Do you have a question about the Adcom GFA-555 Pro and is the answer not in the manual?
Instructions for inspecting the amplifier upon unpacking and handling potential shipping damage.
Guidelines for proper placement and ventilation to ensure optimal performance and cooling.
Details on connecting input and output cables, including speaker wire gauge and phasing.
Instructions for setting up and connecting the amplifier for bridged (mono) operation.
Explanation of the amplifier's protection mechanisms, including circuit breakers and thermal cutoffs.
Critical safety precautions, including avoiding electrical shock and RF detection, to prevent damage and voiding warranty.
Discusses the design philosophy and unique features of the GFA-555, such as the Instantaneous Distortion Alert.
Guidance on cleaning the amplifier's front panel and troubleshooting fuse issues.
Information on contacting ADCOM technical service for support and procedures for returning the unit.
Information about the ADCOM Limited Warranty, its terms, limits, and user responsibilities.