QSC GX3 2 Channel Power Amp 300 Watts per Side at 8 ohms
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$769.00
- DETAILS
OVERVIEW
- Power levels matched to the most popular speakers used by entertainers
- Optimized for maximum real-world headroom into 4- and 8-ohm speaker systems
- Inputs: XLR, 1/4-inch TRS and phono input connectors for compatibility with any source
- Outputs: Speakon® combo accepts 1/4-inch (TS) plugs or Speakon 2- and 4-pole plugs (connects 2 poles only). Binding posts support all other speaker wiring systems
- Minimum depth chassis (10.1-inch / 257 mm) fits in compact, inexpensive effects racks
- Lightweight - GX3 and GX5 less than 26 lb (12.5 kg). GX7 only 15.5 lb (7 kg)*
- Detented gain controls for precise setting and matching of sensitivity
- GuardRail™ automatically protects the amplifier and loudspeakers from damage due to temperature rise or overdrive without shutting down the show
- Front panel LEDs monitor power, signal, and clipping
- Subwoofer/satellite crossover built-in
FEATURED VIDEO
SPECIFICATIONS
| SPECIFICATIONS | GX3 | GX5 | GX7 | |||
| Output power per channel | ||||||
| 8 ohms / 1 kHz (both channels driven) | 300 W | 500 W | 725 W | |||
| 8 ohms / 1 kHz (single channel driven) | 350 W | 600 W | 800 W | |||
| 4 ohms / 1 kHz (both channels driven) | 425 W | 700 W | 1000 W | |||
| 4 ohms / 1 kHz (single channel driven) | 500 W | 850 W | 1200 W | |||
| Distortion (1 dB below rated power, 1 kHz) | 8 ohms: less than 0.02% 4 ohms: less than 0.05% |
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| Signal to Noise (20 Hz - 20 kHz) | 100 dB | |||||
| Input Sensitivity | 1.2 V rms | |||||
| Voltage Gain | 32.2 dB | 34.4 dB | 36.1 dB | |||
| Output Circuitry | Class B | 2-tier Class H | 2-tier Class H | |||
| Power Requirements (1/8 power, pink noise at 4 ohms, 120V) | 6.3 A | 6 A | 10.1 A | |||
| Frequency Response | 20 Hz–20 kHz, +0, -1 dB | |||||
| Dynamic Headroom (4 ohms) | 2 dB | |||||
| Input Impedance | Greater than 20 kΩ (balanced) | |||||
| Maximum Input Level | +24 dBu (16 V rms) | |||||
| Input Connectors (each channel) | 3-pin XLR and 1/4-inch TRS, balanced, parallel Phono, unbalanced |
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| Output Connectors (each channel) | Speakon®, 1/4-inch, Binding posts | |||||
| Amplifier and Load Protection | Short circuit, open circuit, thermal, RF protection Load protected against DC faults |
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| Front Panel Controls and Indicators | Gain controls, 21 detents Red CLIP LEDs, proportional, 0.1% THD threshold Green SIGNAL LEDs, threshold 35 dB below clipping Blue POWER LED, AC on |
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| Rear Panel Controls | Full Range / Crossover switch 100 Hz, 3rd order LP (sub), 2nd order HP (top) |
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| Dimensions | Height: 3.5-inch (89 mm) 2RU Width: 19-inch (483 mm) Depth: 10.1-inch (257 mm) |
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| Weight | Net: 27 lb (12.1 kg) Shipping: 31 lb (14.1 kg) |
Net: 28 lb (12.6 kg) Shipping: 32 lb (14.6 kg) |
120V model: Net: 15.5 lb (7 kg) Shipping: 20.5 lb (9.3 kg) 230V model: Net: 16.5 lb (7.5 kg) Shipping: 21.5 lb (9.75 kg) |
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| Agency Approvals | UL, CE, RoHS/WEEE Compliant | |||||
| AC Current and Heating, 120 VAC (multiply current by 0.5 for 230 VAC) |
GX3 | GX5 | GX7 | |||
| Operating Condition | AC amps | BTU/hour | AC amps | BTU/hour | AC amps | BTU/hour |
| Idle | 0.2 | 44 | 0.3 | 60 | 0.6 | 82 |
| 8 + 8 ohms, 1/8 power 1 | 4.1 | 904 | 3.3 | 734 | 6.7 | 1169 |
| 8 + 8 ohms, 1/3 power 2 | 6.1 | 1160 | 8.5 | 1456 | 13.3 | 1807 |
| 8 + 8 ohms, full power 3 | 9.75 | 1109 | 16.2 | 1891 | 26.5 | 2167 |
| 4 + 4 ohms, 1/8 power 1 | 6.3 | 1515 | 5.8 | 1160 | 10.1 | 1963 |
| 4 + 4 ohms, 1/3 power 2 | 9.4 | 2105 | 11.2 | 2162 | 18.5 | 2612 |
| 4 + 4 ohms, full power 3 | 15.0 | 2297 | 24.5 | 3754 | 40 | 4478 |
1 1/8 power represents typical maximum operating conditions
2 1/3 power represents over-driven program levels
3 Full power is breaker limited to short periods
For 230 V, multiply AC current by 0.5
For 100 V, multiply AC current by 1.25
All specifications are subject to change without notice.