Cayin Soul P 170 Black

Product Description
The Cayin Soul 170P is a flagship Class A push-pull tube power amplifier featuring powerful TUNG-SOL KT170 tubes for outstanding musicality and control. It can operate in either stereo or mono mode, and includes dynamic auto-bias, selectable negative feedback, and robust protection circuitry. Premium hand-wired point-to-point construction and high-grade components deliver pure, engaging sound suited for advanced HiFi systems. :contentReference[oaicite:2]{index=2}

Specifications
Stereo Mode Output (Ultralinear): 60W per channel
Stereo Mode Output (Triode): 32W per channel
Mono Mode Output (Ultralinear): 120W per channel
Mono Mode Output (Triode): 64W per channel
Tube Complement: 4 x TUNG-SOL KT170
Voltage Amplifier Tubes: 2 x 12AU7 / ECC82
Driver Tubes: 2 x 6SN7
Rectifier Tube: 1 x 17AX4GT
Frequency Response: 8Hz-70kHz (-3dB)
Total Harmonic Distortion: 0.2% (1W / 1kHz), <2% at rated power
Signal-to-Noise Ratio: 105dB (RCA, A-weighted), 102dB (XLR, A-weighted)
Input Sensitivity: 820mV (NFB: LOW), 960mV (NFB: HIGH)
Input Impedance: 18kΩ
Output Impedance: 4Ω, 8Ω
Input Terminals: 1 x RCA (pair), 1 x XLR (pair)
Dimensions (W x D x H): 430mm x 420mm x 238mm
Weight: 37.5kg
Maximum Power Consumption: 420W

Features and Connectivity
Class A push-pull architecture with four KT170 power tubes for rich, controlled sound reproduction.
Selectable negative feedback (Low / High) to tailor tonal balance.
Dynamic auto-bias system for easy tube handling and extended tube life.
Soft-start circuit and MCU protection logic for safe operation.
Balanced XLR and unbalanced RCA inputs with support for 4Ω and 8Ω speaker loads.
Hand-wired point-to-point construction and silver-plated internal wiring for optimal signal integrity.