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Cayin HA-300 MK3 – Flagship Tube Headphone & Speaker Amplifier
Whether driving demanding full-size headphones, sensitive IEMs or high-efficiency loudspeakers, the Cayin HA-300 MK3 brings traditional 300B tube amplification into a versatile modern listening system.
Technical Specifications
Tube Configuration
Power Tubes: 2 × Genalex Gold Lion PX300B
Voltage Amplification Tubes: 2 × JJ 6SN7
Rectifier Tubes: 2 × JJ GZ34 / 5AR4
Headphone Amplification
4-Pin XLR Balanced Output: 6,500mW + 6,500mW
6.35mm Single-Ended Output: 6,000mW + 6,000mW
4.4mm Balanced Output: 1,600mW + 1,600mW
Headphone Impedance Matching:
Low: 8–65Ω
Medium: 65–300Ω
High: 300–600Ω
Frequency Response: 12Hz–35kHz (±3dB)
Total Harmonic Distortion: Less than 1% (1kHz, 1,500mW)
Signal-to-Noise Ratio: 100dB (A-weighted)
Speaker Amplification
Output Power: 8W + 8W
Supported Speaker Impedance: 4–8Ω
Frequency Response: 10Hz–35kHz (±3dB)
Signal-to-Noise Ratio: 102dB (A-weighted)
Connectivity
Analog Inputs: 1 × Stereo RCA, 1 × Stereo XLR
Headphone Outputs: 4-Pin XLR, 4.4mm Pentaconn, 6.35mm
Speaker Outputs: Speaker Binding Posts
Premium Components
Third-Generation Wide-Bandwidth EI Output Transformers
Third-Generation Toroidal Power Transformer
DUELUND Coupling Capacitors
Low-Noise Regulated Voltage Amplification Stage
Point-to-Point Hand Wiring
Physical Specifications
Main Amplifier Dimensions: 286 × 368 × 205mm (W × D × H)
Main Amplifier Weight: 16.8kg
Power Supply Dimensions: 159 × 345 × 205mm (W × D × H)
Power Supply Weight: 10kg
Total System Weight: Approximately 26.8kg
Maximum Power Consumption: 160W
What's in the Box
Cayin HA-300 MK3 Main Amplifier
Separate Power Supply Unit
2 × Genalex Gold Lion PX300B Vacuum Tubes
2 × JJ 6SN7 Vacuum Tubes
2 × JJ GZ34 / 5AR4 Rectifier Tubes
Power Cable
Accessories and Documentation
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