The McIntosh MC-2105 is a vintage audio amplifier, renowned for its robust engineering and reliable performance. This stereo amplifier delivers 105 Watts per channel with a total harmonic distortion of 0.1%, offering a frequency response from 20Hz to 20,000Hz. Designed to drive speaker impedances of 4, 8, or 16 ohms, the MC-2105 is a testament to McIntosh's commitment to audio excellence. Its substantial build, measuring 17-7/16 inches wide, 5-7/16 inches high, and 15-9/16 inches deep, and weighing 48 lbs, reflects its high-quality construction.

This original service manual provides comprehensive documentation for the McIntosh MC-2105, serving as an essential resource for maintenance and repair. It covers critical areas including chassis and electrical systems, detailed wiring diagrams, and numerous illustrations and schematics. The manual addresses common issues such as component aging and outlines procedures for bias adjustment. It emphasizes the use of McIntosh Genuine Parts for servicing, which is recommended as needed. This English language manual is designed to assist owners, technicians, and enthusiasts in preserving the optimal performance and longevity of their MC-2105 amplifier.