Adcom GFA-555se High-Current Power Amplifier Owner's Manual

About this manual

The document serves as an operating guide for the Adcom GFA-555se High-Current Power Amplifier. It includes instructions on unpacking, installing, and connecting the unit, along with descriptions of the front and rear panels.

Key features highlighted include precision-matched devices, independent power supplies for each channel, a custom toroidal power transformer, and high-quality gold-plated binding posts and RCA/XLR jacks.

What's inside

• Safety Information
• Description of Unit Features
• Warranty Information
• Unpacking the GFA-555se
• Installing the GFA-555se
• Connecting the GFA-555se
• Stereo/Bridged Mono Input/Output
• Front and Rear Panel Diagrams
• Troubleshooting
• Specifications

Specifications

Frequently asked questions

What precaution must be taken before making connections to the amplifier?

The AC cord must be disconnected from the wall outlet and the amplifier left unplugged for at least five minutes to ensure its filter capacitors are discharged.

What type of wire should be used as a ground wire for an outside antenna?

You must use No.10 AWG copper, No.8 AWG aluminum, No.17 AWG copper clad steel or bronze wire, or larger.

How far apart should stand-off insulators be spaced when securing antenna wires to the house?

Stand-off insulators must be spaced from 46 feet (1.22-1.83 m) apart.