Cambridge Audio Azur 640P Amplifier "amp hum" Questions

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Question about NAD Audio Players & Recorders

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...amp works order but humming. Thanks. Leo You have either got a bad earth connection, or possibily there's a capacitor failed. If you can't find a dodgy conection, I would replace the large ...

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Question about NAD Audio Players & Recorders

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...hum This amp has always hummed, from day one. But now after it has warmed up the hum goes up and down which is annoying,is it worth keeping cost wise or shall I scrap it.This amp is ten years old but ...

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Question about Audio Players & Recorders

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...amp back on there is no noise or 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 ...

...hum on my TPA 45 amp. when switched on what cause it please i have two of these amps one is clear the other has got low hum Don't turn it on and you won't have the hum. It is probably the primary ...

Question about Audio Players & Recorders

1 Answer

...amp. No Hum? Attach just the preamp with no external components. Hum now? It's the CT-28. Turn it off an exercise every switch and knob throughout its range numerous times. Try again. Still humming? ...

Question about Peavey Audio Players & Recorders

1 Answer

...amp is turned on it hums. If the 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 ...

Question about Audio Players & Recorders

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...hum in guitar amp I have a Peavy Special 130 guitar amp that hums loudly with volume set to zero and nothing connected. I ran a test to disconect the guitar preamp and the noise went away. The unit ...

Question about Audio Players & Recorders

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hum with my Carver M 400 amp. How do I have a low hum with my Carver M 400 amp. How do I fix it? If the hum disappears when you unplug the input audio cables, you need to use BALANCED lines to the amp

Question about Audio Players & Recorders

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...amp and turned it on extreme buzz and or hum i plug in my guitar cord and turn the volume up . 3 minutes after playing extreme buzzing/humming next i have to play with the guitar cord at the amp just ...

Question about Parasound Audio Players & Recorders

1 Answer

...AMP THIS IS MY SECOND A23 THE FIRST STARTED TO HUM AFTER 10 MONTHS TRIED ALL USUAL THINGS CABLES SEPERATE MAIN FEED STILL HUMS SENT IT BACK, WAITED 5 MONTHS FOR REPLACMENT ARRIVED 10/08/07 SET IT UP ...

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