The Sansui AU-α 507 R is an integrated amplifier that exhibits a balance of power, clarity, and sophistication in its design. It features a twin power amplifier configuration, which contributes to its ability to deliver a high output power of 100 watts per channel at 8 ohms. This model employs a direct-coupled output for enhanced linearity and a low-frequency extension. The amplifier is known for its wide frequency response, typically spanning from 10 Hz to 100 kHz, ensuring a comprehensive audio reproduction. Additionally, it includes tone controls for bass and treble adjustments and a loudness switch, allowing users to customize their listening experience according to their preferences. With a total harmonic distortion (THD) specification of 0.03%, it maintains a clean and undistorted audio signal across various listening levels. The AU-α 507 R supports multiple input sources, including phono inputs for vinyl playback and a unique switching mechanism for seamless transitions between source components. Its build quality showcases a robust chassis that minimizes interference and vibration, further enhancing audio fidelity. The aesthetics feature a classic design with a brushed aluminum front panel and sturdy knobs, making it an attractive addition to any audio setup.
