The Cayin CS-300A is a meticulously designed single-ended Class A tube integrated amplifier, catering to audiophiles who appreciate the timeless, rich sound of 300B tubes. This amplifier delivers a pure and smooth sound experience with exceptional clarity, making it ideal for connoisseurs of high-end audio. With 8 watts RMS per channel, the CS-300A is capable of driving high-efficiency speakers, offering a full-bodied and harmonious sound profile.

Cayin CS-300A Tube Integrated Amplifier:

Type:
Single-Ended Triode (SET) Pure Class A Stereo Integrated Amplifier 

Power Output:
Rated Power: 8 W + 8 W 
Load Impedance: 4Ω, 8Ω, 16Ω (selectable output terminals) 
Total Harmonic Distortion (THD): 1% (at 1kHz) 

Frequency Response:
10 Hz - 32 kHz 

Input Sensitivity/Impedance:
Line Input: 280 mV / 100 kΩ 
Pre-In Input: 1000 mV (for use as power amplifier) 

Tube Complement:
Power Tubes: 2 x 300B (Single-ended Class A amplification) 
Driver Tubes: 2 x 6SN7 
Voltage Amplification: 2 x 6SL7 
Rectifier Tubes: 2 x JJ GZ34S/5AR4 

Inputs:
Analog Line Inputs: 3 x Stereo RCA 
Pre-amplifier Input: 1 x Stereo RCA

Outputs:
Speaker Terminals: 3 pairs (4Ω, 8Ω, 16Ω binding posts) 
Headphone Output: 1 x 6.35 mm (1/4") TRS jack 

Controls & Features:
Negative Feedback Switch: 0 dB (open, detailed sound) and -3 dB (soft, clean sound) on front panel 
Bias Adjustment: External user adjustment with top-panel bias meter for 300B tubes 
Volume Control: High-quality Japanese ALPS potentiometer 

General:
Power Supply: 110-240V, 50/60Hz (factory set) 
Power Transformer: Specially designed toroidal transformer for power supply 
Output Transformer: Two wide-bandwidth EI output transformers 
Dimensions (W x H x D): 420 x 195 x 382 mm (16.5 x 7.7 x 15.0 inches) 
Weight: Approx. 26.2 kg (57.8 lbs)