QSC Audio ISA 300T, ISA 500T, ISA 800T user manual

User Manual

ISA Audio Power Amplifiers

ISA Series

Installed

Sound

Amplifiers

TD-000093-00 rev.C

*TD-000093-00*

nISA 300T

nISA 500T

nISA 800T

nISA 280

nISA 450

nISA 750

Contents

Main *TD-000093-00* FCC INTERFERENCE STATEMENT CAUTION IMPORTANT SAFETY PRECAUTIONS & EXPLANATION OF SYMBOLS WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. TABLE OF CONTENTS FRONT PANEL INTRODUCTION- Page Page FEATURES & SETUP- If no indication: Fully illuminated (on): Illuminated most of the time: Occasional illumination: FEATURES & SETUP- GAIN CONTROLS- FEATURES & SETUP- DATAPORT V2- What It Is- FEATURES & SETUP- PARALLEL: single input signal How to use PARALLEL mode: STEREO: FEATURES & SETUP- SETTING THE DIP SWITCHES FOR STEREO OR PARALLEL MODE- non-T models SETTING THE DIP SWITCHES FOR STEREO OR PARALLEL MODE- T models Page FEATURES & SETUP- SETTING THE FILTER DIP SWITCHES- If operating in BRIDGE MODE- Differences Between T & non-T Models: The low frequency filter is always active and is not defeatable. Page Page INSTALLATION: NOTE: Rack mounting of amplifier is optional. Securing the Front Ears to the Rack Rails ISA Rack Mounting Supporting the Rear of the Amplifier INSTALLATION: FAN COOLING- Air flow in QSC amplifiers OPERATING VOLTAGE (AC mains)- Page CONNECTIONS: How to Connect to the DataPort V2: Basic Operation Notes: CONNECTIONS: GENERAL- RECOMMENDED TONGUE TERMINAL SIZE- STACKING OF TONGUE TERMINALS- CONNECTIONS: BRIDGE MODE PRECAUTIONS: Do not place speaker cables next to input wiring. Direct Low Impedance Output Connections- STEREO or PARALLEL Mode: Page Page Page Page OPERATION: NORMAL OPERATING LEVELS AC POWER SWITCH FRONT PANEL LED INDICATORS APPLICATIONS: General ISA Application Information- Distributed Line Principles (T models only) APPLICATIONS: Low frequency filtering is always active on the T models. Low Frequency Filtering for 70-100V Systems- 25 Volt, two-zone example: Distributed Output Application Examples- APPLICATIONS: 70 Volt, two-zone example: OUTPUT TERMINAL SAFETY WARNING! Page Page APPLICATIONS: INDICATION: TROUBLESHOOTING: INDICATION: INDICATION: INDICATION: Page SPECIFICATIONS ISA 280 ISA 450 ISA 750 in watts FTC: EIA: Bridged Mono: SPECIFICATIONS ISA 280 ISA 450 ISA 750 @ 120 VAC, typical (both channels driven) SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Page SPECIFICATIONS ISA 300T ISA 500T ISA 800T @ 120 VAC, typical (both channels driven) in Amperes SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Disclaimer Product Warranty WARRANTY INFORMATION & HOW TO CONTACT QSC