QSC ISA-750 ISA Series Amplifier

QSC ISA-750 ISA Series Amplifier

ISA SPECIFICATIONS ISA750

8 ohms 20 Hz-20 kHz 0.1% THD - 450W

4 ohms 20 Hz-20 kHz 0.1% THD - 650W

2 ohms 1 kHz 1% THD - 1200W

8 ohms 1 kHz 0.1% THD - 1500W

4 ohms 1 kHz 1% THD - 2400W

Signal to Noise (20 Hz-20 kHz) - 100 dB

Distortion (SMPTE-IM) - Less than 0.02%

Input Sensitivity @ 8 ohms - 1.07v(+2.8 dBu)

Voltage Gain @ 8 ohms - 56.2x(35 dB)

Output Circuitry - Class H

Weight - Net - 47 lbs(21.3 kg)

Weight - Shipping - 53 lbs(24.0 kg)

Distortion (Typical) 20 Hz-20 kHz: 10 dB below rated power 1.0 kHz and below: full rated power .

Less than 0.03% THD, 4 ohms and 8 ohms

Less than 0.03% THD, 4 ohms and 8 ohms

Frequency Response - 10 dB below rated output power ISA 280, 450, and 750 and 1350: 20 Hz–20 kHz, +0/-1 dB; -3 dB points: 5 Hz and 50 kHz ISA 300Ti, 500Ti and 800Ti: Direct outputs: -3 dB @ 50 Hz, -0.5 dB @ 20 kHz; XF outputs: 50 Hz–16 kHz, +0/-3 dB

Damping Factor (direct outputs) - Greater than 200 at 8 ohms, ISA 1350 greater than 250

Output Regulation (isolated outputs) - Less than 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 (pin 2+) Output: Covered barrier strips 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: Red LED (1 per channel)

Dimensions - 19” (48.3 cm) rack mounting, 5.25”(13.3cm) tall (3 rack spaces), 15.9” (40 cm) deep (from front mounting rails)

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, 1350 and 800Ti; AC coupling: ISA 280, 300Ti, 450 and 500Ti