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The new Cayin Soul 170HA is a transformer-coupled single-ended Class A Headphone and integrated amplifier. The output from the KT170 will drive a pair of output transformers that support both headphone and speaker outputs.
The vacuum tube amplification circuit of Soul 170HA is operated in a single-ended, the output transformers provide an alternative phase and compose a balanced output, enabling a balanced driven from a single-ended vacuum tube circuit.
The Soul 170HA features a high-efficiency outboard power supply circuit with substantial power reserves, delivering an authoritative headphone output of up to 18WPC, ushering headphones into a new realm of personal listening experience.
The Soul 170HA is physically separated in a two box design. The outboard power supply delivers clean, low-noise electrical power to the amplification circuit in a separated chassis independently. It also provides better heat dissipation even when stacked up, allowing the users to place the amplifiers with flexibility.
Dual power supply transformers deliver high and low voltage separately, minimize electrical interference, and safeguard clean power to the amplifier.
Multi-stage tube-regulated power supply circuit feeds power to different amplification stages independently. It can minimize ripple effect, eliminate circuit interference, and enhance circuit performance of both the voltage and current amplification.
The separated high-rigidity chassis and damping mounts absorb shock and vibrations effectively, isolating noise interference caused by transformer vibrations and magnetic leakage to achieve a higher SNR.