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10.
Maintenance
For cleaning the cabinet, use a dry cloth and wipe dust away. If needed, moisturize
the cloth with a small amount of window cleaning dissolvent. Do not use excessive
amounts of solvents, and do not let any of solvent spill into amplifier. The front panel is
made of aluminum, it can be cleaned by using normal mild solvents and clean paper
tissue or cloth. Do not use any other the scratch the mirror display at the front.
11.
Burn in
All new electronic equipment must be burned in to achieve optimum performance.
Please allow the new pre-amplifier and reserved power supply unit to burn in by playing
music with the loudspeakers connected for 200 hours before critical listening is
performed.
12.
Service
The simplicity of the KingRex UD384 USB DAC are very few parts can be breaking
down. Should you ever require service, you can either contact your dealer or national
distributor, who can solve any problems locally.
You are also very welcome to contact KingRex Technology Co., LTD directly if you
need any information or help.
Our contact information is listed on the last page of this user guide.
13.
Our best wishes ~
We at KingRex only use the best “ raw materials” trimmed and rafted to perfection
by the best engineers and sound enthusiasts for all audiophiles.
The guidance lines in this manual will assure you of an exquisite sound experience
hope it will provide clear instruction to operate our products.
We hope you years of proud ownership and happy listening. We feel confident that
you will cherish this amplifier for both its amazingly clear reproduction as well as for its
splendid craftsmanship, elegant appearance, and convenient size.
Hope you won’t mind to share with us if there is any problem or questions. Please do not
hesitate to contact with us. We look forward to hearing from you~
REMARK: Kingrex UC384 already pass the compatibility test for PCs and Macs. If
the UD384 cannot work with your PC or Mac, the most common problem is the
outmoded OS system. Please try to update your OS system first or work with
other new PC.