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A friend of mine has a CSW250 in which the sub woofer doesnt fire, opened it up to find that the speaker with in the casing isnt even attached to the circuit board, I am assumin gthat is attaches to J3 but when i try a connection i get no sound. Is that not the correct location for the hook up and if not where should the speaker hook to, if it is the correc location, any idea as to why it wouldnt be firing. I checked all the components and the seem, visualy to be fine. Thanks Mark

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Put an A.C. voltmeter on the lower A.C. range and attach to where you surmise leads might go if it was originally connected correctly, then turn on some audio and see if the meter registers the audio on the A.C. scale on the voltmeter

Posted on Oct 06, 2009

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Speaker replacement


If the enclosure has a front GRILL that lifts off or can be pried off without difficulty, you may be able to enter from there.
In most cases the manufacturer seals these devices and you cannot open them. The cost to replace could be greater that purchasing a new sub-woofer. Remember Speakers must be MATCHED properly, and unless you have the exact replacement; all may be in vain. The other problem, some systems have Controls attached to the speaker box and that is a whole new problem to solve.

Dec 18, 2013 | Gateway Audio Players & Recorders

1 Answer

Ihave hk395 subwoofer..but i dont have the satellite and a two speakers..it is possible to use it...if not were i can buy..


U can use the sub-woofer by plugging it separately with a normal 2 stereo speakers.. or ..use 2 speakers attached on it ..be sure they are powerfull enough to make a match ..(usually it is enough 10 watt )
to plug t separately ..just take a look in the speaker configuration option of the driver..and change it in such a way that will allow you multiple out ..(you will see which one will be what ...even on a normal sound card with only 3 plugs ..The configuration you have to choose is probably 3=1 or so ...and will leave your pink for a microphone ..and the line in will turn in a out-let for the woofer ..
Or if the woofer have inlets for the speakers and has a amplifier built in ..you can attach any speakers..
In this case you can use teh normal speaker out ..and get the signal for the other speakers from the woofer ..
In case they were separate ..and the woofer was only connected with the central ..use like I say ..a configuration on the sound manager (speaker configuration ) in such a way that you will be able to connect the speakers in normal green out and use regular 2 stereo ones..and attach the sub-woofer in the plug specified in the diagram ..usually for 3=1 or 4=1 it will change the blue line in into woofer out ..and will work
In this case the speakers used in the green out have to be amplified separately (or have a built in amplifier like computer speakers have ).please ask if you didn't understood the procedure ..and please rate my answer

Dec 25, 2011 | Dell HK395 Computer Speakers

1 Answer

I recently picked up the THC-c60 system without the supporting amplifier. Can I still use the subwoofer and the speakers without the amp? I note that it also came with a DIN cable, is there some way to...


You can use the sub-woofer and the speakers even without a supporting amplifier. The sub-woofer alone is powered with 167w per channel enough to power all the speakers. The DIN cables used to connect the sub-woofer to any source device like a computer, multi-media projector and others.

Dec 02, 2010 | JVC TH-C60 System

3 Answers

Sub woofer produces a very loud low tone


This model has a high failure rate with the power supply board. Typically, power resistors fail, which in turn burns out the big capacitors.

I have not heard of transformers failing though, so it shouldn't be too much to repair it.

Here are the schematics for the unit: Upper board and Lower board

Dec 31, 2009 | KLH ASW10-120 Subwoofer

1 Answer

Ok my sub woofer isnt working, the front and back speakers are working, the sub used to work then it would cut in and out then i tap the box and it works but no it doesnt work at all, i am not sure if the...


bad connection. try hooking up a different test speaker to your amp. if it works you can trace the short into your sub. if not the terminals in your amp may need to be re-soldered.

Oct 10, 2009 | JBL GT150 Car Subwoofer

1 Answer

I bought a sub woofer from a thrift store used and even though my existng computer speakers have a sub woofer jack, after hooking it up, it doesnt play. I bought the digital chord which fits well in the...


Different sound system use different voltages for their speakers. Look up in your computer manual what the electricial requirments are for the speakers and see if the one you bought matches.

Dec 15, 2008 | Computers & Internet

1 Answer

Hi I own a Technics Hi-Fi system (Model SC-EH780) and would like to attach a subwoofer to it. I cannot find the subwoofer unit that is supposed to go with this system. Can you help?


Any powered sub-woofer will work with it. Check the back of the Technics, make sure there is an RCA output labeled "Sub-woofer" or "Woofer" or "Sub". If so, you can get any brand of powered sub woofer and it will work. A powered sub-woofer is one with an amplifier for the sub built into the box and you will need to plug it into an A/C outlet as well. The only exceptions to what will work with this unit is to make sure you are not buying a sub-woofer that is made to only work with the companion unit it is originally sold with. Many Panasonic and JVC sub woofers are like this. Just look for a sub-woofer that is not part of any system. Velodyne makes some really great sub-woofers that would work nice with yours, but they can be a little expensive, but they are very good.

If your Technics has no RCA output for the sub-woofer, you will need to make sure that whatever powered sub-woofer you buy has a speaker level input for it. Most powered sub-woofers have this feature, so that you may just run the front speaker outputs of the receiver into the subwoofer and then the sub-woofer will have a set of speaker outputs right below the speaker inputs so you can still have your front speakers connected to that and not loose anything from your system.

I hope I have explained this in a manner you will understand easy, if not just post whatever questions you may have right on this thread and I will get back to you as soon as possible.

It would also be appreciated if you could rate this solution if you no longer need any help from me. If you do require more help, please wait to rate this until we are finished. That way I do not get an undeserved bad rating when we have not even finished our communications.
By the way, A "Thanks for trying" and "Helpful" rating are really not good, they always end up lowering my overall score.

Dave

Nov 09, 2008 | Audio Players & Recorders

1 Answer

Harman Kardon 595


Hi, probably two things that can go dead, 1) the woofer itself and/or 2) the amplifier. I will rule out poser supply cos the other speakers are working. Normally they have a separate amplifier than that of the woofer. If you are comfortable working with a soldering iron and a multi tester, after unplugging from the mains, then you open the enclosure and check the continuity of woofer which should read between 4-8 ohms, if it is open or no reading, replace just 2 wires/terminals involve with 3 or 4 screws. If the woofer reads a continuity, then it is the amp which normally is just a single power IC attached to an aluminum heatsink. In some instances, it may be a power transistor pair. In any case you have to be familiar with component level repair. Otherwise, you are probably better off asking a qualified service personnel to do the repair job. Hope this be of some help. Pls post how things turn up. Regards.

Apr 26, 2007 | Harman Kardon HK595 Computer Speakers

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