This service manual covers the Luxman MQ-68C Tube Power Amplifier, designed for high-fidelity audio reproduction. It details the engineering and construction of this amplifier, emphasizing its quality and reliability for discerning audio enthusiasts. The MQ-68C represents a significant achievement in tube amplifier design, offering exceptional sonic performance.

This manual provides comprehensive technical information essential for the maintenance and repair of the Luxman MQ-68C. It includes detailed sections on chassis and electrical components, wiring diagrams, numerous illustrations, and schematics. The scope of this document is to serve as the most complete resource available for technicians and owners seeking to understand, maintain, or service this premium audio component.