JBL 'M2' Master Reference Monitor - Page 2 - AVS Forum | Home Theater Discussions And Reviews
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post #31 of 3307 Old 02-28-2013, 12:18 AM
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what do you mean, summas with coax? the best thing on summas is the geddes' oswg and you replaced it with problematic, modestly said, coax? eek.gif there are enough disadvantages which are not worth the one advantage of concentricity, imho.
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post #32 of 3307 Old 03-06-2013, 03:00 PM
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The speakers look interesting. I have a couple of questions though.

First, isn't a compression driver that delivers good sound down to 800 Hz kind of rare? My second question would be: Horns tend to be the most efficient type of driver (to my knowledge), so why would one speaker need a 1,000 watts of power?

Perhaps the last question could be explained if the use was for a large listening environment. Just for a 5.1 system, you would be using 5,000 watts (RMS?).

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post #33 of 3307 Old 09-02-2013, 04:42 AM
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JBL has introduced the M2 speaker in their Synthesis product line. Did anyone hear their demo at CEDIA, Denver? I am very interested in how they perform!

Home Theater: JBL M2 & SUB18 powered by Crown and BSS.
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post #34 of 3307 Old 09-06-2013, 03:57 PM
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Wanted to resurrect this thread... anyone hear these yet? They still seem like an interesting speaker. JBL markets these as a full range studio monitor but I'm sure they would work well in a high end home theater.
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post #35 of 3307 Old 09-07-2013, 12:02 AM
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Quote:
Originally Posted by adidino View Post

Wanted to resurrect this thread... anyone hear these yet? They still seem like an interesting speaker. JBL markets these as a full range studio monitor but I'm sure they would work well in a high end home theater.

Did you see my post above? They market them for home theater as well in their synthesis series.

Home Theater: JBL M2 & SUB18 powered by Crown and BSS.
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post #36 of 3307 Old 09-07-2013, 04:30 AM
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Quote:
Originally Posted by JonasHansen View Post

Did you see my post above? They market them for home theater as well in their synthesis series.

Didn't notice that. They don't list them on the JBL Synthesis website though. Just their pro site.

Anyone hear them?
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post #37 of 3307 Old 09-07-2013, 05:47 AM
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They announnced it on their Facebook page. Im very interessed as well in hearing about how they sound.

Home Theater: JBL M2 & SUB18 powered by Crown and BSS.
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post #38 of 3307 Old 09-07-2013, 06:26 AM
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I see that. Gotta say, $6k each doesn't sound bad. Trying to find a local demo somewhere....
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post #39 of 3307 Old 09-09-2013, 03:23 AM
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Yeah, the price is very attractive (even though they are not cheap, they are not in the K2/Everest price range at all). But you have to account for some DSP gear to drive them.

Home Theater: JBL M2 & SUB18 powered by Crown and BSS.
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post #40 of 3307 Old 09-09-2013, 12:30 PM
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Quote:
Originally Posted by JonasHansen View Post

Yeah, the price is very attractive (even though they are not cheap, they are not in the K2/Everest price range at all). But you have to account for some DSP gear to drive them.

I don't think those DSP amps are required (just need to push the right dealer). Especially considering they are starting to offer these as part of JBL Synthesis line with Levison amps which is has no DSP technology.
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post #41 of 3307 Old 09-09-2013, 12:34 PM
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Quote:
Originally Posted by adidino View Post

I don't think those DSP amps are required (just need to push the right dealer). Especially considering they are starting to offer these as part of JBL Synthesis line with Levison amps which is has no DSP technology.

No the I-Tech amps are not a requirement, but the speakers does not have an internal passive crossover, so some kind of DSP is indeed needed. The BSS Soundweb London DSP's are recommended for the pro market and these units are the same as the SDEC4500 DSP in the Synthesis line. I guess you could use a cheaper MiniDSP unit if you know the crossover/eq presets for the speakers.

Home Theater: JBL M2 & SUB18 powered by Crown and BSS.
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post #42 of 3307 Old 09-13-2013, 05:12 PM
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According to JBL, the M2 will be setup in a full synthesis demo theater at Cedia this year. If anyone is going to Cedia, I would appreciate some feedback.
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post #43 of 3307 Old 09-14-2013, 04:59 AM - Thread Starter
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Quote:
Originally Posted by adidino View Post

According to JBL, the M2 will be setup in a full synthesis demo theater at Cedia this year. If anyone if going to Cedia, I would appreciate some feedback.

It's on my to-do list.

Mark Henninger, Senior Editor at AVS Forum
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post #44 of 3307 Old 09-14-2013, 09:11 AM
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Mine too.
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post #45 of 3307 Old 09-14-2013, 11:06 AM
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Quote:
Originally Posted by adidino View Post

$6k each doesn't sound bad.
That's the first part. Since it doesn't have a crossover, JBL recommends using a SDEC DSP unit or the DSP built into the Crown i-Tech 5000HD amp. Google the price of those and add it to each speaker, and you're around $10-12K total cost per speaker.

