The McIntosh MC275 is a classic vacuum tube amplifier that has captured the attention of audio enthusiasts since its introduction. It operates in a push-pull configuration and utilizes a set of eight vacuum tubes (four 6L6GC output tubes and four 12AX7 drivers) to produce a rich, warm sound characteristic of tube amplification. The amplifier is known for its striking aesthetics, featuring a polished stainless steel chassis, illuminated meters, and a unique glow from the tubes when powered on. The MC275 is rated at 75 watts per channel into 2, 4, or 8 ohms, offering versatility for various speaker types. It has a frequency response of 20 Hz to 20 kHz and an excellent signal-to-noise ratio, ensuring that it reproduces sound with clarity and minimal distortion. This amplifier also includes advanced features such as McIntosh's autoformers – allowing for consistent performance regardless of the load impedance. With its vintage appeal and modern performance enhancements, the MC275 continues to be a favorite among those seeking high-quality audio reproduction.