Exposure has been perfecting the art of creating real Hi-Fi for real music lovers since 1974. Designed, engineered and proudly manufactured in Britain by a talented team of audio engineers who are passionate about the reproduction of music. Features Large 200W custom-made toroidal power transformer High quality all aluminium casework and extruded front panel High quality resistors & capacitors used in the signal path Cascode circuitry utilised for improved power supply immunity Toshiba bipolar output transistors for dynamics and performance 80W per channel into 8 Ohms Unbalanced & balanced input selectable by internal link DC coupled throughout Electronic, non invasive current overload protection Bi-wire speaker outputs using high quality shrouded sockets Three year guarantee Available in black or titanium Exposure's Hi-Fi components are crafted to exacting standards, offering exceptional value. Their design philosophy prioritizes accurate music reproduction across all genres while maintaining a discreet aesthetic. Known for their user-friendliness and ease of maintenance, Exposure's products deliver precise sound quality. These components provide listeners with an outstanding audio experience, characterized by delicate upper ranges, open mid-range, and deep, agile bass, making them an excellent investment for music enthusiasts. Mono Power Amplifiers The Exposure XM9 Mono Power Amplifier features a premium all-aluminum case and extruded front panel. It includes a robust 200W custom-made toroidal power transformer and high-quality resistors and capacitors in the signal path. With a power output of 80W per channel into 8 ohms, it offers selectable unbalanced and balanced inputs via an internal link meaning a cleaner sound and stronger signal. This half width pair of mono amplifiers is the perfect match for the Exposure XM7 Preamplifier. Specifications Power Output (1kHz): 80W per channel into 8 Ohms Frequency Response: 20Hz – 20kHz ±0.5dB Total Harmonic Distortion: 95dB Input Sensitivity, Unbalanced: Ref 1kHz & rated output, 1.6V RMS Input Impedance, Unbalanced: >77k Ohms Mains Supply: 110/120V or 220/240V, 50/60Hz (factory set) Fuse: T5AL for 110/120V units; T2.5AL for 220/240V units Power Consumption: 200W Dimensions (HxWxD): 89mm × 218mm × 348mm Net Weight: 5kg Gross Weight: 6kg