The OFFICIAL JBL Owners Thread - Page 517 - AVS Forum
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post #15481 of 15495 Old 10-21-2014, 04:42 PM
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I have a question about timbre matching JBL speakers. Currently, I have S312IIs and a S Center II up front with S36IIs for sides and rears. All of these speakers are from the same line and matched. If I upgraded to the performance series PC600 Center, would the timbre still match? Reading the specs of the speakers, they seems to use a lot of key words in them that make me think they would blend ok with each other. let me know if you guys have heard the difference between the old Studio line and the Performance line and if you think it would work.




PC600 description:
This 3-way, dual 6-inch center speaker reproduces sound with incredible power, while preserving the clarity and detail of the original recording.

Pure-titanium, high-frequency-transducer domes with neodymium magnet structures are ultralight to accurately reproduce lightning-fast sounds like cymbal crashes, yet extremely rigid to eliminate distortion and ear fatigue in the transition between the midrange and high-frequency bands.

Elliptical Oblate Spheroidalâ„¢ (EOS) waveguides were first developed for our JBL Professional LSR studio monitors. They enable Performance Series speakers to evenly disperse high frequencies and create precise stereo imaging over a wide listening area.

Pure-titanium, inverted dome midrange transducers seamlessly blend with the titanium dome tweeters by offering nearly perfect pistonic motion that eliminates uncontrollable flexing found in conventional cones. The inverted dome is driven precisely at its center, which cancels resonances inherent in cone materials. The result is ruler-flat frequency response well beyond the crossover point.

Titanium-alloy, inverted dome low-frequency transducers deliver precise, undistorted bass reproduction that matches the titanium tweeters and midranges. The powerful neodymium magnet provides its own video-shielding, allowing flexible placement, even near video monitors. Cast-aluminum frames remain rigid even at the highest volumes, avoiding distortion found in some other speaker designs. And aluminum doesn't affect the magnetic flux, so that driver movement is precise and unmuddied.


S Center II description:
The amazing 3-way S-Center ii brings dialogue and sound effects to life with outstanding clarity and realism, thanks to pro-style JBL technology! A 1" titanium tweeter and 4" PolyPlas midrange are mounted on an LFP (Linear Field Proximity) bezel for precise localization — on-screen sounds are firmly anchored in place. Two 5-1/2" PolyPlas woofers and rear-firing ports provide ample sonic depth. The molded poly cabinet, with graceful curves and dark gray finish, looks right at home on top of your TV
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post #15482 of 15495 Old 10-21-2014, 05:30 PM
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A quick poll..
Do Studio L owners toe in their speakers, or leave them straight firing?
I've read different views on this....
Is there a definite right or wrong way for placement.
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post #15483 of 15495 Old 10-21-2014, 06:30 PM
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Originally Posted by JESSIE DART View Post
A quick poll..
Do Studio L owners toe in their speakers, or leave them straight firing?
I've read different views on this....
Is there a definite right or wrong way for placement.
It's pretty dependent on each and every setup. There is no right or wrong answer. Some speakers respond better to some toe in more than others, but it's still a setup related thing.

There are some speakers that are specifically meant to fire straight ahead, my DCM Time Windows come to mind, but most speakers aren't that way.

Last edited by 89grand; 10-21-2014 at 08:21 PM. Reason: spelling
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post #15484 of 15495 Old 10-21-2014, 07:47 PM
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Quote:
Originally Posted by NismoZ View Post
I have a question about timbre matching JBL speakers. Currently, I have S312IIs and a S Center II up front with S36IIs for sides and rears. All of these speakers are from the same line and matched. If I upgraded to the performance series PC600 Center, would the timbre still match? Reading the specs of the speakers, they seems to use a lot of key words in them that make me think they would blend ok with each other. let me know if you guys have heard the difference between the old Studio line and the Performance line and if you think it would work.
The PC600 is a formidable speaker, center or otherwise. But I'd suggest that you leave well enough alone since you already have a good match.
I'd add that if you get one PS speaker, you'll be hard pressed to think about anything else but getting more. I can't think of a really good match for your S312 other than the S-Center, but if pressed you might look into an LC2. The S-Center has a bit of a "plastic box" sound to it, which you might avoid with the LC2 or even an EC35.
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post #15485 of 15495 Old Yesterday, 08:53 AM
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@Gooddoc

Do you know if it is absolutely necessary to buy the Crown or Mark Levinson amps with the M2s? My question really is, is the DSP used for the active crossover only? Or are there filters included that flatten the anechoic response?

If it's the former there's no reason why one couldn't just use a minidsp to do the crossover and use whatever amp is desired. If it's the latter it's probably worth buying the amps since JBL has access to the full anechoic measurements.

Theater room: Sony VPL HW30ES, DIY 100" screen with Seymour Centerstage XD, 5 Revel M105, 2 JBL Studio 210, 4 SVS SB12-NSD, Anthem MRX-300
Living room: Panasonic TC-P60VT60, 3 KEF LS50, Pioneer SW-8, Marantz NR1603
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post #15486 of 15495 Old Yesterday, 09:33 AM
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Originally Posted by SyntheticShrimp View Post
@Gooddoc

Do you know if it is absolutely necessary to buy the Crown or Mark Levinson amps with the M2s? My question really is, is the DSP used for the active crossover only? Or are there filters included that flatten the anechoic response?