Sanjay
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post #46 of 3307 Old 09-23-2013, 12:44 AM
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I like b&w more than JBL.
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post #47 of 3307 Old 09-23-2013, 05:52 AM
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Quote:
Originally Posted by hothifi View Post

I like b&w more than JBL.

Thank you for your valued input.
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post #48 of 3307 Old 09-28-2013, 03:49 PM
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So did anyone hear these babies at Cedia?
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post #49 of 3307 Old 09-28-2013, 10:55 PM
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Quote:
Originally Posted by adidino View Post

So did anyone hear these babies at Cedia?


I'm considering these for the HT and might hear them soon. If I do I'll let you know how the audition goes.
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post #50 of 3307 Old 09-29-2013, 02:21 AM
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post #51 of 3307 Old 09-29-2013, 12:21 PM
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Very cool wide dispersion tweeter... Are they going to make a more compact design for surrounds, etc?

Goodbye to a great audio and video genius and writer... JOHN GANNON. I enjoyed your friendship, wit and a nice long run we took around Indianapolis at CEDIA years back... and for buying my Runco 980 Ultra years back... you saved my ass! Rest in peace.
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post #52 of 3307 Old 10-03-2013, 03:03 PM
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I am very curious about these speakers. they are by far out of my price range but the horn is very unique and interesting.

Trying to enjoy the simple things in life.

 

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post #53 of 3307 Old 10-07-2013, 04:38 PM
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Good luck finding a local demo. where is the factory?

"This one goes to eleven." Martin Logan Descent-i subwoofer
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post #54 of 3307 Old 10-07-2013, 06:37 PM
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Frank Filipetti (engineer and producer) on the M2's:

http://www.nxtbook.com/nxtbooks/newbay/mix_201308/index.php?startid=58

Pretty cool article. Here is a quote:

"The M2 with the D2 driver and this new waveguide sounds smoother and sweeter to me than even the best soft-dome tweeters."

Many more comments in the article.



What is also interesting is that the new JBL LSR305 and LSR308 studio monitors (these are sub-$300 each) also have the same waveguide as the M2's. Hopefully even more speakers will be updated with technology from the M2's. Personally I have a smaller sized room and would love if they updated the LSR6328P's smile.gif
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post #55 of 3307 Old 10-08-2013, 09:34 AM
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Thanks for the link, interesting read.

His description reminds me of how Tom Danley describes his synergy horns.
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Originally Posted by Zzzzz... View Post

What is also interesting is that the new JBL LSR305 and LSR308 studio monitors (these are sub-$300 each) also have the same waveguide as the M2's.

They're much smaller; those are only 5" woofers.
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post #56 of 3307 Old 10-08-2013, 01:12 PM
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Quote:
Originally Posted by majestik6 View Post

Reminds me of my Gedlee Summas, except with a coaxial compression driver instead of the B&C that's used by Geddes. USSpeaker sells the BMS compression driver, so DIYers might give this a try.

Obviously the coax is a pricey upgrade, and some might argue that the cost is not worth it. But I'd love to hear the difference. I *personally* prefer the upper treble of the small compression drivers to the big ones, and I think diaphragm size plays a big part. (In other words, if you're using a xover point of 2khz or higher, I prefer the sound of a BMS 4540ND or a Celestion CDX1-1425 over anything with a large diaphragm, such as the B&C. BUT if you need a low xover point, like the Summa uses, the small compression drivers won't work; they're too small.)
Sorry majestik6, I previously misunderstood your post. Do you have some measured response graphs? The BMS drivers are quite interesting, but on other forums they complained aboud distortion in the upper end (to be seen in the BMS driver's datasheet too).
So in your summas, you have customized version of the OSWG with a wider 1.4" or 2" throat?
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post #57 of 3307 Old 10-08-2013, 02:38 PM
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Quote:
Originally Posted by noah katz View Post

They're much smaller; those are only 5" woofers.
There is one more model in that line, but with an 8" woofer (the waveguides on both models match the size of the woofer). Since they are both powered monitors, the amps are built in. The prices ($149 and $249, respectively) are surprisingly low. Three LSR308 speakers would make for a nice front soundstage, without breaking the bank.

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post #58 of 3307 Old 10-09-2013, 09:46 AM
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Hmm, they're arguably missing the size/cost/performance sweet spot, which would be a 12" version.
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post #59 of 3307 Old 10-09-2013, 10:41 AM
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Noah, I think they found a market that no one else has. What other company has a Midfield Monitor, Crossover and Amplifier package for ~$20,000?

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post #60 of 3307 Old 10-09-2013, 11:13 AM
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I picked up the 305 a couple of weeks ago for my office to use as a desktop speaker. Connected them to my MYTEK DSD dac. They sound great.
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