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Subwoofer operation (SB-WA55)
1
Set [POWER] to "
The indicator turns green.
The unit switches to standby and the indicator turns red if it
doesn't receive a signal for about 8 minutes. It switches back
on when it receives a signal.
2
Output sound from the receiver or am-
plifier ( ) and adjust the volume to a
suitable level.
See the operating instructions for the other equipment for de-
tails.
Do not adjust the bass as this can cause distortion.
3
Set [LOW PASS FILTER].
Set the low pass filter on your receiver or amplifier to 200 Hz if
possible.
Refer to "Frequency response by LOW PASS FILTER setting".
Set [LOW PASS FILTER] to 200 Hz for a full range. Reduce it if
you feel the bass is too strong.
4
Adjust [VOLUME] to a suitable level.
Refer to "Frequency response by VOLUME setting".
5
Play something, then set [PHASE] to
"
NORMAL" or "
sound is normal.
The subwoofer and speakers cancel each other out (causing
unusual, muffled sound) if phase is incorrect.
When settings are complete
The only operation you should have to perform daily is press [POWER]
to turn the unit ON/OFF.
If you reposition the system and the acoustics change, reset the unit
as necessary.
Note
If the volume output is too loud, this unit's amplifier can be clipped,
causing output to sound unusual. Reduce the volume of the receiver
or amplifier or the volume of this unit if this occurs.
5
RQT6905
ON".
REVERSE" so
Frequency response by LOW PASS FILTER setting
20
50
100 200
500 1000 (Hz)
Frequency response by VOLUME setting
LOW PASS FILTER : 200 Hz(max)
20
50
100 200
500 1000 (Hz)
Protection circuitry (SB-WA55)
This circuitry to prevents damage caused by excessive input or
abnormal signals. When excess input is detected, the sound is
automatically interrupted.
If sound is interrupted...
1. Reduce the volume level from the receiver or amplifier.
2. Press [POWER] to turn the unit off.
3. Check the sound source and connections for problems.
4. Press [POWER] to turn the unit on.
After the protection circuitry is reset...
Take care not to increase the receiver's or amplifier's volume
level too much.
(approximate values)
200
150
100
80
60
50
(approximate values)
(max)
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