JBL Pro LSR6328P - AVS Forum
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post #1 of 18 Old 08-20-2014, 07:23 AM - Thread Starter
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JBL Pro LSR6328P

Having been a JTR owner the past couple of years, I've decided to migrate over to JBL. The primary reason being that I was floored after listening to the JBL M2's and figured if I'm going the LCR route with the M2's that I would look into JBL for my surrounds.

My dealer has been great working directly with JBL throughout this process and JBL has recommended the JBL LSR6328P monitors to mate with the M2 frontstage. Although I have been a pure compression driver kind of guy for some time now, it looks as though these should have the output I need for near/midfield surrounds.

Has anyone had the opportunity to listen to the LSR6328P? I'm curious to hear impressions before I pull the trigger.

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post #2 of 18 Old 08-20-2014, 07:28 AM
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I would probably go with something like the JBL 8340a for surrounds, they are cheaper and THX certified, as well as designed to be mounted in a surround position. The rear port will be blocked on those LSRs, and I think the 8340s will do a better job keeping up with your M2s.
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post #3 of 18 Old 08-20-2014, 07:44 AM
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Quote:
Originally Posted by Transmaniacon View Post
I would probably go with something like the JBL 8340a for surrounds, they are cheaper and THX certified, as well as designed to be mounted in a surround position. The rear port will be blocked on those LSRs, and I think the 8340s will do a better job keeping up with your M2s.
Why not consider the JBL 3677, those are studio monitors, I really don't think they are going to be as good as the 3677's. In fact I can almost assure you of that. Big question is do you have the space for the 3677? Plus the 8340's will perfectly match the 3677's.
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post #4 of 18 Old 08-20-2014, 08:06 AM
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Going to have to disagree with the other posters. The 6332 is probably the closest thing to the M2 in terms of output and frequency response. I've heard them, and they sound like many other high end Harman products I've heard, that is, just right. Although, tbh the JBL LSR308 would probably be just as good for surrounds, and would allow you to have an all active system.

The JBL pro 3677 is not in the same league as the M2 and the 8340, frankly, doesn't even belong in the same discussion. It's a narrow dispersion speaker with sound power problems.

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post #5 of 18 Old 08-20-2014, 09:01 AM
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I'm sure the midbass, dynamics and output of the 3677 will far surpass that of the 6328 and easily come close if not keep up with the M2 with enough power if you wanted to continue past reference levels. As far as problems, I noticed nothing but insane clarity, midbass and dynamics and a huge sound stage, as did the professional reviewer linked below(skip to 3 minutes if you want the good stuff). Of course it's not pretty and don't have a built in amp,so there's that.


But sure I also think the 3677 would be great, make that insane (IMO) as surrounds, with the 8340a second. If you check the Home theater of the Month it has 8340a as surrounds and rears and the reviewer stated it's so good he uses Gorilla's theater as his reference for all other theaters.
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post #6 of 18 Old 08-20-2014, 11:24 AM
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Midbass: Almost exclusively setup and room dependent. It's not really a relevant thing to compare.

Dynamics: Relative. It depends on room size and desired listening levels. But as long as two speakers can reproduce the requested SPL peaks with relatively low distortion, they should sound similarly dynamic. High efficiency speakers do not create dynamic sound, they just reproduce it faithfully.

In all but the biggest rooms the 6328p, lsr308, and 6332 should have plenty of output capability to spare at reference.

Pro reviewers: Please don't get me started.

Not trying to be rude or diss your speakers, but I do believe any of the JBL pro monitors are simply better suited for the intended application.

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post #7 of 18 Old 08-20-2014, 11:36 AM
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That's cool. Everyone has there own opinion. Having owned these the and several other speakers in the same theater (i've since moved and will soon build a new theater), as well as using them out doors for parties, I can attest that their midbass, dynamics and huge soundstage aren't a characteristic of the room (although the room helps) but these speakers are just bad a**.

And in That same theater I owned, JBL 3677, 8340a, Pro10, Klipsch rf82, Rocket RS850s, Paradigms,and a few DIY. Nothing else came close in dynamics, midbass and just pure energetic sound. So I can say in their case it wasn't the room. As I said even outdoors they were just crazy.

In the end, it's all opinion hopefully based on having heard or better yet owned the speakers in question.

And I don't currently own them, my last theater wasn't designed for a false wall as it just wasn't long enough so I sadly sold them. I have 5 qsc 2150s waiting for the new theater, and if I hadn't gotten such an awesome deal on them new in box I would be getting more 3677s.

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post #8 of 18 Old 08-20-2014, 03:04 PM - Thread Starter
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Great suggestions and much appreciated. Size is an issue though and I think any design with a driver larger than 10" will be problematic. My farthest seat for the surrounds is probably about 6-7 feet(Edit: measured 8 ft.) so I think I'll be OK with a solid 8 or 10" design.

My goal is to find a design that is going to do justice to the M2's for multichannel music. The 8340a is probably not what I'm looking for as I understand it is designed with the x-curve baked in. OK in a straight HT/cinema application, but not what I'm looking for and the 3677 looks great but is simply too large for surround duty in my room.

That's why I was looking hard at the 6328p. I actually have SHO-10's in the surround positions now, and I'm pretty sure they'll be a step up.

JTR Noesis 212HT x 3 (LCR) powered by Lab Gruppen 10000Q amp
CHT SHO-10 x 4 (sides and rear) powered by Denon 4311
JTR S2 x 2
CHT 18.1 x2
Oppo BDP103D bluray player/Sonos/PS3

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post #9 of 18 Old 08-21-2014, 12:44 AM
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Harmon use 6332's in their reference rooms:

http://seanolive.blogspot.com.au/200...reference.html

and hence they must think they sound ok

These rooms were set up pre-M2's so I don't know if they'll now be replacing the 6332's with M2's

The 6328's measure a little better than the 6332's but the 6332's are able to achieve higher SPL's with less distortion.

