioned in the 4722n thread, this speaker certainly looks optimized for commercial cinema sized rooms with more rows than what is typically found in a home theater.

https://www.youtube.com/watch?v=TPzlklx_Z9A
After watching that video and looking over this link on dual dissimilar arrays, it looks like they are using a combination of filters and the driver positioning to create dispersion patterns for commercial theaters with stadium seating.
https://www.jblpro.com/ProductAttach...per_051616.pdf

This doesn't seem like a good match for most home theaters.
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post #29 of 74 Old 03-28-2017, 02:15 PM - Thread Starter
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Originally Posted by rcohen View Post
After watching that video and looking over this link on dual dissimilar arrays, it looks like they are using a combination of filters and the driver positioning to create dispersion patterns for commercial theaters with stadium seating.
https://www.jblpro.com/ProductAttach...per_051616.pdf

This doesn't seem like a good match for most home theaters.
Yup, exactly. Mark mentioned the same thing in the 4722n thread.
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post #30 of 74 Old 03-28-2017, 05:34 PM
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Yup, exactly. Mark mentioned the same thing in the 4722n thread.
Yeah, although the 4722s I heard (Carp's) sounded quite good to me.

If only someone designed speakers with enormous output capabilities, with more emphasis on high fidelity, and designed for typical home theaters...

(hmm...I can think of a couple)
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