P R O F E S S I O N A L P O W E R A M P L I F I E R S
The ISA Installed System Amplifiers are designed to meet the needs of sound system designers and contractors worldwide. Three models feature isolated 25-,70-,and 100-volt outputs for distributed sound systems, while four low-impedance models areratedfor2-ohmoperation.The ISA1350drives 70V lines directly with 1500 watts per channel. Versatile loading options and a comprehensiveset of features make the ISA Series a rugged, costeffective power solution for any permanently installed sound system.
ISA Features
•Four models for low-impedance applications
•ISA 1350 drives 70V lines directly with 1500 watts / channel
•Three“Ti”versions include low-impedance and isolated 25-,70-,and 100-volt outputs for distributed audio systems
•Rear panel gain controls for tamper resistant operation with 2-dB detents for quick and repeatable settings
•XLR and detachable Euro style input connectors
•DataPort V2 for use with DPV2-compatible signal processing accessories (XC-3,SF-3, LF-3) and DSP-3/DSP-4 (with external power supply)
•Independent defeatable clip limiters for reduced distortion
•Selectable high-pass filters protect speakers and prevent speaker transformer saturation with minimal effect on program material (30 Hz or 70 Hz on non-”Ti” models,50 Hz or 75 Hz on“Ti”models)
•Class H complementary bipolar output circuitry reduces AC power draw and waste heat by 40% on ISA 750 and 800Ti,and by 50% on ISA 1350
•Front panel indicators include power,signal,and clip (and protect on ISA 1350)
•Covered barrier strip output connectors for safety agency compliance
•Automatic variable-speed fan for quiet normal operation with maximum cooling on demand
•Rear-to-front air flow keeps equipment racks cool
•Stereo,Bridge,or Parallel operating modes
•Comprehensive protection circuitry including DC,infrasonic,thermal overload, and short circuit protection
•3-year warranty plus optional 3-year extended service contract
“Ti” Models
•Isolated 25-,70-,100-volt,and low-impedance outputs available simultaneously
•Simple barrier strip connection determines output mode
•“Ti”models have fully isolated 25-,70-,and 100-volt outputs
Model |
|
Watts per channel |
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ISA |
70V* |
8Ω ** |
4Ω ** |
2Ω † |
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|
|
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|
|
|
280 |
• |
185 |
|
280 |
|
430 |
450 |
• |
260 |
|
425 |
|
700 |
|
|
|
|
|
|
|
750 |
• |
450 |
|
650 |
|
1200 |
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|
1350 |
1500†† |
800 |
|
1300 |
|
2000 |
300Ti |
300 |
185 |
|
280 |
|
430 |
|
|
|
|
|
|
|
500Ti |
500 |
260 |
|
425 |
|
700 |
800Ti |
800 |
450 |
|
650 |
|
1200 |
|
|
|
|
|
|
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* 50 Hz–16 kHz, 0.5% THD ** 20 Hz–20 kHz, 0.1% THD |
† 1 kHz, 1% THD |
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†† Direct Output, 70V, less than 0.1% THD, 20-20kHz, +0/-0.3dB
1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174 www.qscaudio.com • email: info@qscaudio.com
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