On a personal note, I have a smallish room and was planning to get 4 6328's as part of a 4.1 system. The only thing holding me back is I'm hoping JBL updates the 6328's using the knowledge they've gained from creating the M2's.
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post #10 of 18 Old 08-21-2014, 09:48 AM
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Here's a package (an $84K Home theater in a box ) which is based on the M2 as mains.

http://www.newaudiovideo.com/index.p...4d7b4a3213c47b

Looks like they use the S4Ai as surrounds.
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post #11 of 18 Old 08-21-2014, 12:27 PM
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I would go with some 6332 for surrounds. They stand a much better chance of keeping up with M2s than the 6328s. The 6328s may work fine though, if you don't intend to drive the system real loud.
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post #12 of 18 Old 08-21-2014, 12:50 PM
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^ Yeah that was kind of my point. Although I dont really see much value in the 6328p over the lsr308 if one wants an active 2 way monitor. They both have basically the same max output, and im not sure the 6328 really measures that much better either.
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post #13 of 18 Old 08-21-2014, 02:17 PM
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^ Yeah that was kind of my point. Although I dont really see much value in the 6328p over the lsr308 if one wants an active 2 way monitor. They both have basically the same max output, and im not sure the 6328 really measures that much better either.
Why do you think they have the same output? The woofers and tweeters may share the same basic spec (8" woofer and 1" tweeter) but I would expect their capabilities to be different. My guess is the 6328 drivers are superior in power handling and output capabilities, and the cabinet construction should be significantly better as well. Note the 6328 has a much beefier amp too.
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post #14 of 18 Old 08-21-2014, 02:40 PM - Thread Starter
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I would go with some 6332 for surrounds. They stand a much better chance of keeping up with M2s than the 6328s. The 6328s may work fine though, if you don't intend to drive the system real loud.
Yea, the output thing has me a bit concerned. They need to hit reference at the listening position cleanly at a max of 7 ft.(Edit: measured 8 ft.) But the 6332 is just a bit too big for surround duty in my space. I haven't ruled out the possibility of just plopping some JTR single 8's in the surround positions either. I know for a fact that they have the output. I really want to find something that can just get close to the clarity and resolution of the M2's, but I'm not sure I'm willing to sacrifice a lot of output to make that happen. Even in multichannel music I find the vast majority of attention and contribution to SQ comes from the LCR, so I don't want to get lost in the weeds.

But the other thing that I wouldn't expect you guys to pick up on is that the 6328P is capable of taking EQ from the same BSS processor that the M2 uses. So by going with the active 6328P, versus the other options, I get the capability to EQ the complete system via the BSS processor. That's a fairly big deal, but by all means not the critical or the deciding factor. But it is something that keeps pushing me to the 6328P.

What I really want is a 10" version of the 6328P with the same EQ capability. I'm not sure that exists, but there are so many JBL models it makes your head spin. Too many, really.

JTR Noesis 212HT x 3 (LCR) powered by Lab Gruppen 10000Q amp
CHT SHO-10 x 4 (sides and rear) powered by Denon 4311
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Oppo BDP103D bluray player/Sonos/PS3

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post #15 of 18 Old 08-21-2014, 05:29 PM
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Why do you think they have the same output?
Just per the "Max Peak SPL" specification on JBL pro's pages for the LSR308 and LSR6328p.

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post #16 of 18 Old 08-21-2014, 06:00 PM
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But the other thing that I wouldn't expect you guys to pick up on is that the 6328P is capable of taking EQ from the same BSS processor that the M2 uses.***
Nobody's mentioned it because it's a stupid marketing line. Anything with an line-level input can be EQ'ed by the same processor. If they don't have presets for it, who cares? Any calibration worth its salt will be based on in-situ measurements anyway.

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What I really want is a 10" version of the 6328P with the same EQ capability. I'm not sure that exists, but there are so many JBL models it makes your head spin. Too many, really.
Consider that the 8" woofer's Differential Drive motor has more steel in it than most 10s. Dynamic compression won't be an issue for the surrounds.

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post #17 of 18 Old 08-21-2014, 06:59 PM - Thread Starter
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Nobody's mentioned it because it's a stupid marketing line. Anything with an line-level input can be EQ'ed by the same processor. If they don't have presets for it, who cares? Any calibration worth its salt will be based on in-situ measurements anyway.
Yea, your right. But it clearly works . One of the sales reps fed me that BS and I'm just starting to get it all straight in my head as I learn more about the BSS processor. I was confusing the RMC onboard EQ capability with the BSS EQ.


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Consider that the 8" woofer's Differential Drive motor has more steel in it than most 10s. Dynamic compression won't be an issue for the surrounds.
That's what I'm hoping. I've got about 8 ft. from the surround to the farthest LP. I know what an 8" driver is capable in output from my experience with the JTR Single 8. If it can come close to that output then it won't be an issue.

JTR Noesis 212HT x 3 (LCR) powered by Lab Gruppen 10000Q amp
CHT SHO-10 x 4 (sides and rear) powered by Denon 4311
JTR S2 x 2
CHT 18.1 x2
Oppo BDP103D bluray player/Sonos/PS3
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post #18 of 18 Old 08-21-2014, 08:27 PM
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I've got about 8 ft. from the surround to the farthest LP. I know what an 8" driver is capable in output from my experience with the JTR Single 8. If it can come close to that output then it won't be an issue.
I would guess it doesn't quite get that loud. It is made for deeper extension, and that will diminish its sensitivity. No doubt it will get loud though.
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