QSC ISA1350 1300-Watt Two-Channel Commercial Power Amplifier

QSC
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  • 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.
  • DataPort V2 for use with DPV2-compatible signal processing accessories
  • Independent defeatable clip limiters for reduced distortion

$2,337.00 CAD

In stock

Description

About QSC ISA1350 1300-Watt Two-Channel Commercial Power Amplifier

ISA amplifiers are an ideal, cost-effective solution for fixed installation applications requiring low impedance or distributed loudspeakers. There are seven models in the line, four low impedance models (ISA 280, ISA 450, ISA 750, ISA 1350) rated down to 2-ohm loads and three “Ti” versions (ISA 300Ti, ISA 500Ti, ISA 800Ti) featuring isolated transformers for 25, 70 and 100 volt distributed audio systems. The DataPort V2 Lite connection facilitates the use of amplifier accessories (XC-3, LF-3 and SF-3.) providing economical crossover and subwoofer filtering solutions.

  • Up to 2400W total output power
  • 3RU chassis with rear-mounted gain controls featuring 2 dB detents
  • Independent, defeatable clip limiters reduce distortion and protect speakers
  • Selectable high-pass filters protect against transformer saturation and driver overexcursion
  • Includes extensive DC, infrasonic, thermal overload, and short circuit protection
  • XLR and 3-pin Block input connectors and touch-proof barrier-strip outputs
  • DataPort V2 connector not compatible with Q-SYS, BASIS or CM16a

Additional information

Weight 81.5 lbs
Dimensions 24 x 22 x 8.5 in

Features

QSC ISA1350 1300-Watt Two-Channel Commercial Power Amplifier 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
  • Front panel LED indicators include power, signal, and clip
  • 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
  • 3-year warranty plus optional 3-year extended service contract

Specifications

SPECIFICATIONS ISA280 ISA450 ISA750 ISA1350 ISA300Ti ISA500Ti ISA800Ti
OUTPUT POWER PER CHANNEL, STEREO MODE, both channels driven
8Ω, 20 Hz–20 kHz 0.1% THD
4Ω, 20 Hz–20 kHz 0.1% THD
2Ω 1 kHz 1% THD
185 W
280 W
430 W
260 W
425 W
700 W
450 W
650 W
1200 W
800 W
1300 W
2000 W
185 W
280 W
430 W
260 W
425 W
700 W
450 W
650 W
1200 W
DIRECT POWER PER CHANNEL, STEREO MODE
70V, 20 Hz–20 kHz +0/-0.3 dB 0.5% THD 1500 W
TRANSFORMER-ISOLATED OUTPUT POWER PER CHANNEL, STEREO MODE
70V or 100V, 50 Hz–16 kHz 0.5% THD
25V, 50 Hz–16 kHz 0.5% THD




300 W
200 W
500 W
300 W
800 W
500 W
OUTPUT POWER, BRIDGED MONO MODE
8Ω, 1 kHz 0.1% THD
4Ω 1 kHz 1% THD
600 W
830 W
900 W
1400 W
1500 W
2400 W
2800 W
4000 W
600 W
830 W
900 W
1400 W
1500 W
2400 W
TRANSFORMER-ISOLATED OUTPUT POWER, BRIDGED MONO MODE
140V or 200V, 50 Hz-16 kHz 0.5% THD 600 W 1000 W 1600 W
Signal to Noise (20 Hz-20 kHz) 100 dB
Distortion (SMPTE-IM) Less than 0.01% Less than 0.01% Less than 0.02% Less than 0.01% Less than 0.01% Less than 0.01% Less than 0.02%
Input Sensitivity @ 8 ohms 1.15 V
(+3.4 dBu)
1.07 V
(+2.8 dBu)
1.07 V
(+2.8 dBu)
1.24 V
(+4.1 dBu)
1.15 V
(+3.4 dBu)
1.07 V
(+2.8 dBu)
1.07 V
(+2.8 dBu)
Maximum Voltage Gain 33.4×
(30.5 dB)
44.7×
(33 dB)
56.2×
(35 dB)
64.0×
(36.1 dB)
33.4×
(30.5 dB)
44.7×
(33 dB)
56.2×
(35 dB)
Output Circuitry Class AB Class AB Class H, 2 tier Class H, 3 tier Class AB Class AB Class H, 2 tier
THX Approved Yes Yes
Weight – Net 36 lb
(16.3 kg)
42 lb
(19 kg)
47 lb
(21.3 kg)
68 lb
(30.8 kg)
44 lb
(20.0 kg)
49 lb
(22.3 kg)
57 lb
(26 kg)
Weight – Shipping 42 lb
(19.1 kg)
48 lb
(22 kg)
53 lb
(24.0 kg)
77 lb
(34.4 kg)
50 lb
(22.7 kg)
55 lb
(25 kg)
63 lb
(28.6 kg)
ALL MODELS
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, 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, +1/-3 dB
Damping Factor with 8Ω Load (direct outputs) Greater than 200; ISA 1350 greater than 250
Output Regulation (isolated outputs) Less than 1.5 dB
Input Impedance 10 kΩ unbalanced, 20 kΩ balanced
Input Clipping 10 V rms (+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 (HWD) inches 5.25 x 19 x 15.9 / 3RU
Dimensions (HWD) mm 133 x 483 x 400 / 3RU
Amplifier Protection Full short circuit, open circuit, thermal, ultrasonic, and RF protection;
Stable into reactive or mismatched loads
Power Requirements 120 or 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

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