Symptom Remedy
Reduced treble with increased
volume
There might be the risk of overheating. Provide better
ventilation or turn down the volume.
You hear distortion Excessive input signal. Reduce the signal level.
Never operate the speaker with such a high signal level
that the indicator LED SIGN/LIMIT lights solid red!
Noise and hum occur 1. Press the GND LIFT button, possibly also on all other
devices involved, if available.
2. Only use cables with balanced wiring.
3. Make sure that all audio devices are connected to the
same power supply circuit and therefore share the same
ground reference.
If the procedures recommended above do not succeed, please contact our Service Center. You
can find the contact information at www.thomann.de.
Troubleshooting
TP 108 MA
27