6.
TROUBLESHOOTING
The
unit
does
not
work;
no
lights
Sound
is
distorted
No
sound
coming
from
the
unit
7.
GLOSSARY
Crossover:
A device that limits the range
of
frequencies sent to a speaker or amplifier.
Equalization: the process
of
boosting or cutting sound signal frequencies to improve the
quality
of
the sound. The term comes from the filters used to add back high frequencies at
the receiving end
of
analog transmissions over wires.
Equalization band: the frequency range impacted by a specific filter.
dB:
decibel, a measurement
of
the relative difference
in
power
or
intensity between two
acoustic signals
Gain
control:
gain is the amount
of
amplification (voltage, current
or
power)
of
an audio
signal expressed in dB
Graphic
equalizer: a multi-band variable equalizer that uses mechanical controls to
adjust amplitude.
Hz: Abbreviation for Hertz, a unit
of
frequency equal to one cycle per second.
Octave: the musical principle
of
dividing sound frequencies into the eight notes
of
the
musical scale.
OEM: Original Equipment Manufacturer
RCA
input/output:
port through which sound travels
in
and out
of
the system; "RCA"
refers to the type
of
connector, which was originally manufactured by Radio Corporation
of
America.
Slope: how fast the sound changes rated
in
dBs. The higher the dB number, the faster
the frequency drops off.
EQS755
11
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