The McIntosh C-22 represents a significant piece of audio engineering, originating from its initial production era. As a component audio preamplifier, it is characterized by its vacuum tube power supply and a control interface featuring rotary knobs and switches. This model is renowned for its quality and reliability, embodying the distinctive McIntosh approach to sound reproduction. The C-22 is designed for discerning audio enthusiasts seeking a classic and high-fidelity listening experience.

This service manual provides comprehensive guidance for the McIntosh C-22, focusing on its chassis and electrical systems. It includes numerous illustrations, schematics, and technical information essential for maintenance and repair. Covered procedures include tube replacement, cleaning of contacts, and calibration, alongside detailed troubleshooting guidance. This manual is an indispensable resource for owners, technicians, and enthusiasts aiming to preserve the optimal performance and longevity of their McIntosh C-22 preamplifier.