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I have a JBL 125SAT system and three of the five speakers have little to no volume. I know the wiring is good but how do I fix the speakers?

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  • Anonymous Oct 26, 2008

    2 of my 5 dont have sound but i ust thought they were just the surround speakers

  • drw313 Nov 22, 2008

    i have the same problem but cant seem to find a answer any where. please help if you can

  • Anonymous Dec 01, 2008

    we also 2 out off 5 nearly no volume

  • jcan66 Dec 03, 2008





    I have the same system. Can't figure it out but two of the speakers have very little sound. Please share solution.







  • Anonymous Jan 11, 2009

    xjl;khkj

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SOURCE: My Yamaha RX-497 bought 3

damaged yes... fix yes,, well hopefully,, ok frstly it seems you blew an output IC or a filter.. now i dont have a diagram and basically one isnt needed,, you will need some screw drivers, a soldering iron and some solder..and a multimeter if you have one..

  1. open up the unt (unplug it first)
  2. look at where the speaker's connect you will notice it leads to 4 - 8 huge IC's on heat sinks.. close to the heat sinks are a few capacitors (filters) look at them and pray you find one with an oily surface.. If so remove it by soldering it, take it to the shop and get a new one to solder in place.. and then test the system to make sure it works..
  3. IF not a filter then plug in and turn on the unit.. touch every one of the 4 -8 ic's to see which get HOT!!!!!! very hot,, that one is blown (actually will be more than one) again unsolder them,, get replacements and reassemble..
  4. turn on and enjoy!!..


Posted on Sep 17, 2010

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1 Answer

Jvc rx 5052 overload when volumes open


Could be....
  1. There's a short in your speaker wiring somewhere
  2. or a blown speaker
  3. or you are recycling the speakers from an old all-in-one system and they're too low Ohms
Check your speakers first. If they are less than 8 Ohms, or there's no label on them which gives the Impedance (in Ohms) then I'll lay money that they aren't suitable for the amp. Stop using them and get some proper 8 Ohm speakers.

Wiring shorts might be only a single strand of copper wire. But it's enough that at higher volumes it conducts enough current between the speaker terminals to trip the amp's protection mode.

Fix the problem. Go through your wiring. Check using a torch. If all looks good then it's a blown speaker.

Remove the speaker wires from the amp. Switch the amp on and turn the volume up full. The amp should stay on. Turn the volume down and switch off.

Now connect ONE speaker only. Try the amp on and volume up again. If it trips out then that's the faulty speaker. Repeat by adding one more speaker each time. When the amp trips, the last speaker added is the culpret.

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Hi Strange problem with Marantz pm7001 When ever I turn the volume upto around 1/3 and 1/2 of the way, the amp cuts out and reset it self down to minimum volume. It seems like the amp ins't enough power...


What's probably happening is that the amplifier is shutting down or cutting back the volume as protection from damage. You may have a partial short in the speaker wiring that is not a problem at lower levels, but at higher ones causes the amp to see too low a load. There may a problem with a speaker or crossover component that is breaking down at higher volumes. Or something in the amp's output stage is unable to handle the load.

Test the system with a known good speaker system and length of wire and see if the trouble continues. If it does, you'll know it's the amplifier that needs to be checked. If the test speakers can reach normal volume, you can start checking the wiring and other speakers for the source of the trouble.

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The signal select is set to analog but it still turns off when the volume is slightly turned up, can you tell me why?


Sounds like the receiver is defaulting to "protect mode", this indicates that there is an electrical short present in the system, I have found that speakers or speaker wires tend to be the cause often.
Disconnect all speaker wires at the back of the receiver, turn receiver on and raise the volume control and see if the receiver still shuts down, if the receiver doesn't shut off, then one of the speakers or speaker wires are bad, reconnect one speaker at a time, raise volume and see if the speaker you connected causes the receiver to shut down, if not continue connecting the speakers one at a time, testing to see if the receiver shuts down after each speaker connected, when the receiver faults to "protect mode" again after you have connected a speaker then you know that the last speaker you connected is the "blown" or shorted speasker or wire.If the receiver still shuts off after disconnecting all speaker wires, then either one of your sources has a problem(DVD,CDplayer,cass deck,etc.) or the receiver has an internal short that will have to be repaired by a servicer.

Good Luck !

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Does onkyo HT-s3100 supports 4 Ohms speakers from JBL(control 1)


Palaboy is incorrect. JBL Control 1 speakers are 4 Ohm 150 watt speakers. He's probably thinking of the Control 1x speakers which are 8 ohm 80 watt speakers.

If you hook your Control 1s to that Onkyo, it won't sound great and could cause the receiver to overheat and trip the protection circuit if played at high volume.

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Denon AVR2106 receiver lost center channel, third time


Its possible you center channel is fried and keeps burning up the channel output on the reciever. Next thought is that, yes it was a bad model. First make sure that the speaker is good by putting another speaker in its place, or by checking the speaker with another system for sound quality. If it sound high pitched and it takes alot of volume to hear, than its toast and get rid of it.

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Kenwood VR-409 surround system clicks off when sound is turned up


Assuming you aren't turning the volume knob past half way before the problem occurs, you most likely have a damaged speaker cable or a bad driver in one of your loudspeakers. (Once your volume knob has reached about half way the amplifier is producing its maximum efficiency.)

Note the position of your volume control when the clipping occurs, then remove one speaker at a time and raise the volume. If you identify a speaker as the culprit, inspect or replace the wire running to it and try it again. If you aren't able to find a bad speaker, the problem is internal and will need to be fixed at a repair shop.

Good Luck,
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Use JBL Creature speakers (pc speakers) through tv


There may be a setting in the TV's menu to set fixed or variable output for the rca's. You want variable. Some have two sets of audio outputs for fixed and variable. Depends on the TV. Check those two things. If no help let me know what the TV is and we'll see what we can do.

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I have a new RX V661 7.1, shuts down when I turn it up.


How much loudness are you trying for. Also, the program material and bass/treble settings factor in when asking a system for increased power...accordianman

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1 Answer

Trying to hook up jbl sr4732 speakers the highs are to loud compaird to the bass or lows. im only using a onkio with a 100 watt per speaker.


These JBL speakers are not made for a home stereo reciever. It could be part of the problem.

I do know that they have a high frequency input and a full range input on each speaker.

I am going to guess that maybe you have them connected to the high frequency input.

Are you using 1/4 inch jacks connecting to the input of the speakers?

I don't remember these speakers having a input for wires.

You may have another issue using these speakers with that reciever.

The JBL speakers are 4 ohms each, it is very likely that the onkyo requires 8 ohm speakers.

Look on the back of the Onkyo where the speaker jacks are at and see if it says anything about the minimum impeadance.

The impeadance is the ohms. Most home recievers are not designed for anything less than 8 ohms. Some are, but most are not.

Using 4 ohm speakers on a system that requires 8 ohm speakers can cause damage to the reciever. Mostly at higher volume levels, it will cause the reciever to overheat and shut off, maybe short out a channel. It pulls 2 times the amount of current thru the output transistors as 8 ohm speakers.

Let me know if this helps you or if you need more help.

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