Technics SA-401

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The Technics SA-401 is a high-fidelity stereo integrated amplifier that was released by Panasonic in the late 1970s. It features four line-level inputs, a phono input for turntables, and a headphone jack. The amplifier delivers 45 watts per channel (2 channels) into 4 ohms, and has a frequency response of 20 Hz to 50 kHz (+0, -3 dB). The SA-401 also includes a balanced input and output stage for low-noise operation, as well as a tone control circuit for fine-tuning of bass and treble. The design of the amp employs a high-radiant special iron core transformer for excellent noise rejection, and the dual power supply enables stable high-level performance, even at low signal levels. Overall, the Technics SA-401 is a highly regarded classic amplifier among audiophiles, known for its highly detailed and articulate sound signature, and its ability to deliver high power with low distortion.