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SW-305 [EN]
In case of difficulty
Sound adjustment
Depending on the listening room condition and the front speaker
characteristics, other adjustment setting than the examples shown
above may provide more natural bass sound and more effective bass
reproduction. Try various adjustment settings to select the optimum
one for your listening room.
How to use the VOLUME CONTROL knob, PHASE
selector switch, CROSSOVER control knob
Front speaker Crossover Frequency
Small speaker 120 ~ 200 Hz
Medium speaker 80 ~ 120 Hz
Large speaker 60 ~ 80 Hz
The characteristics above express the images and the details are different
from the actual characteristics.
Frequency
Sound Pressure Level
CROSSOVER control knob
The VOLUME CONTROL knob, PHASE selector switch and CROSS-
OVER control knob can be adjusted to match the condition of the
listening room and/or the characteristics of the left and right front
speakers.
CROSSOVER control knob function
Examples of standard adjustment according
to the type of front speakers
Crossover frequency adjustment (CROSSOVER control knob)
RemedySymptom Cause
No sound is output.
Sound volume is low.
÷ The connection cords are not plugged into the
jacks properly.
÷ The volume is set to the minimum.
÷ The connected amplifier or receiver does not
output the subwoofer pre-out signal (appli-
cable when the amplifier or receiver is equipped
with the pre-out on/off function).
÷ The speaker cords are connected in the re-
verse phase.
÷ The phase selection is not correct.
÷ The pre-out signal level of the connected am-
plifier or receiver is set to the minimum (appli-
cable when the amplifier or receiver is equipped
with the pre-out level control function).
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A simple mistake may often be misunderstood as a failure. In case of a trouble, check the applicable symptom
in the following table before calling for service.
÷ Connect them properly by referring to “Con-
nections”.
÷ Adjust to an optimum volume.
÷ Switch the subwoofer pre-out switch of the
connected amplifier or receiver to ON.
÷ Connect the R and L cords with correct + and
- polarity by referring to “Connections”.
÷ Set the PHASE switch to a different phase.
÷ Adjust the pre-out level of the connected am-
plifier or receiver to an optimum level.