1. Unplug the power cord if you are not going to use the product for an extended period of time.
2. The machine will become hot after working for a long time. Please keep the unit's ventilation open and
install the amplifier at a well-ventilated place to avoid troubles and fire hazard.
3. Forbidden to operate when the output is open or shorted.
4. Do not attempt to service this product yourself. Opening the cover may expose you to dangerous
voltage or other hazards.
5. We are not responsible for any problems caused by checking and opening without permission of our
company. For service, Please contact a qualified service technician.
6. Do not place any objects filled with liquids such as vases or some others on the top or around.
7. Clean only with dry cloth.
8. Please move the amplifier carefully not to drop the unit or be subject to other strong shocks.
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Product Features
Safety Precautions
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Hand-made construction with the finest point-to-point wiring.
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Two EI output transformers with wide bandwidth are applied.
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Specially designed toroid transformer for power supply.
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Audio grade capacitors and resistors are used for a better and more sweet sound output.
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12AX7/ECC83 and 12AU7/ECC82 tubes are used in the preamp stage.
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Four KT88/EL34 tubes are used for AB1 push-pull amplification.
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Triode and Ultralinear selection.
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External user Bias Adjustment is accessible with the BIAS meter for monitoring on the top of the amplier.
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External Tube Selection Switch between EL34 and KT88 on the rear panel for easy tube replacement.
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Four pairs of input include one USB input, one Phono input and two line inputs.
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CS-55A takes outstanding USB audio technology which utilizes high speed USB 2.0 receiving and decoding
32bit/384kHz high resolution digital signals.Internal USB DAC which supports asynchronous clocking.
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Equipped with remote control.
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Soft start function (about 30 seconds).
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CS-55A can memorize last operation of the unit once turned off.
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High-quality Japanese ALPS motor potentiometer.
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Equipped with easily-installed tube cover for protection.