Specifications PLX 1104, PLX 1804

 

 

PLX 1104

PLX 1804

OUTPUT POWER (Watts)(1)

 

 

 

20 - 20k Hz, 0.05% THD, 8 ohms/Ch.

 

310

550

1k Hz, 0.1% THD (EIA), 8 ohms/Ch.

 

325

600

20 - 20k Hz, 0.05% THD, 4 ohms/Ch.

 

500

800

1k Hz, 0.1% THD (EIA), 4 ohms/Ch.

 

550

900

DISTORTION, SMPTE-IM

 

0.02%

0.02%

FREQUENCY RESPONSE

 

20 - 20k Hz, ±0.5 dB, all models

SIGNAL to NOISE, unweighted, 20 - 20k Hz

-108 dB

-106 dB

VOLTAGE GAIN

 

32.5 dB

34.9 dB

INPUT SENSITIVITY, Vrms

 

 

 

for rated power into 8 ohms

 

1.18 (+3.7 dBu)

1.20 (+3.8 dBu)

OUTPUT CIRCUIT TYPE

 

AB

AB/H

INPUT IMPEDANCE

 

10k ohms unbalanced, 20k ohms balanced

DYNAMIC HEADROOM

 

2 dB at 4 ohms

 

DAMPING FACTOR (8 ohms)

 

>200

 

AMPLIFIER PROTECTION

 

Short circuit, open circuit, thermal, ultrasonic and RF protection. Stable into reactive or mismatched loads

COOLING

 

Continuously variable speed fan; back-to-front air flow through heat sink array

CONTROLS

Front:

AC POWER switch, Gain controls (each channel) 21 detents

 

Back:

AC circuit breaker

 

LED INDICATORS

 

POWER (blue), SIGNAL (green x 2), -10 dB (green x 2), CLIP (red x 2)

CONNECTORS

Input:

1/4-inch TRS and female XLR; 20k ohm balanced, 10k ohm unbalanced

 

Output:

Speakon connectors: Ch 1, 4-wires (Ch 1 + Ch 2); Ch 2, 2-wires (Ch 2 only)

LOAD PROTECTION

 

Turn-on/turn-off muting, DC fault blocking, Clip limiting, Infrasonic filter (-3 dB at 5 Hz)

POWER REQUIREMENTS

 

Refer to rear panel serial number label. Configured at factory for 100, 120 or 220-240 VAC, 50- 60 Hz.

DIMENSIONS

 

19.0" (48.3 cm) W, 3.5" (8.9 cm) H, 10.1" (25.7 cm) D (from front mounting rails, including rear support

 

 

ears)

 

WEIGHT(1)

 

13 pounds (5.9 kg) net;

18 pounds (8.2 kg) shipping

(1) NOTE: Due to special construction to meet EN-6100, CE models may have 5-12% (0.5 dBw) less power and 1.2 lb (0.6 kg) more weight.

U.S. patent no. 5767744 and patents pending

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

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QSC Audio PLX 3102, PLX 1802, PLX 1804, PLX 2502, PLX 3602 user manual Specifications PLX 1104, PLX

PLX 3602, PLX 2502, PLX 1802, PLX 1804, PLX 3102 specifications

The QSC Audio PLX 1104 is a versatile and powerful power amplifier designed to meet the demands of live sound applications, installations, and more. Renowned for its exceptional performance and reliable operation, the PLX 1104 has become a preferred choice for sound engineers and audio professionals alike.

One of the standout features of the PLX 1104 is its lightweight design. Weighing in at just 10.5 pounds, this amplifier is easy to transport and install, making it ideal for mobile applications. Its compact form factor allows for efficient use of space in equipment racks and allows for quick setups and takedowns during events.

The QSC PLX 1104 outputs an impressive 1,000 watts per channel at 8 ohms and 1,200 watts at 4 ohms, providing ample power for driving a wide range of loudspeakers. This capability makes it suitable for various applications, from small clubs to larger venues requiring robust sound reinforcement. The amplification system utilizes a high-efficiency design that significantly reduces power consumption and heat generation, enhancing reliability and longevity.

In terms of connectivity, the PLX 1104 features balanced XLR inputs and Neutrik Speakon outputs, ensuring compatibility with a broad array of sound systems. Its intuitive control layout, including a rear-mounted gain control for each channel, allows for easy dial-in of the desired output level.

The PLX 1104 employs QSC's advanced proprietary technology to deliver exceptional audio quality. This includes sophisticated output transistors and a high-frequency protection circuit, ensuring that the amplifier provides clean and undistorted sound, even at high output levels. Furthermore, the built-in thermal management system helps to prevent overheating, further increasing the reliability of the amplifier in demanding environments.

Additional features of the PLX 1104 include a switchable low-frequency filter that can help to improve the overall clarity of sound, particularly in live sound scenarios where low-end muddying can occur. The amplifier is also equipped with a front-panel LED status indicator that serves as a visual cue for the operational status of the unit.

In summary, the QSC Audio PLX 1104 is a testament to modern amplifier technology, combining lightweight portability with powerful performance and rich features. Its ability to deliver high-quality audio while being exceptionally user-friendly makes it a go-to solution for audio professionals who require both reliability and flexibility in diverse sound reinforcement situations.