The Adcom GFA-585 is a high-performance power amplifier designed for audiophile applications. Engineered for exceptional sound reproduction and robust reliability, this unit delivers superior audio quality. Its advanced design incorporates meticulously selected components to ensure optimal performance and longevity, making it a distinguished choice for discerning audio enthusiasts seeking an unparalleled listening experience.

This service manual provides comprehensive technical information for the Adcom GFA-585 power amplifier. It details essential procedures for testing, troubleshooting, and repair, including a thorough parts list and typical performance data. The manual covers all major internal components, from audio input and driver boards to AC input, filter capacitors, and output stages, along with schematic diagrams. This resource is intended to assist owners, technicians, and service professionals in maintaining the peak operational condition of the GFA-585.