The OFFICIAL JBL Owners Thread - Page 521 - AVS Forum
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post #15601 of 15622 Old 12-13-2014, 05:38 PM
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Originally Posted by husq2100 View Post
thanks Gooddoc,

a stupid question maybe, but can these be run as "normal" speakers, from a simple amp?
I'm pretty sure they are normal speakers. They're 2-way passive designs and will work with any suitable amp I'm quite sure. They're being marketed as a "system" but that's what it is, marketing.
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post #15602 of 15622 Old 12-13-2014, 10:20 PM
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Looking into buying JTR 212HT for LCR

Now I'm trying to solve my surround choice, rear, side and I'm also wanting to do Atmos (2 x Front heights, 2 x rear heights)


Can someone please recommend a JBL Pro speaker for surrounds that will keep up with the JTRs?

thanks!
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post #15603 of 15622 Old 12-14-2014, 01:03 AM
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Quote:
Originally Posted by Gooddoc View Post
I'm pretty sure they are normal speakers. They're 2-way passive designs and will work with any suitable amp I'm quite sure. They're being marketed as a "system" but that's what it is, marketing.
thanks again,

I wonder what the power requirements are??
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post #15604 of 15622 Old 12-14-2014, 07:46 AM
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Originally Posted by point1 View Post
Looking into buying JTR 212HT for LCR

Now I'm trying to solve my surround choice, rear, side and I'm also wanting to do Atmos (2 x Front heights, 2 x rear heights)


Can someone please recommend a JBL Pro speaker for surrounds that will keep up with the JTRs?

thanks!
8340a is a popular choice
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post #15605 of 15622 Old 12-14-2014, 07:48 AM
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Originally Posted by husq2100 View Post
thanks again,

I wonder what the power requirements are??
The recommended amp, DCi 8|300, is 300 watts, so it's not crazy power
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post #15606 of 15622 Old 12-24-2014, 06:39 PM
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Merry Christmas to all you JBL users. Hope you all get M2's in your stockings tonight!

Wishing I could post in the Ultra Hi-End HT Gear ($20,000+)

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post #15607 of 15622 Old 12-24-2014, 09:21 PM
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Merry Christmas to all you JBL users. Hope you all get M2's in your stockings tonight!
Hahaha! Thank you and Merry Christmas to you!

I did get M2's for Christmas actually!! I had one of the amps out for repair and got it back on the 22nd. I am listening again(after a 3 week dry spell) as I type and I'm stuck in my chair when I should be wrapping, lol!!

M2's are truth man, make no doubt about it. Not everyone will like them, of course, but those people are confused....haha!! (j/k )

I had my old SHO-10's as mains for those 3 weeks and never once had the urge to sit and listen to music. I think I'm auditorily spoiled.

Last edited by Gooddoc; 12-25-2014 at 01:44 AM.
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post #15608 of 15622 Old Yesterday, 08:13 PM
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Jbl l890

I have a pair of JBL L890 that I bought in 2008. To my surprise one day a couple years ago I removed the grill and basically all the the drivers were completely crumpled (blown?). I went ahead and order replacement; within a short time the drivers were all crumpled again. I recently started looking in the internet about problems with these speakers, it seems that it is a very common malady with JBL these days (what a shame). I do not know if it is the main board located inside the cabinet, or the drivers themselves.

Now, the quandary in which I find myself is: do I sent them to be repair? or just forget about it, and get better quality speakers, since the replacement electronic components that drive these speakers might be just as bad quality as the ones in mine.
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post #15609 of 15622 Old Yesterday, 09:15 PM
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Quote:
Originally Posted by xilua View Post
I have a pair of JBL L890 that I bought in 2008. To my surprise one day a couple years ago I removed the grill and basically all the the drivers were completely crumpled (blown?). I went ahead and order replacement; within a short time the drivers were all crumpled again. I recently started looking in the internet about problems with these speakers, it seems that it is a very common malady with JBL these days (what a shame). I do not know if it is the main board located inside the cabinet, or the drivers themselves.

