Pro Audio Systems

• Technical Specifications

• Performance
• Sensitivity (volts RMS) for full rated power at 4 ohms: 1.25 V.
• Frequency Response (at 1 watt) 22 Hz to 20 kHz: +0 dB, –0.8 dB.
• Signal-to-Noise Ratio (20 Hz to 20 kHz)
• A-weighted, below rated power:
• >98 dB.
• No weighting, below rated power:
• >93 dB.
• Total Harmonic Distortion (THD): <0.5%.
• Intermodulation Distortion (IMD):
• (60 Hz and 7 kHz at 4:1) from full rated output to –40 dB: < 0.3%.
• Damping Factor (8 ohm) 10 Hz to 400 Hz: >200.
• Crosstalk (below rated power)
• at 1 kHz: –76 dB. at 20 kHz: –58 dB.
• Input Impedance (nominal): 20 kilohms balanced, 10 kilohms unbalanced.
• Load Impedance: Rated for 2 to 8 ohms per channel in Stereo, 4 to 8 ohms in Bridge Mono.
• AC Line Voltage and Frequency Configurations Available (±10%): 120 VAC 60 Hz, 100 VAC 50/60 Hz, 220 VAC 50 Hz, and 230-240 VAC
• Controls
• Level: Two front-panel rotary level controls, one for each channel.
• Power: Front-panel switch; on when in the IN position.
• Circuit Breaker: Back-panel breaker provides overload protection.
• Mode Switch: Back-panel switch selects Dual or Bridge-Mono mode.
• Indicators
• Signal Presence Indicators: Two green LEDs, one for each channel, illuminate when the channel’s input signal exceeds –40 dBu.
• Clip Indicators: Two red LEDs, one for each channel, illuminate when the channel’s output is being overdriven.
• Power Indicator: Blue LED indicates amplifier has been turned on and AC power is available.
• Fault Indicator: Two red LEDs illuminate when amplifier is in protect mode. Also illuminates briefly during normal power-up when amplifier is first switched on.
• Input/Output
• Input Connectors: One per channel; back-panel three-pin female XLR input connectors.
• Output Connectors: Two 4-Pole Speakon® Output Connectors accept 2-pole or 4-pole Speakon connectors. The top Speakon connector is wired for both channels so it can be used for bridge-mono wiring or for stereo wiring of two speakers to a single Speakon connector.
• One pair of back-panel binding posts per channel; accepts banana plugs or bare wire. (European models do not accept banana plugs.)
• Protection
• XLS Series amplifiers provide extensive protection and diagnostic capabilities, including output current limiting, DC protection, circuit breaker, and thermal protection.
• Construction
• Ventilation: Flow-through ventilation from front to back.
• Cooling: Internal heat sinks with forced-air cooling for rapid, uniform heat dissipation.
• Air Volume Requirements (per minute per unit): 80.15 ft³ (2.27 m³).
• Dimensions: EIA Standard 19-inch (48.3-cm) rack mount width (EIA RS-310-B), 3.5-inch (8.9-cm) height and 15.2-inch (38.6-cm) depth.
• Weight
• Net Weight:
• XLS-202: 23.0 lb (10.4 kg)
• XLS-402: 25.7 lb (11.7 kg)
• XLS-602: 29.0 lb (13.2 kg)
• XLS-802: 35.5 lb (16.1 kg)

• Features

• Reliable design incorporates many popular features
  
• Housed in a rugged, all-steel 2U chassis
  
• Efficient forced-air fans prevent excessive thermal buildup
  
• Electronically balanced XLR inputs; touchproof binding post and Speakon® outputs
  
• Precision detented level controls, power switch, power LED, and six LEDs which indicate signal, clip and fault for each channel.
  
• Three-Year, No-Fault, Fully Transferable Warranty completely protects your investment and guarantees its specifications

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