QSC GX3 2 Channel Power Amplifier - Each
The QSC GX3 is a 2-channel power amplifier specifically designed to provide optimized power levels for the most commonly used speakers by performers and entertainment professionals. The GX3 offers a combination of power, reliability, and connectivity, making it ideal for small to medium-sized PA systems, DJs, and entertainers.
Key Features:
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Power Output:
- 300 W per channel at 8Ω
- 425 W per channel at 4Ω
- Class B Output Circuitry: Efficient design provides solid performance in real-world audio systems.
- Input Options: The GX3 offers versatile inputs, including XLR, 1/4-inch TRS, and RCA/phono inputs for compatibility with a wide range of sources.
- Output Options: Equipped with Speakon combo jacks that accept 1/4-inch and Speakon plugs, and binding posts for a variety of speaker connections.
- GuardRail™ Protection: Protects the amplifier and loudspeakers from damage by managing temperature and overdrive conditions without interrupting the performance.
- Built-in Crossover: The amplifier features a subwoofer/satellite crossover, making it easier to set up systems with separate subwoofers and satellite speakers.
- Front Panel Monitoring: LED indicators on the front panel show power, signal, and clip status, providing real-time feedback on amplifier performance.
Performance:
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Distortion:
- Less than 0.02% at 8Ω
- Less than 0.05% at 4Ω
- Signal to Noise Ratio: 100 dB, ensuring low noise and clean sound output.
- Frequency Response: 20 Hz to 20 kHz, +0, -1 dB for a full-range audio experience.
- Dynamic Headroom: 2 dB at 4Ω, ensuring that the amplifier can handle short peaks of high power.
Dimensions and Weight:
- Compact Chassis: At 10.1 inches deep, the GX3 is designed to fit into smaller racks, making it a good option for portable systems.
- Lightweight: Weighing only 27 lb (12.1 kg), it is relatively light and easy to transport.
Protection Features:
- Load Protection: The amplifier includes protection against short circuits, open circuits, and RF interference. It also protects the connected load (speakers) from DC faults, ensuring a longer lifespan for both the amplifier and the speakers.
Controls and Indicators:
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Front Panel:
- Gain controls with 21 detents for precise level adjustment.
- Red CLIP LEDs to indicate clipping, green SIGNAL LEDs to show audio signal presence, and a blue POWER LED to indicate the amplifier is powered on.
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Rear Panel:
- A Full Range/Crossover switch to toggle between standard operation or with the built-in 100 Hz crossover for subwoofer applications.
Conclusion:
The QSC GX3 is a versatile and reliable power amplifier, offering power levels suited for small to medium-sized sound systems. With ample connectivity, efficient protection systems, and built-in crossover functionality, it’s a solid choice for DJs, performers, and small venue sound reinforcement.