DOD SR 231QX, SR 430QX, SR 431QX, SR 830QX, SR 831QX User Manual

SR Series Equalizers
Owner’s Manual
A Harman International Company
• SR 231QX
• SR 430QX
• SR 431QX
• SR 830QX
• SR 831QX

DOD SR 231QX, SR 430QX, SR 431QX, SR 830QX, SR 831QX Specifications

General

Models	SR231QX, SR430QX, SR431QX, SR830QX, SR831QX
Frequency Response	20Hz-20kHz
Total Harmonic Distortion	0.05% (1kHz)
Signal-to-Noise Ratio	90dB
Power Supply	100-240 VAC, 50-60 Hz

Summary

General Warnings and Safety

Electrical Hazard and Cautionary Symbols

Explains symbols for electrical hazards, user serviceability, and water hazards.

European Specific Safety Information

European Electrical Safety and Symbols

Details electrical safety symbols and precautions for European users.

European Power Cord and Protection Guidelines

Important Protection Guidelines

Covers protection against water, power sources, grounding, and servicing.

Applications of SR Series EQ's

Sound Reinforcement Applications

Explains using EQ for tuning systems, feedback control, amp/speaker protection, and intelligibility.

Operation and Panel Functions

Front Panel Controls

Describes Power Switch, Equalizer Sliders, Input Level Control, and switches.

Maintenance, Specifications, and Important Notes

Input/Output Jack Usage Warning

Warns against using both balanced and unbalanced jacks simultaneously.

Product Specifications

Lists technical specifications including frequency response, levels, and dimensions.

DOD Warranty Information

Warranty Registration and Coverage