QSC ISA1350 | 2 Channels Commercial Power Amplifier
QSC ISA1350 2 Channels Commercial Power Amplifier
ISA1350 Commercial Power Amplifier
Key Features
- Drives 70V lines directly with 1500 watts per channel
- Rear panel gain controls for tamper resistance; 2-dB detents allow 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 (30 Hz or 70 Hz) protect speakers and prevent speaker transformer saturation, with minimal effect on program material
- Three-tier Class H complementary bipolar output circuitry reduces AC power draw and waste heat by 50%
- Front panel indicators include power, signal, clip and protect
- Covered barrier strip output connectors for safety agency compliance
- Automatic on-demand variable-speed fan: quiet normal operation, with maximum cooling when needed
- Rear-to-front air flow helps keep equipment racks cool
- Stereo, bridge, or parallel operating modes
- Comprehensive protection circuitry including DC, infrasonic, thermal overload, and short circuit protection
Technical Specifications
OUTPUT POWER PER CHANNEL, STEREO MODE, both channels driven
8, 20 Hz-20 kHz 0.1% THD: 800 W
4, 20 Hz-20 kHz 0.1% THD: 1300 W
2 1 kHz 1% THD: 2000 W
DIRECT POWER PER CHANNEL, STEREO MODE
70V, 20 Hz-20 kHz +0/-0.3 dB 0.5% THD: 1500W
OUTPUT POWER, BRIDGED MONO MODE
8, 1 kHz 0.1% THD: 2800 W
4 1 kHz 1% THD: 4000 W
Signal to Noise (20 Hz-20 kHz): 100 dB
Distortion (SMPTE-IM): Less than 0.02%
Input Sensitivity @ 8 ohms: 1.07 V (+2.8 dBu)
Maximum Voltage Gain: 56.2× (35 dB)
Output Circuitry: Class H, 2 tier
Damping Factor with 8? Load (direct outputs): Greater than 200; ISA 1350 greater than 250
Output Regulation (isolated outputs): Less than 1.5 dB
Input Impedance: 10 k unbalanced, 20 k balanced
Input Clipping: 10 V rms (+22 dBu)
Cooling: Continuously variable speed fan, back-to-front air flow
Controls:
Front: AC switch
Rear: Ch. 1 and Ch. 2 gain knobs, 10-position DIP switch
Indicators:
PWR-ON: Green LED; SIGNAL: Green LED (1 per channel);
CLIP: Red LED (1 per channel)
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