QSC Replacement Gain Potentiometer for RMX850 Thru 2450: QSC GX3 Stereo Power Amplifier Specifications: Power Rating: 8 / both channels driven / 1 kHz: 300 W 8 / single channel driven / 1 kHz: 350 W 4 / both channels driven / 1 kHz; 425 W 4 / single channel driven / 1 kHz; 500 W 2 / both channels driven / 1 kHz; 200 W Distortion (typical): 20 Hz - 20 kHz: 1 dB below rated power 8 : less than 0.05% / 4 : less than 0.1% Signal to Noise: (20 Hz - 20 kHz) 100 dB Input Sensitivity: 1.2 Vrms Voltage Gain: (8 ) 32.2 dB Output Circuitry: Class B Power Requirements: (1/8 power pink noise at 4 120 V) 6.3A Frequency Response: 20 Hz - 20 kHz +0 1 dB Dynamic Headroom (4 ): 2 dB Damping Factor: 100 Input Impedance ( ): Greater than 20k (balanced) Maximum Input Level: +24 dB (16 Vrms) Input Connectors (each channel): 3-pin XLR and 1/4" TRS balanced parallel Phono unbalanced Output Connectors (each channel) Speakon® 1/4" 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 Blue Power LED AC on Rear Panel Controls: Full Range / Crossover switch 100 Hz 3rd order LP (sub) 2nd order HP (top) Dimensions (HWD): 3.5" (2RU) x 19" x 10.1" (89 mm x 483 mm x 257 mm) Weight: Shipping / Net 30 (13.5 kg) / 25 lbs (11.5 kg) Agency Approvals: UL CE RoHS/WEEE compliant QSC GX3 Stereo Power Amplifier Features: Power levels matched to the most popular speakers used by entertainers Optimized for maximum real-world headroom into 4 and 8 speaker systems Inputs: XLR 1/4" TRS and phono input connectors for compatibility with any source Outputs: Speakon® combo accepts 1/4" (TS) plugs or Speakon 2-pole and 4-pole plugs (connects 2 poles only). Binding posts support all other speaker wiring systems. Minimum depth chassis (10.1"/257 mm) fits in compact inexpensive effects racks Lightweight — less than 26 lbs (12.5 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
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