EN

Specifications: ISA 280, ISA 450, ISA 750, and ISA 1350

OUTPUT POWER in watts

ISA280

ISA 450

ISA 750

ISA 1350

FTC:

 

 

 

 

8 ohms, 2 channels driven

185

260

450

800

(20 Hz - 20 kHz, 0.1% THD)

 

 

 

 

4 ohms 2 channels driven

280

400

650

1300

(20 Hz - 20 kHz, 0.1% THD)

 

 

 

 

EIA:

 

 

 

 

16 ohms, 1 channel driven

100

140

250

475

(1 kHz, 0.1% THD)

 

 

 

 

8 ohms, 1 channel driven

200

280

475

850

(1 kHz, 0.1% THD)

 

 

 

 

4 ohms, 1 channel driven

300

450

750

1400

(1 kHz, 0.1% THD)

 

 

 

 

2 ohms, 2 channels driven

430

700

1200

2000

(1 kHz, 1.0% THD)

 

 

 

 

Bridged Mono:

 

 

 

 

16 ohms

370

520

900

1600

(20 Hz - 20 kHz, 0.1% THD)

 

 

 

 

8 ohms

600

900

1500

2800

(1 kHz, 0.1% THD)

 

 

 

 

4 ohms

830

1400

2400

4000

(1 kHz, 1.0% THD)

 

 

 

 

FREQUENCY RESPONSE

+0.0, -1.0 dB: 20 Hz to 20 kHz (LF filter OFF, at -10 dB from rated power), -3 dB points: 5 Hz and 50 kHz.

DAMPING FACTOR

>200 at 8 ohm load

>200 at 8 ohm load

>200 at 8 ohm load

>250 at 8 ohm load

INPUT SENSITIVITY

+3.43 dBu (1.15 Vrms)

+2.81 dBu (1.07 Vrms)

+2.81 dBu (1.07 Vrms)

+4.08 dBu (1.24 Vrms)

VOLTAGE GAIN

30.5 dB (33.4 x)

33.0 dB (44.7 x)

35.0 dB (56.2 x)

36.1 dB (64.0x)

OUTPUT CIRCUIT TYPE

AB

AB

H 2-tier

H 3-tier

CURRENT CONSUMPTION (Ampere, rms, both channels driven, 120 VAC*)

 

 

Idle

0.5

0.5

0.6

1.3

1/8 power**, 8 ohms

3.0

3.7

4.0

6.2

1/8 power**, 4 ohms

4.5

6.0

6.3

9.9

1/8 power**, 2 ohms

6.5

9.3

9.2

14.0

*NOTE: for 240 VAC models, multiply all values by 0.5 (one-half).

**NOTE: 1/8 power is representative of typical program material with occasional clipping.

WEIGHT

36 pounds (20.0 kg)

36 pounds (20.0 kg)

47 pounds (25.0 kg)

68 pounds (30.8 kg)

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

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QSC Audio SA 1350 user manual Specifications ISA 280, ISA 450, ISA 750, and ISA

SA 1350 specifications

The QSC Audio SA 1350 is a powerful and versatile amplifier that stands out in the world of professional audio. Designed for a variety of applications, including live sound, installation, and event production, the SA 1350 delivers high performance and reliability, making it a favorite among audio engineers and technicians.

One of the standout features of the SA 1350 is its robust power output. With a continuous power rating of 1,350 watts at 4 ohms, this amplifier is capable of driving large speakers with ease, providing clean and distortion-free sound even at high volumes. The amplifier is designed to handle a wide range of speaker impedances and configurations, allowing users to tailor their audio setup to their specific needs.

The SA 1350 utilizes QSC’s advanced PowerLight 3 technology, which provides a lightweight yet powerful solution for amplifying sound. This technology integrates high-efficiency Class D amplification with a switch-mode power supply, resulting in reduced weight and increased energy efficiency. The amplifier's compact form factor makes it easy to transport and install, without sacrificing performance.

Heat management is another important aspect of the SA 1350’s design. The amplifier features a patented, high-efficiency cooling system that includes advanced thermal protection circuits. This ensures the amplifier remains cool during operation, reducing the risk of overheating and extending the lifespan of the unit.

Connectivity options are versatile, with XLR and 1/4-inch inputs allowing for seamless integration with various audio sources. Additionally, the SA 1350 is equipped with output binding posts and Neutrik Speakon connectors, accommodating different types of speaker cables and setups.

The QSC Audio SA 1350 also emphasizes user-friendly operation. With its intuitive front panel control layout, users can easily adjust gain settings and monitor performance through LED indicators. Its rugged construction is built to withstand the rigors of touring and installations, ensuring reliability in any environment.

In summary, the QSC Audio SA 1350 is a powerful, efficient, and reliable amplifier that combines advanced technology and practical features. Whether used for live sound applications, installations, or events, the SA 1350 consistently delivers exceptional audio performance that meets the demands of professionals in the audio industry. Its blend of power, efficiency, and versatility makes it an indispensable tool for any audio setup.