Now, the quandary in which I find myself is: do I sent them to be repair? or just forget about it, and get better quality speakers, since the replacement electronic components that drive these speakers might be just as bad quality as the ones in mine.
You're pretty much all wet there. Not exactly sure what you're on about, but if its caved in dust caps, (the little dome in the center of the speaker), this is by no means "normal" and is only caused by pets and little people pushing them in. The only reason it would be considered a "common malady" is that you do see it sometimes in used speakers for sale.

So if you want to know what's causing it, look around the house for the culprit. The "main board" is called a crossover, and has no relationship to caved in cones.
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post #15610 of 15622 Old Yesterday, 10:26 PM
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Originally Posted by rdgrimes View Post
You're pretty much all wet there. Not exactly sure what you're on about, but if its caved in dust caps, (the little dome in the center of the speaker), this is by no means "normal" and is only caused by pets and little people pushing them in. The only reason it would be considered a "common malady" is that you do see it sometimes in used speakers for sale.

So if you want to know what's causing it, look around the house for the culprit. The "main board" is called a crossover, and has no relationship to caved in cones.
Thanks for your input, but there are no pets or little people, adults only. just all transducers domes being crumpled after being replaced with new ones again.
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post #15611 of 15622 Old Today, 03:36 AM
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Thanks for your input, but there are no pets or little people, adults only. just all transducers domes being crumpled after being replaced with new ones again.
Please post a picture of this.
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post #15612 of 15622 Old Today, 04:24 AM
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Quote:
Originally Posted by xilua View Post
Thanks for your input, but there are no pets or little people, adults only. just all transducers domes being crumpled after being replaced with new ones again.
I bought a pair of L890s back in '06, still working perfectly. The domes can not get pushed in, unless someone did either on purpose, by accident, or the speakers took a bumpy ride, and not properly protected.

Custom, one of a kind pair, MJC212 mains, mod PT800 center, PT800 surrounds, SUB1500s. Parasound P7, Citation 19, Parasound HCA2205A, HK AVR3600, Marantz TT, Denon disc player, MacBook Pro w/ DragonFly usbDAC.
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post #15613 of 15622 Old Today, 07:40 AM
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Originally Posted by xilua View Post
Thanks for your input, but there are no pets or little people, adults only. just all transducers domes being crumpled after being replaced with new ones again.
Nevertheless someone has done that for you, it doesn't just spontaneously happen.
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post #15614 of 15622 Old Today, 07:52 AM
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Thinking of picking up some 3677 for my LR speakers and maybe a center. Never heard them and have no idea where I could audition them. Anyone who has heard them. What would you compare them to? Currently I am running klipsch Reference series rc-64II and rf-82II for LRC. They are higher sensitivity than the 3677 and my center has a 1.75" compression driver 100db or so.
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post #15615 of 15622 Old Today, 10:09 AM
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Jbl l890

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Originally Posted by rdgrimes View Post
Nevertheless someone has done that for you, it doesn't just spontaneously happen.
To all: well.. what can I say. I called JBL Tech. Services this morning, and they pretty much said the same thing (no technically possible, somebody must had done it). On that note I confronted my young (adult??) children again because, I previously have asked them about the probability of any of them (two daughters) accidentally damaging the transducers; to which they denied any involvement in damaging the speakers.

This morning I asked again; telling them that I have put my reputation on line by making statements that could not be true, to please, to tell me if they ever did it; guess what: they confessed as the ones damaging the speakers while cleaning. I now feel so embarrassed. Thanks all for your input.
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post #15616 of 15622 Old Today, 10:53 AM
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Originally Posted by xilua View Post
To all: well.. what can I say. I called JBL Tech. Services this morning, and they pretty much said the same thing (no technically possible, somebody must had done it). On that note I confronted my young (adult??) children again because, I previously have asked them about the probability of any of them (two daughters) accidentally damaging the transducers; to which they denied any involvement in damaging the speakers.

