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SYMPTOM PROBABLECAUSE SOLUTION
Bass is very weak •Subwoofers are wired out •Make sure that positive terminals on the
of phase subwoofers go to the positive terminals
on the amplifiers (red) and do the same
for the negatives.
•Subwoofers have not •Experiment with different locations.
been placed optimally
Poor or smeared imaging •Poor room acoustics •Use absorptive materials to minimize
early reflections.
•Aim speakers at listening area.
•Poor program source • Check another program source.
•Improper polarity •Check polarity of wire connections.
Indistinct dialogue •Slap echoes •Add absorption or diffusion materials.
•Miscalibration of center •Check output levels of surround processor.
channel output level
Uneven surround coverage •Poor speaker placement, •Place surrounds according to THX
strong reflections specifications.
•Add absorption and/or diffusion materials.
•Excessive absorption near •Remove absorptive material to provide
surrounds surround reflections.
TROUBLESHOOTING