This manual provides operational instructions and setup guides for the dbx AFS 224 audio processor, covering installation, connection, and filter configuration.
The dbx AFS 224 is a dual-channel high-order adaptive feedback suppression processor designed to eliminate acoustic feedback in professional sound systems. It features up to 24 programmable filters per channel with selectable Q values and bandwidths for music or speech applications.
This document details the installation requirements, front and rear panel connections using XLR or TRS connectors, and power supply setup. It also explains how to configure the device's operating modes, including selecting between Music and Speech profiles, adjusting filter counts, and managing active versus fixed filters. This manual is written in Chinese.
You can use multiple balanced or unbalanced outputs as long as the total load does not exceed 600 ohms.
The processor can accept a maximum input signal of +20dBu (ref: 0.77Svrms).