This morning I asked again; telling them that I have put my reputation on line by making statements that could not be true, to please, to tell me if they ever did it; guess what: they confessed as the ones damaging the speakers while cleaning. I now feel so embarrassed. Thanks all for your input.
Glad that got sorted out.
To address your original question: they should still be fully functional, as long as the cones are not punctured. Some folks have success in pulling those back out by using a bit of tape to pull them out. It depends on how badly crinkled they are, and it takes some finesse. The mid and woofer are easiest to deal with, the titanium tweeter not so much.
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post #15617 of 15622 Old Today, 11:38 AM
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JBL nightlife series vs polk audio t70

can someone recommend the jbl nightlife series? they're on sale right now for 900$ canadian. it includes the tower speakers (pair), centre speaker, and subwoofer and I'm pairing it with the yamaha rxv577. Im a newbie and its my first surround system and I'm comparing it with the polk home theatre system that includes polk monitor75, polk 12" 300watt subwoofer, and polk tai cs10 centre speaker using the same receiver. thanks in advance
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post #15618 of 15622 Old Today, 11:51 AM
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can someone recommend the jbl nightlife series? they're on sale right now for 900$ canadian. it includes the tower speakers (pair), centre speaker, and subwoofer and I'm pairing it with the yamaha rxv577. Im a newbie and its my first surround system and I'm comparing it with the polk home theatre system that includes polk monitor75, polk 12" 300watt subwoofer, and polk tai cs10 centre speaker using the same receiver. thanks in advance
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post #15619 of 15622 Old Today, 02:51 PM
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Originally Posted by rdgrimes View Post
Glad that got sorted out.
To address your original question: they should still be fully functional, as long as the cones are not punctured. Some folks have success in pulling those back out by using a bit of tape to pull them out. It depends on how badly crinkled they are, and it takes some finesse. The mid and woofer are easiest to deal with, the titanium tweeter not so much.
Yes, they are fully functional. That was the part that had me confused; that they were still working.
I thought that those cone caps were an integral part of the speakers, but they still were sounding the same. Thanks for the tape idea I will try it. If it does not work I will order more transducers to replaced them all, since I need to also please my wife, whom is not so happy at the speakers looking like that; she prefers them uncovered (they beautifully match all the living room furniture).
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post #15620 of 15622 Old Today, 03:17 PM
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@ rdgrimes: Oh my god!!! it works. The tape idea did the trick. I was able to pull back the cone dust caps to their original shape. Thanks a lot!!!!!
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post #15621 of 15622 Old Today, 03:18 PM
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Quote:
Originally Posted by xilua View Post
Yes, they are fully functional. That was the part that had me confused; that they were still working.
I thought that those cone caps were an integral part of the speakers, but they still were sounding the same. Thanks for the tape idea I will try it. If it does not work I will order more transducers to replaced them all, since I need to also please my wife, whom is not so happy at the speakers looking like that; she prefers them uncovered (they beautifully match all the living room furniture).
I have to like a woman who wants to see them naked.

That "dome shaped thing" is actually nothing more than a cosmetic throwback to the days when an actual "dust cap" was applied over the driver's voice coil. Those of us who deal with vintage drivers are well acquainted with them. Now days the cone/voice coil assembly is a single unit. You'll see a variety of newer drivers with inverse dome cones, such as this titanium model:
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post #15622 of 15622 Old Today, 05:59 PM
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I have to like a woman who wants to see them naked.

That "dome shaped thing" is actually nothing more than a cosmetic throwback to the days when an actual "dust cap" was applied over the driver's voice coil. Those of us who deal with vintage drivers are well acquainted with them. Now days the cone/voice coil assembly is a single unit. You'll see a variety of newer drivers with inverse dome cones, such as this titanium model:
A photo just doesn't do those justice.
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