Need help?Do you have a question about the MBL 9011 and is the answer not in the manual?
Protect unit from humidity, dust, sunlight, heat, interference; maintain temperature 10-40°C; avoid condensation.
Ensure ventilation, avoid liquids, and never power on without speakers.
Details on the number of power transformers and recommended power switch positions for different loudspeaker impedances.
Guidance on primary and secondary fuse locations, types, and replacement values.
Steps to diagnose and resolve issues with the amplifier not working or the power switch not illuminating.
Troubleshooting steps for when no audio signal is produced by the amplifier.
Diagnosing problems related to incorrect sound or distorted audio output.
Troubleshooting when the power is on but there is no music or distorted sound.
To Next Page
General
