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Troubleshooting
The unit does not turn on
• The power plug is not fully inserted.
➞
Insert the power plug fully into the power outlet.
No sound is output
• The OUTPUT LEVEL knob is set to the MIN level.
➞
Set the OUTPUT LEVEL knob properly.
• Pin connector cable(s) are disconnected at the LINE
INPUT jacks.
➞
Connect cable(s) to the LINE INPUT jacks.
• Speaker cables are not properly connected to the
SPEAKER LEVEL INPUT terminals.
➞
Connect the speaker cables properly.
• The speaker setting at the amplifier (or receiver) is
incorrect.
➞
Check the settings at the amplifier (or receiver).
➞
Slightly increase the output level at the amplifier
(or receiver) (see page 5).
• The input signal is so small that the unit entered
Standby mode.
➞
Turn the OUTPUT LEVEL knob until the
Standby/On indicator light is green.
Low sound output
• Speaker cables are connected to the SPEAKER
LEVEL INPUT terminals with reversed phase.
➞
If cables are connected with reversed phase, L and
R low-range signals will cancel each other, dimin-
ishing the low-range sound. Connect the speaker
cables properly.
• The sound source might not include a superbass range.
➞
Play a sound source that includes a superbass
range.
Hum noise
• Pin connector cable is not inserted completely.
➞
Fully insert the pin connector cable.
• External leakage flux (induction noise by TV, etc.)
occurs.
➞
Relocate the SL-107 away from the noise source
and re-connect.
Specifications
Type Bass-reflex with built-in power
amplifier
Use For superbass-range repro-
duction
Frequency response 30–200 Hz
(at maximum crossover fre-
quency)
Crossover frequency 50–200 Hz (variable)
Maximum output power 150 W Dynamic
Input impedance 1.2 k
Ω
(for SPEAKER LEVEL INPUT
terminals)
65 k
Ω
(for LINE INPUT jacks)
Sensitivity
Speaker-Level 1.6 V
Line 230 mV
Speaker 20-cm woofer
Power supply AC 220–230 V, 50/60 Hz
Power consumption 75 W
Dimensions (W
×
H
×
D) 230
×
435
×
401 mm
Weight 13.0 kg
Accessory Pin connector cable (1 pc.)
Cork spacers (4 pcs.)
Instruction manual (this man-
ual)
Others Auto standby
Specifications and appearance are subject to change
without prior notice.