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Jbl sub makes ear splitting noise when plugged into any ac outlet
I have the same problem with my Creative Labs Sub-woofer, which I plan to strip and inspect, as I do electronics.
I've read elsewhere that a faulty capacitor can cause this motor-boating screech.
If your sub can be opened, unplug and look for bulging caps.
The silver top should be flat.
Rounded top usually indicates a blown cap.
Meanwhile, I bought another surround setup, by Logitech.
on Jan 31, 2018
Hi, I bought a new JBL SCS 140 system with amp HK
Fuses blow when something is shorted. In this case it will be a semi-conductor of some kind. If the device uses IC for the main amplification then you are right to be worried!
The 158 amp is totally unsuitable for the JBL.
This is the specification of the JBL:
- Recommended Amplifier Power
- they are also 4 Ohm speakers.
- 158 is: Output Impedance / Channel
on Jun 02, 2017
Blinking signal, sound
Hi my name is MIchael and I repair the following amps JBL PB10, PB12 If it has the screw near the on/off switch. If your amp is blowing the fuse, has bad sound, no sound, doesn't power up or if the output is low or muffled. We can fix it - please check ebay and search WE REPAIR PB10 PB12 - you will find us ... Edwards Electronics ....
on May 24, 2012
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