QSC ISA500Ti 2-Channel Commercial Power Amplifier, 500W at 70V/100V

OUR PART #: ISA500TI MFR #: ISA500TI

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Designed as a cost-effective solution specifically for sound contractors, the ISA500TI has isolated 25, 70 and 100 volt outputs for distributed audio systems... ...Read more

QSC ISA500Ti 2-Channel Commercial Power Amplifier, 500W At 70V/100V Image 1
QSC ISA500Ti 2-Channel Commercial Power Amplifier, 500W At 70V/100V Image 2
QSC ISA500Ti 2-Channel Commercial Power Amplifier, 500W At 70V/100V Image 3
QSC ISA500Ti 2-Channel Commercial Power Amplifier, 500W At 70V/100V Image 4
QSC ISA500Ti 2-Channel Commercial Power Amplifier, 500W At 70V/100V
Our Price: $1,245.00

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Product Overview

Designed as a cost-effective solution specifically for sound contractors, the ISA500TI has isolated 25, 70 and 100 volt outputs for distributed audio systems, and a comprehensive feature set to make it a rugged, cost-effective power solution for any permanently installed sound system. Unique among distributed sound power amplifiers, the ISA500TI will drive 8- or 4-ohm loads and a distributed system on the same channel simultaneously. This enables a contractor to reduce the number of required amplifier channels by allowing a limited number of distributed speakers to be attached to the same amp as is powering the main sound system. Housed in a rugged 3-U chassis, all seven models feature rear panel gain controls for tamper resistant operation with 2 dB detents for quick and repeatable settings. Inputs include both XLR and detachable Euro-style connectors. Outputs feature covered barrier strip connectors for safety agency compliance, and for added versatility, a DataPort V2 (Version 2) terminated with an HD-15 connector is provided for use with DPV2-compatible signal processing accessories such as the XC-3 Crossover, SF-3 Subwoofer Filter, LF-3 Low Frequency Filter and the DSP-3 with external power supply. Selectable high-pass filters are included to protect speakers and prevent speaker transformer saturation with minimal effect on program material. The ISA500TI provides additional protection circuitry including DC, infrasonic, thermal overload, RF and short circuit protection.

Features

  • 500W stereo for 70V/100V systems, 260W @ 8 ohms
  • 3RU chassis with rear-mounting gain controls
  • Independent, defeatable clip limiters reduce distortion
  • Selectable high-pass filters protect against transformer saturation and driver over excursion
  • Includes extensive DC, infrasonic, thermal overload, and short circuit protection

Specifications

  • 8 ohms 20Hz-20kHz 0.1% THD: 260W
  • 4 ohms 20Hz-20kHz 0.1% THD: 425W
  • 2 ohms 1kHz 1% THD: 700W
  • 70V or 100V 50Hz-16kHz 0.5% THD: 500W
  • 25V 50Hz-16kHz 0.5% THD: 300W
  • Bridged Mono 8 ohms 1kHz 0.1% THD: 900W
  • Bridged Mono 4 ohms 1kHz 1% THD: 1400W
  • 140V or 200V 50 Hz-16kHz 0.5% THD: 1000W
  • Signal to Noise (20Hz-20kHz): 100 dB
  • Distortion (SMPTE-IM): < 0.01%
  • Input Sensitivity @ 8 ohms: 1.07v (+2.8 dBu)
  • Voltage Gain @ 8 ohms: 44.7x (33 dB)
  • Output Circuitry: Class AB
  • Distortion (Typical):
    • 20 Hz-20 kHz: 10 dB belowrated power: Less than 0.03% THD, 4 ohms and 8 ohms
    • 1.0 kHz and below: full rated power: Less than 0.03% THD, 4 ohms and 8 ohms
  • Frequency Response, 10dB below rated output power: 20Hz-20kHz, +0/-1dB, -3dB points: 5 Hz + 50 Hz
  • Damping Factor (Direct Outputs): > 250 @ 8 ohms
  • Output Regulation: < 1.5 dB
  • Input Impedance: 10 k ohms unbalanced, 20 k ohms balanced
  • Input Clipping: 10 Vrms (+22 dBu)
  • Cooling: Continuously variable speed fan, back-to-front air flow
  • Connectors, each channel:
    • Input: Active balanced;3-pin Euro-style detachable terminal block and XLR (pin2+)
    • Output: Covered barrierstrips
    • DataPort V2: HD-15 connector
  • 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 RedLED (1 per channel)
  • Amplifier Protection: Full short circuit, open circuit, thermal,ultrasonic, and RF protection; Stable into reactive or mismatched loads
  • Power Requirements: 120, 230, VAC, 50-60 Hz
  • Load Protection: On/off muting; Triac crowbar: ISA 750
  • Rack-mount size: 3 RU
  • Dimensions: 19" x 5.25" x 15.9" (48.3 x 13.3 x 40 cm)
  • Weight: 49 lbs. (22.3 kg)

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