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Only the right channel working on the amplifier

The left channel on the amplifier does not work or sounds very very low compared to the right channel. i have connected both loudspeakers through the right channel but not getting the sound that i want.

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  • 236 Answers

First check on all your cabling, speakers and input sources for loose/defective cables. can you tell me what brand is your amp and model? does it employs digital source switch or mecahnical switches only.

Posted on Aug 13, 2008

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I would prod and poke the channel with an insulated screwdriver this will cause buzz sounds. This should find the cause of the problem. Remember that the left hand channel is identical so you can compare the right with the left. For example if you get a weird buzz on the right when you touch it, but not on the left at the same point you might have found the faulty part.
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YOU ARE NOT RIGHT IT SHOULD GIVE AT LAEST A LOW VOLUME SOUND WITH A LOT OF DISTORSION AND A CRACKING NOISE IF DOES I GUESS THAT YOU HAD THIS AMP IN A PLACE WITH A LOT OF HUMIDITY AND YOU HAVEN'T WORK IT FOR SOME TIME IF I AM RIGHT PUT YOUR AMP IN THE SUN AND WORK IT FOR 10 MIN WITH A 5 MIN BREAK LET ME KNOW THE RESULTS

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Left channel volume is very faint as compared to the right channe


It sounds like the preamp section is working but the power amp is not. Look at the power supply section and see if it is getting power to the power amp and if ok check the power transistors or IC.

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Go directly to the main amp, follow the leads from the speaker terminals. And you should find something on an heatsink. If there are two transistors see if they are running hotter than the other channel. If you see any damage to them (compare with good channel) replace both!
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Very low sound in main left chennel.


disconnect the cabel of left channel from your amp disconnect the cabel of right channel and put it in place of left channel if the problem goen your problem is in left speaker itself (cabel or speaker).if the problem excit the problem will be in amplifier output stage

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1 Answer

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More than likely the final amp chip needs replaced,and or may be a cold solder joint on the chip amp. GOOD LUCK
BIGRED

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