Question about Logitech Z-560 Computer Speakers

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Repair of Z560 amplifier

Z560 that's past its warranty lost all sound from the woofer and only "tinny" sound from the 4 satellites.  Every now and then, the entire system begins working all on its own for about 15 seconds, then reverts on its own back to the "tinny" sound.  Sure seems like the amp inside the woofer is bad.  It's not the sound card since plugging in a Logitech Z2300 system works fine.  Tried replugging the wires, jiggling switches, tapping on the heat sink, even pulled the electronics (joy!) and reseated the connections.  Everything on the amp pcb looked fine - no burns/scorches.  Logitech won't repair it.  Seems like the only option is to replace the system.  Thoughts?

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  • hdguy1 Oct 16, 2007

    Exactly in-line with my thoughts.  Solder joints looked good - no cold solder joints or heat marks.  All of the amp card looked good regarding solder joints.  I'm not near an electronics parts store, so have decided to put the Z5500's on the Christmas list.  Thanks again.

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Try the control center most likely the potentiometer such as the volume knob. try rotating all the knobs repeatedly.

Posted on Sep 03, 2008

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Try fixing its amps by simple reheating it. if still doesnt work try replacing its parts... it is certain that it has a prob on the amps.

Posted on Oct 16, 2007

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1 Answer

The left channel on my Nakamichi SoundSpace 8 has suddenly started


  • Complete home theater system with top-loading DVD/CD player, surround sound processor with AM/FM tuner, and center channel amplifier
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Jul 22, 2012 | Nakamichi SoundSpace 8 System

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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

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I have just bought an amplifier for some old Kef speakers but the speakers sound very tinny. Does this mean they need replacing too?


It's not clear how the speakers sound with a different amp or if other speakers sound tinny with this amp. What's the source you're listening to? If it's Phono that opens up a different can of worms.

Can you certify that the electronics is faultless in this scenario? More info on that piece may be helpful.

The woofers could both be blown but I doubt it. Tweeters usally die if a speaker is overloaded. You should be able to see or feel the woofers vibrating in the presence of bass.

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I have a 200w Paradigm subwoofer that recently started a nasty feed back that sounds like an automatic machine gun. Is it a connetion problem or a something else


Do you have a habbit of turning your woofer up louder than listening to "clean" music? As you turn up the volume almost to the maximum, you should notice when the "clean" sounding music turns to "not clean" sounding music. Also known as "distortion". That "distortion" is actually your amplifiers inability to play louder than that point. When you turn up the volume past the point when the music sounds like it is "unclean" sounding music, your amplifier is pushing instructions to your woofer, but the woofer can't handle all the extra instructions and is damaging your woofer. And hense, over time, you can damage your woofer beyond repair.

If you can't find a loose connection, there are only 2 other possibilities. You wore out your amp. Or, more likely, you wore out your woofer. Or......Please, no......not that.......possibly both. Amps can be sent to the manufaturer for repair, but check craigslist before you spend on repair. I would focus on the woofer possibly being the worn piece. A high end audio shop will gladly take $15-30 from you to test your woofer and amp for you.Just tell them what you hear. They can also check all your connections for you.

Good luck.

Nov 14, 2010 | Audio Players & Recorders

1 Answer

Can i have box dimentions for my 12" xplod sub


  • Warranty Terms - Parts 1 year limited
  • Warranty Terms - Labor 1 year limited
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  • Bottom Mount Depth (inches) 10"
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  • RMS Power Range (Watts) 380
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I've lost the sound in my Sub-woofer. Model SA 680.


Open it up if it`s out of warranty and look for a blown fuse, if there is none then you probably have a bad amplifier, broken wires or deffective plugs.

Dec 19, 2009 | Kinyo Audio Players & Recorders

1 Answer

Volvo s.40 with HU605 audio unit. all works ok on console but only weak tinny audio from facia speakers, none from rear and door speakers. opne 8 way din socket on rear of unit got no plug in it.


Hello mireilledwar,

It sounds like the amplifier in the receiver is faulty. The sound you are getting sounds like just the highest frequencies reproduced by the tweeters. Lower frequencies reproduced by the woofers generally require more power output to drive the bigger speakers. There are two connectors on the back of the unit. Unless you have the optional CD changer, only one is used.

Hope this helps.

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The "tiny sound" may be a blown woofer you are only getting sound from your high section.

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2 Answers

Loss of sound to Logitech Z560


I repaired Z-560 speakers with a defective left front channel by chopping off one of the input leads close to the 3.5 mm stereo jack that goes into the PC and joining on the leads from a new one. At first I thought the fault lay in the main amplifiers in the sub woofer unit but I was wrong and it turned out to be far simpler to fix than I anticipated.

Rod in Ottawa

Aug 27, 2007 | Logitech Z-560 Computer Speakers

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