CA4 Professional power amplifier

Professional audio amplifier CA4 Toroidal power transformer Latest generation of high-speed, wide-bandwidth output devices Twin tunnel cooling with back-to-front air flow Dual, variable speed DC fans Massive, extruded aluminum heat sinks Balanced XLR and 1/4-inch (TRS) inputs 5-way binding post outputs or Speakon connectors (market dependent) Stereo/parallel/bridged mono mode selector switch Ground lift jumper ACL (active clip limiting) prevents speaker damage with gentle gain reduction at clip threshold IGM (instantaneous gain modulation) monitors connected loads to detect conditions that may overstress output devices AutoRamp gradually increases gain to attenuator setting level when amplifier is turned on TourClass also includes comprehensive thermal management; And short circuit, DC voltage, turn-on/off transient, current inrush and sub/ultrasonic input protection Input sensitivity selection Recessed, stepped attenuators Front panel circuit breaker switch Modular construction Specifications: Cooling: Dual Variable Speed Fans Current Draw: 6.8 Amperes Damping Factor: 550: 1 @ 8 Ohms Dimensions (W-D-H): 19 x 18 x 3.5 Inches Distortion: <0.03 SMPTE-IM Frequency Response: 20Hz - 20kHz Input Connectors: XLR & TRS Input Impedance Balanced: 20 k ohms Input Impedance Unbalanced: 10 k ohms Output Circuitry: Class AB Output Connectors: 5-Way Binding Posts or Speakon Power Rating 2 Ohm Stereo: 500 Watts Power Rating 4 Ohm Bridge: 1000 Watts Power Rating 4 Ohm Stereo: 435 Watts Power Rating 8 Ohm Bridge: 830 Watts Power Rating 8 Ohm Stereo: 250 Watts Rack Units: 3U Weight: 41 Lbs