Topmusicanswers
Speaker crackling is almost always caused by a connection problem. ... The first thing to do is to check the wire connections between the amplifier and the terminals on the speaker itself. If the wire has a tendency to get moved around, perhaps by a cat or dog, it's a possibility something has come loose.
Why does my amp make a crackling noise?
Random Crackling and Pops
This typically signifies your amplifier has faulty power tubes. First, try swapping them one by one with a spare tube. If this does not fix it, then the preamp plate and/or cathode resistor need to be checked out (this is probably something to get a professional tech to do).
How do I stop my speakers from crackling?
Ensure the speaker wires are properly connected to both the speakers and stereo receiver. Turn off any nearby electronic devices that may be interfering with the speaker sound. Move the speaker wires away from any electrical cords. If the issue is still unresolved, reset the receiver to the factory default settings.
