เครื่องขยายเสียง ยี่ห้อ QSC รุ่น ISA500Ti
Features:
- High output stereo power amplifier low-impedance contractor installation applications
- Built-in 70V transformer with 25, 70, 100V and low-impedance outputs available simultaneously
- Fully isolated 25, 70, and 100V outputs, barrier strip connection determines output mode
- Rear panel gain controls for tamper resistant operation with 2 dB detents for quick and repeatable settings
- DataPort V2 HD-15 connector for use with DPV2-compatible external signal processing accessories
- Full short circuit, open circuit, thermal, ultrasonic and RF protection
- Independent defeatable clip limiters for reduced distortion, selectable 30 Hz or 70 Hz high-pass filters protect speakers and prevent speaker transformer saturation
- Front panel indicators include power, signal, and clip; Stereo, Bridge and Parallel operating modes
- Automatic variable-speed fan for quiet normal operation with maximum cooling, rear-to-front air flow
- XLR and detachable Euro style input connectors, covered barrier strip output connectors with full safety agency compliance
Specifications
| Power Rating | 8 ohms Stereo: 260W 4 ohms Stereo: 425W 2 ohms Stereo: 700W XF Stereo 70V: 500W XF Stereo 25V: 300W Bridged 8 ohms: 900W |
| Damping Factor | >200 @ 8 ohms |
| Input Sensitivity | 1.07Vrms |
| Input Impedance | 10 kOhm/20 kOhm (unbalanced/balanced) |
| Gain | 33dB |
| Frequency Response | 20Hz to 20kHz, +/-1dB |
| Signal-to-Noise Ratio | 100dB (20 Hz – 20 kHz) |
| Total Harmonic Distortion (THD) | <0.03%, 4 and 8 ohms, 20 Hz – 20 kHz, 10 dB below rated power |
| Input Connections | 2 x 3-pin XLR Female, Balanced 2 x 3-pin Detachable EuroBlock 1 x HD-15 DataPortV2 |
| Output Connectors | 2 x Covered Barrier Strips |
| Controls Front Panel | 1 x Power Switch |
| Controls (Rear) | 1 x 10-Position DIP Switch Set 2 x Ch.1, 2 Gain Knobs |
| Indicators | 2 x Red Clip LED 2 x Green Signal LED 1 x Green Power LED |
| Cooling | Continuously variable speed fan, back-to-front air flow |
| Power Consumption | 0.5A at idle 3.7A at 1/8 Power, 8 ohms 9.3A at 1/8 Power, 2 ohms |
| Dimensions | 19 x 5.25 x 15.9″ (483 x 133 x 400mm) |
| Weight | 42 lb (19 kg) |
| Specialties | Stable into reactive or mismatched loads Rear Panel Controls Comprehensive Protection Circuitry |
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