• Hand-made construction with the finest point-to-point wiring.
• Two EI output transformers with wide bandwidth are applied.
• Specially designed toroid transformer for power supply.
• Two 6SL7 and two 6SN7 tubes are used in the preamp stage.
• Four KT88/6550EH tubes are used for AB1 push-pull amplification.
• Triode and Ultralinear selection.
• External user Bias Adjustment is accessible with the BIAS meter for monitoring on
• the top of the amplifier.
• External Tube Selection Switch between EL34 and KT88 on the rear panel for easy
• tube replacement.
• Equipped with remote control.
• Can be used as a Power amplifier.
• Soft start function (about 30 seconds).
• CS-88A can memorize last operation of the unit once turned off.
• High-quality Japanese ALPS motor potentiometer.
• Thickly silver-plated signal cable has been used.
• Equipped with easily-installed tube cover for protection.

Cayin CS-88A (KT88) Tube Integrated Amplifier:
Model: CS-88A
Type: Tube Integrated Stereo Amplifier
Amplifier Topology: Class AB, Triode and Ultra-linear modes

Power Output (RMS):
Triode Mode: 27W + 27W
Ultra-linear Mode: 48W + 48W

Distortion & Performance:
Total Harmonic Distortion (THD): 1% (1kHz)
Frequency Response: 10Hz ~ 42kHz (-3dB)
Signal-to-Noise Ratio (S/N): 93dB

Input Section:
Input Sensitivity (Integrated): 300 mV
Input Sensitivity (Pre-In): 1000 mV
Input Impedance: 100 kΩ
Input Terminals: Line 1, Line 2, Line 3, Pre-In (all RCA)

Output Section:
Output Impedance: 4Ω, 8Ω
Output Terminals: Speaker Binding Posts

Tube Complement:
Tubes: 6SL7 × 2, 6SN7 × 2, KT88 × 4

Power Supply & General Specifications:
Power Supply: Custom-made Toroidal Transformer
Power Consumption: <280 W
Dimensions (W×D×H): 420mm × 382mm × 195mm
Net Weight: 28 kg

Included Accessories:
Remote Control, Power Cable, User Manual (Specific accessories to be confirmed with manufacturer)

Additional Features:
Operating Modes: User-selectable Triode or Ultra-linear operation
Input Selection: Dedicated line-level inputs plus separate Pre-In for system integration
Tube Protection: Soft-start and delayed muting circuit