Monster Cable MPA3250SS 3-Channel Amplifier "hum speakers" Questions

...hum it is silent. Firstly, do not disconnect the speakers from the amp when it is on. Damage is possible. You have a bad ground somewhere in the hookup. The first suspect would be your guitar-to-amp ...

speakers. the right hand speaker started to buzz/ hum and gets louder when i turn up the speaker volume, no musics/sound comes out of it apart from the buzz/ hum. many thanks Ian swap out put channels

I am just getting a loud humming noise from the speakers. Changing the volume does not change the volume of the humming. Also you can hear the TV through the speakers aside from the humming. Did I ...

hum coming from the unit with no speakers connected, or is it heard through the speakers? What sources are being used? What cables? Are thereany common sources of interference near? Troubleshooting is

...speakers, leaving the volume controls down. Power up and see if your fuse holds. If you have hum, an output transistor is most likely shorted. If you have no noise, SLOWLY turn up the volume controls ...

...speakers, not the chassis. I have the same amplifier, when I had it one my test bench plugged into an outlet strip, it was very loud for the first few minutes. Definitely transformer hum. When I ...

...hum comes out of the speakers then it could well be the large Electrolytic Capacitors in the power supply stage. Otherwise any part huming inside the amp should be replaced, though sometimes a part ...

...hum in my system. I have a yamaha m-4 amp, pmx-9000 preamp/mixer, and klipsh lascala speakers (yea, they're a little old and I just brought them out of storage). I have the componenets grounded (to a ...

speakers. The hum is a consistent volume, unless the 'direct' button is pressed - what is this button for? I have disconnected everything & the hum persists. Any advis=ce will be appreciated. 'Direct'

hum from both speakers I'm getting a lot of hum and buzzing on both speakers making quiet passages in music less than quiet. I have checked any possible power cord interference without any effect. The