QSC Audio ISA 280 User Manual

Page of 56
3
EN
Introduction
Thank you for purchasing this QSC power amplifier. Please read the following directions to obtain the best results.
Key Features:
•ISA 280, 450, 750, and 1350 models: 2 channels at 2 ohms (min.) impedance, bridgeable into 4 ohms (min.) impedance.
•ISA “Ti” models: low impedance outputs and isolated 70V or 100V for distributed audio systems, bridgeable for 140V and 200V.
•QSC DataPort V2 connects to optional QSC signal processing accessories and amplifier monitoring systems. 
•Mode switches Stereo, Bridge Mono, and Parallel Input operation. 
• Independent Clip Limiter and Low Frequency Filter settings for each channel.
•ISA 1350 equipped with front panel Protect mode LED indicator.
•QSC durability and performance.
1- Cooling Air Exhaust Vents
2- Power On Indicator (ISA 1350 has Protect LED also)
3- Power Switch
4- Clip and Signal Presence Indicators for each channel
5- DataPort V2 Connector
6- Terminal block input connectors
7- Gain Controls
8- XLR input Connectors (locking)
9- Mode Switches (Clip Limiter, Operating Mode, Low-Frequency Filters)
10- Mode Switch Settings
11- Bridge Mode Switch Settings and Notes
12- Cooling Air Intake
13- Output Connectors (Ti model shown)
14- Tabs for Securing Output Wires
15- Serial Number Decal
16- AC Power Circuit Breaker (ISA 1350 has two breakers)
17- IEC Power Connector
18- Mounting Holes for Optional Handles
Unpacking
Factory packed carton contains:
• the amplifier
• this User Manual
• IEC-type detachable power cord
Use the same type carton when shipping the amplifier.
• rear rack ear mounting kit
• 3-pin terminal block connectors (2)
• rubber feet for non-rack mount installations (4)