Right speaker is not working and the there is a loud nois from the left speaker when cutting-off the power from the power switch.
Fuses blow when there's an overload. The cause of this is short circuited semiconductors. I rather suspect that the main power amp device(s) - located on the big heat sink - have all gone!
SOURCE: nad s200
It is most probably a dirty speaker protection relay. gently tap the relay(the one that engages shortly after turning the amp on) when the fault is occurring and see audio returns. This should ascertain the problem. Replace it if it is a sealed type, or if it has a "lid" you can get off, burnish the contacts with a white business card, and give it a spray with contact cleaner/lubricant. Good luck and a "fixYa" rating would be great for my profile :)
SOURCE: NAD 272 Channel drop out
well..this is one for the books. Can you tell me what the ratings are between the 252 and the 752 impedance matching wise? even though it might work sometimes, impedance matching can wreak havoc between mismatched amps.
what are you driving from the 752 into the 252?
SOURCE: The right channel on my NAD intergrated amplifier C320Bee no longer works.
if you did test for your cable and speaker and you find it fine-your problem will be in output stage of your amp and needs aid of service center.
SOURCE: NAD C370 Right channel distortion
Sounds like you have lost the power amp transistor(s) or IC for this channel.
SOURCE: Bryston 4b amp, left channel blows the back panel
I would check out whatever drives the left channel first. If it is a transistor, you can put a ohm meter on the terminals and see if it shows a short (amp turned off). If there are two transistors for the left channel, and you find a short on one only, replace the other to be on the safe side.
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