Overview

Power levels matched to the most popular speakers. Inputs: XLR, 1/4" TRS and phono. Outputs: Speakon® combo and binding posts.

Features

• Power levels matched to the most popular speakers used by entertainers
• Optimized for maximum real-world headroom into 4 ohm 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-pole and 4-pole plugs (connects two 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): 500 W 
• 8 ohms / 1 kHz (single channel driven): 600 W 
• 4 ohms / 1 kHz (both channels driven): 700 W 
• 4 ohms / 1 kHz (single channel driven): 850 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: 1.2 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)
• Dimensions: Height: 3.5-inch (89 mm) 2RU
• Width: 19-inch (483 mm)
• Depth: 10.1-inch (257 mm)
• Weight: Net:Net: 28 lb (12.6 kg)
• Shipping: 32 lb (14.6 kg) 
• Agency Approvals: UL, CE, RoHS/WEEE Compliant
  AC Current and Heating, 120 VAC
  (multiply current by 0.5 for 230 VAC) 
  Operating Condition                AC amps                   BTU/hour 
• Idle0.3 60
• 8 + 8 ohms, 1/8 power                  1  3.3                            734 
• 8 + 8 ohms, 1/3 power 2                8.5                               456
• 8 + 8 ohms, full power 3               16.2                             1891
• 4 + 4 ohms, 1/8 power 1                 5.8                             1160
• 4 + 4 ohms, 1/3 power 2                 11.2                             2162
• 4 + 4 ohms, full power 3                 24.5                             3754
• 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