If it's the former there's no reason why one couldn't just use a minidsp to do the crossover and use whatever amp is desired. If it's the latter it's probably worth buying the amps since JBL has access to the full anechoic measurements.
It's more than just crossovers. There are other filters in there.

But you don't need to buy any special amps, so long as they deliver sufficient power. But you do need the BSS processor at a minimum, it's just convenient that it's built into the Crown amps.

But I may be sending the Crowns back and getting a BSS processor and just use my LG10000Q amp to drive the M2's. I've got some hiss in the CD with the Crowns and I'm not liking that I have to reduce input voltage and gains to reduce it to acceptable levels. Input clipping is a concern at high volumes. But I'm waiting on my new prepro and I'll see how high the output on that can be driven before making a decision.

I've been told by JBL that the Crown amps are the most transparent with the active crossovers and filters, so I don't want to ditch them unless I have to.
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post #15487 of 15495 Old Yesterday, 07:58 PM
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Thanks. So many setup options to consider.

Theater room: Sony VPL HW30ES, DIY 100" screen with Seymour Centerstage XD, 5 Revel M105, 2 JBL Studio 210, 4 SVS SB12-NSD, Anthem MRX-300
Living room: Panasonic TC-P60VT60, 3 KEF LS50, Pioneer SW-8, Marantz NR1603
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post #15488 of 15495 Old Today, 04:00 AM
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Originally Posted by SyntheticShrimp View Post
Thanks. So many setup options to consider.
Are you considering the M2's for purchase?
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post #15489 of 15495 Old Today, 06:22 AM
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Yeah I'm gonna get them. Just rustling up the money now.
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post #15490 of 15495 Old Today, 06:51 AM
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Yeah I'm gonna get them. Just rustling up the money now.
Have you heard them yet, or is this a blind purchase?
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post #15491 of 15495 Old Today, 07:07 AM
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Have you heard them yet, or is this a blind purchase?
Blind, but I've heard enough wide dispersion, constant directivity speakers to know that's the sound I'm after. I just need the output to back it up.
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post #15492 of 15495 Old Today, 08:41 AM
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Blind, but I've heard enough wide dispersion, constant directivity speakers to know that's the sound I'm after. I just need the output to back it up.
Wow, you're bold man! I like that . But don't you think you should listen first . They are, after all, just step above "budget" speakers from a cost perspective, hehe. If you're anywhere close to New Jersey, you're welcome to audition them at my place. But if not, I'm sure there's other places near you that have them for audition, no?
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post #15493 of 15495 Old Today, 09:18 AM
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Wow, you're bold man! I like that . But don't you think you should listen first . They are, after all, just step above "budget" speakers from a cost perspective, hehe. If you're anywhere close to New Jersey, you're welcome to audition them at my place. But if not, I'm sure there's other places near you that have them for audition, no?
Not that I'm aware of. I'm in Tennessee. Thanks for the offer.

I'm a little tempted to wait for more information on the LSR708i before I make the decision. If they perform at all close to the M2s (which I doubt) then 11 of them for a 7.1.4 might be indicated.

Theater room: Sony VPL HW30ES, DIY 100" screen with Seymour Centerstage XD, 5 Revel M105, 2 JBL Studio 210, 4 SVS SB12-NSD, Anthem MRX-300
Living room: Panasonic TC-P60VT60, 3 KEF LS50, Pioneer SW-8, Marantz NR1603
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post #15494 of 15495 Old Today, 09:50 AM
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Not that I'm aware of. I'm in Tennessee. Thanks for the offer.

I'm a little tempted to wait for more information on the LSR708i before I make the decision. If they perform at all close to the M2s (which I doubt) then 11 of them for a 7.1.4 might be indicated.
SQ at lower volumes will, I hope, be incredibly close. I am getting the 700's for surrounds to complement my M2's. But the 700's are not full range which puts them in another class of speaker right off the bat as to performance. The will fall away from the M2's quickly as volume is raised. So yea, nice for surrounds, but designed for an entirely different purpose than the M2's.

You couldn't pay me to take the M2's out of my room .
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post #15495 of 15495 Old Today, 11:22 AM
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I would never run my system without multiple subwoofers, so a speaker's low bass response is about as important to me as my TV's infrared response.

It's interesting that they aren't including sensitivity in the specs for the 7 series. Maybe that will change as they get closer to release. Or maybe we will have to ask them for it along with the frequency response plots.

Theater room: Sony VPL HW30ES, DIY 100" screen with Seymour Centerstage XD, 5 Revel M105, 2 JBL Studio 210, 4 SVS SB12-NSD, Anthem MRX-300
Living room: Panasonic TC-P60VT60, 3 KEF LS50, Pioneer SW-8, Marantz NR1603
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