Brand: Quad
The Quad 520 is a high-performance integrated amplifier that was produced by the British audio company Quad in the late 1980s. It features a classic push-pull Circuit Topology design, which is known for producing clean and powerful sound with a wide dynamic range. The 520 offers a maximum output power of 90 watts per channel into 8 ohms, making it suitable for driving a variety of speaker loads. Other notable features include a voltage-regulated power supply, a high-gain voltage amplifier stage, and a symmetrical output stage with parallel push-pull transistors. The Quad 520 is regarded as a highly desirable and collectible piece of audio equipment by audiophiles and music enthusiasts, known for its rich, detailed, and engaging sound.