Someone had asked our technician what he could do when the audio system happened unbalance for left and right channel.We summarized it the tips as below and hope it help you to solve the problem.
Before checking and adjustment, Please make sure the
tubes had been put right position and get well contact between pins of tube and
tube bases all.
1. Firstly, please check if the left and
right are unbalanced when volume potentiometer is rotated to any positions.
1). only if the time around the beginning
of the volume potentiometer, imbalance problem should be caused by the volume potentiometer.
2). If at any position, it is imbalance, it
should be other questions.
2. Sitting down / standing up in the middle
position of your listening area, does not move (the previous position does not
move), so let your families quickly replaced the left and right speaker cables
from the outputs of the amplifier to change, the cable ends of speaker do not
move temporarily
1). If the same thing happened still, it
should be the speaker and cable led to the problem. Then, please exchange the
speakers and don’t move cables, if there is an offset for volume, it should be
caused by the speaker, and it is probably caused by tremble speaker. If there
is no offset, please check the cables.
2). If you replace the speaker cables and
it happened, it should be caused by audio amplifier or signal sourcing.
3. At this time, please exchange your RCA signal
cable (up and down to exchange)
1). If there is a shift, then it should be
the signal source. Please check your audio signal sourcing.
2). If not a shift, then it should be
caused by amplifier or signal cable, then please check the amplifier. For tube
amp, please exchange the tubes to find out the problem.
4. There is a possible problem is the
speaker placement, please try it.
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