QSC GX7 Power Amplifier Product Features
- 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
- * 230V 16.5 lb (7.5 kg)
SPECIFICATIONS
- 8 ohms / 1 kHz (both channels driven) 725 W
- 8 ohms / 1 kHz (single channel driven) 800 W
- 4 ohms / 1 kHz (both channels driven) 1000 W
- 4 ohms / 1 kHz (single channel driven) 1200 W
- Distortion (1 dB below rated power, 1 kHz) 8 ohms: less than 0.02% 4 ohms: less than 0.05%
- Signal to Noise (20 Hz – 20 kHz) 100 dB
- Input Sensitivity 2 V rms
- Voltage Gain 34.4 dB
- Output Circuitry 2-tier Class H
- Power Requirements (1/8 power, pink noise at 4 ohms, 120V) 6 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
- 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
- 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
- Rear Panel Controls Full Range / Crossover switch 100 Hz, 3rd order LP (sub), 2nd order HP (top)
- Product Dimensions (H×W×D) 89 × 483 × 257 mm 3.5 × 19 × 10.1 in
- Carton Dimensions (H×W×D) 610 × 380 × 153 mm 24 × 15 × 6 in
- Net Weight 120V model: 7 kg / 15.5 lb 230V model: 7.5 kg / 16.5 lb
- Shipping Weight 120V model: 9.3 kg / 20.5 lb 230V model: 9.75 kg / 21.5 lb
- Agency Approvals UL, CE, RoHS/WEEE Compliant
Operating Condition AC amps BTU/hour
- Idle 0.6 82
- 8 + 8 ohms, 1/8 power 6.7 1169
- 8 + 8 ohms, 1/3 power 13.3 1807
- 8 + 8 ohms, full power 26.5 2167
- 4 + 4 ohms, 1/8 power 10.1 1963
- 4 + 4 ohms, 1/3 power 18.5 2612
- 4 + 4 ohms, full power 40 4478
