QSC ISA 280 User Manual
Installed sound professional audio amplifiers
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Also See for ISA 280:
- Technical & service manual (142 pages) ,
- User manual (56 pages) ,
- Specifications (2 pages)
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Summary of Contents for QSC ISA 280
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Page 1: Isa 800Ti
Installed Sound Professional Audio Amplifiers • ISA 280 • ISA 450 • ISA 750 • ISA 1350 • ISA 300Ti User Manual • ISA 500Ti • ISA 800Ti Manual del Usario Manuel de l’utilisateur Bedienhandbuch 用户手册 *TD-000136-00* TD-000136-00 Rev.C... - Page 2 © Copyright 2003, 2004, QSC Audio Products, Inc. QSC® is a registered trademark of QSC Audio Products, Inc. “QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office All trademarks are the property of their respective owners.
- Page 3 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.
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Page 4: Rack Mounting
Do not block the rear intake or front air vents! Air flow in QSC amplifiers: Cool air is drawn into the rear of the amplifier by the cooling fan. Warm air exits the front of the amplifier. -
Page 5: Selecting Stereo, Parallel, Or Bridge Mode
LEFT position. Setting Low Frequency Filters Ti Low Frequency Filter- Low Frequency Filter- ISA 280, ISA 450, ISA 750 and ISA 1350: Switch 2 controls CH1. Use of the Low Frequency Filters is recom- Switches 2 and 3 con- Switch 9 controls CH2. -
Page 6: Direct Low Impedance Outputs
Inputs Balanced Terminal Block inputs: Strip the wire ¼ inch (6 mm) and connect to Each channel has a balanced XLR and terminal block input. The the plug as shown. Be sure to tighten input impedance is 20k ohm balanced or 10k ohm unbalanced. the screws firmly. - Page 7 If the amplifier is being used in a system monitored signal will be 10 dB down from the through a QSC cinema monitor (or other QSC DataPort V2 signal applied to the DataPort. supporting product) CH1 and CH2 output voltages and AC...
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Page 8: Led Indicators
LED Indicators The LED indicators can be used to monitor system operation and identify common problems. POWER: A single GREEN LED, on left side of AC Power switch. Normal indication: AC switch ON: LED will illuminate. If no indication: Check AC power cord and AC outlet. Power on indicator. -
Page 9: Specifications (All Models)
Input: (2) 3-pin terminal block and (2) XLR Output: screw terminal barrier strip Control & Monitoring: (1) QSC DataPort V2 POWER REQUIREMENTS Refer to voltage specified on rear panel serial number label. Configured at factory for 100, 120 or 230 VAC, 50- 60 Hz. - Page 10 Specifications: ISA 280, ISA 450, ISA 750, and ISA 1350 OUTPUT POWER in watts ISA280 ISA 450 ISA 750 ISA 1350 FTC: 8 ohms, 2 channels driven (20 Hz - 20 kHz, 0.1% THD) 4 ohms 2 channels driven 1300 (20 Hz - 20 kHz, 0.1% THD)
- Page 11 Specifications: ISA 300Ti, ISA 500Ti, and ISA 800Ti OUTPUT POWER in watts ISA 300Ti ISA 500Ti ISA 800Ti FTC: 8 ohms, 2 channels driven (20 Hz - 20 kHz, 0.1% THD) 4 ohms 2 channels driven (20 Hz - 20 kHz, 0.1% THD) EIA: 16 ohms, 1 channel driven (1 kHz, 0.1% THD)
- Page 12 Warranty (USA only; other countries, see your dealer or distributor) Disclaimer QSC Audio Products, Inc. is not liable for any damage to speakers, or any other equipment that is caused by negligence or improper installation and/or use of this amplifier product.
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