Question about JBL 5.1-Channel Home Theater Speaker System with 150W Subwoofer

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JBL scs260.5 woofer cuts out intermittently

Hi all, connected to a pioneer amp, works a treat from all sources but 1 week before warranty started cutting out.. only the woofer. seems to cut out then slowly fade back in over like 10 seconds till fully functional again.. does this say every 30mins to 1 hour.. loud or soft sound..
even with no sound (ie no source feeding the amp but the amp on..) you can hear the woofer go thud as if it's had a glitch and is cutting out..
put it in during wty but bloke said it didn't play-up for him.. said he re-soldered all joints and removed some glue from the board that was known to leak current over time? seemed ok for a couple of months and now is back to it's old tricks.
any ideas?
thanks
AJ

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Posted on Jan 02, 2017

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djicenova
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SOURCE: dead JBL EON 15P-1

bad power board. short on board

Posted on Feb 27, 2009

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SOURCE: My JBL EON cuts out from time to time (usually

hi there... i have same problem and i believe the main amp (part 339555-001 EON 15 G2) have to be replaced. jbl prosound sell it for $112.80 and you need to do the job yourself, which is not too big deal but not too easy either.
i did not start yet.
please post later if you did it. thanks.good luck. joel.

Posted on Mar 04, 2010

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have you tryed using te hopticle cables

Posted on Jan 19, 2011

idrvnsx2
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SOURCE: Jbl sub woofer

Has nothing to do with the signal or source - it is a failure of the turn on circuit - I repair this amp - can help if you find my add here or I am located on ebay as well. Juust do a search for We Repair JBL and find the model :)

Posted on Oct 23, 2011

  • 867 Answers

SOURCE: JBL speaker's woofer occasionally cuts out - tweeter still works.

Your driver has a damaged voice coil, you can either find a speaker repairer to replace the voice coil or find a replacement driver to fit.

Posted on Mar 07, 2012

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1 Answer

JBL speaker's woofer occasionally cuts out - tweeter still works.


Your driver has a damaged voice coil, you can either find a speaker repairer to replace the voice coil or find a replacement driver to fit.

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Hi,

I don't think that there's anything wrong with the amp.
I'll think you're using a x-over, connected to the low-output.

Just a shot,
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Some weeks ago the sub stopped working. Thought dog had chewed the coaxial driver cable, but not shorted (now). Tried another sub w/o success.


Hi, I went to the Denon website and they have no documentation there for your receiver.
But do not frown, I have some good suggestions for you.
0 Don't beat the dog. After all, it's their job to chew things.
1 Get a new, un-chewed cable and see what happens between the sub output and the sub woofer. If it works, your in business. If it does not work. Don't be discouraged . Go to step #2
2 If the sub output on the Denon has failed, and everything else is good. There is another way to use your sub.
Install a patch system using the Headphone output from the front of the Denon. It may seem odd, but it works exceptionally well for the following reasons. It works on all signal sources. So if you are not playing a home theater source, you still have the use of your sub.
You will need the following adapters.
1 A Male stereo phone jack to female mini-phone jack. (Something that would accept typical small headphone sets such as those on an iphone).
2 A stereo "Y" connector that that has a single stereo male mini-phone jack that has two "RCA" female jacks.
3 A simple RCA male to male stereo cable pair as is commonly used to connect CD players, etc. i.e. separate red and white RCA connectors at both ends.
1 and 2 above may be available as a single unit combined with each other.
Take these adapters and connect the Item 1 into the Receiver, Item 2 plugged into Item 1, Item 3 plugged into Item 2 and finally the other end of Item 3 plugged into the two female RCA jacks mounted onto the back of the sub-woofer. If the sub only has one female RCA connector, get a RCA "Y" connector that has a single male end to 2 female ends.
This setup will work perfectly with any sub. The reason is as follows. Most decent subs have an adjustable high frequency cut off. So you can vary it from about 20Hz up to about 140 Hz.
I recommend that it is cut off at 80 hz. This way the bass transition is usually seamless between the woofer and the rest of the system. .
Then adjust the woofer volume control in a similar manner.
If it all works out, give the dog a treat and enjoy yourself.
I really hope this helps, I love my sub woofer as well.
Let me know how this turns out.
If you have any questions please post them on the site and I'll get back to you ASAP.
Best Regards,
Mark

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I have a pioneer 760 2 channel amp bridged to a kicker comp vr woofer. Amp has 8 gauge power and ground 18 gauge speaker wire run to woofer wooofer has 4 inputs two - two + . mine is run amp + to woofer +...


Ok, without knowing if you have the 2 or 4 Ohm Dual Voice Coil (DVC) version of the subwoofer, I'm going to assume you have the dual 4 Ohm version. The reason why is because, assuming you have the Pioneer GM-5300T amp, that amp does not support an 8 Ohm load. If you wire it in parallel, that would give you a 2 Ohm load. Parallel will be solid red connected to red/white dot, then to amp +, and solid black to black/white dot to amp -. Without knowing more specifics on the amp, that should fix the problem. Let me know what you get.

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are they still under warranty?
Worth checking into ... JBL has a good warranty program for this series and local authorized repair centers ... if you are under warranty you could have a fix for free in about a week ...

For audio expertise and PA system help with feedback and noise, try our new DVD "PA Systems for Small Groups" at www.rexark.com

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the eon woofer is designed to fit the small frame of the inside cabinet. The EV woofers look too deep to fit but you can try. I do think that the built in amps were set to work with only the JBL woofers so there might be a signal problem using the built in amp. The eon face seems to have their own screws to hold the grill so if they aren't holding you can drop some cement to help hold the srews in place. The front does not allow removal of the woofer so it seems whatever you do should not effect anything.

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Has nothing to do with the signal or source - it is a failure of the turn on circuit - I repair this amp - can help if you find my add here or I am located on ebay as well. Juust do a search for We Repair JBL and find the model :)

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If the voltage is dropping to 8v, it sounds like there is a problem with either the B+ line or the ground connection. You should also check the voltage across the battery terminals to see if the voltage is dropping at the source.

The amp may be going into protect mode. Disconnect all speaker wires from the amplifier's terminals. Also disconnect the RCA cables from the amp. Does it still go into protect?

Insert a 20 amp fuse in the B+ line and try to power it up. If the fuse blows with no speakers connected to it, the amp probably has a blown channel.

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