QSC PL 1.8

The PowerLight Series

SPECIFICATIONS PL 1.8

• OUTPUT POWER (per channel)
  8 ohms 20 Hz to 20 kHz, 0.1% THD: 400 watts
  8 ohms 1kHz,              1% THD: 450 watts
  4 ohms 20 Hz to 20 kHz, 0.1% THD: 650 watts
  4 ohms 1 kHz,             1% THD: 700 watts
  2 ohms 1 kHz,             1% THD: 900 watts
• OUTPUT POWER (bridged mono)
  8 ohms 20 Hz to 20 kHz, 0.1% THD: 1300 watts
  4 ohms 1 kHz,             1% THD: 1800 watts
• DISTORTION (SMPTE-IM): less than 0.05%
• DISTORTION (typical): less than 0.01% THD
  4Ohms to 8Ohms:
  20Hz-20kHz, 10 dB below rated power
  1.0 kHz and below, full rated power
• FREQUENCY RESPONSE:
  20 Hz to 20 kHz, ±0.15 dB
  8 Hz to 100 kHz, +0/-3 dB
• DAMPING FACTOR: Greater than 350
• DYNAMIC HEADROOM: 1.9 dB at 4 ohms
• NOISE: 108 dB below rated output (20 Hz to 20 kHz)
• SENSITIVITY: 1.14 Vrms for rated power (8 ohms)
• VOLTAGE GAIN: 50 (34 dB)
• INPUT IMPEDANCE: 10K unbalanced, 20K balanced
• CONTROLS:
  Front: AC Switch, Ch 1 and Ch 2 Gain Knobs, Ch 1 and Ch 2 Clip Limiter Switches
  Back: Parallel/Stereo/Bridge Switch, Remote A.C. Power Control Terminal Strip
• INDICATORS:
  PROT: Red LED
  STANDBY: Yellow LED
  PWR-ON: Green LED
  CLIP: Red LED,1 per channel
  LEVEL -10: Yellow LED,1 per channel
  LEVEL -20: Yellow LED, 1 per channel
  SIG-PRESENT: Green LED, 1 per channel
• CONNECTORS: (each channel)
  Input: Barrier strip and Neutrik “Combo” XLR and 1/4” input
  Speakers: “Touch proof” binding posts
  Data Port: HD15 female
• COOLING: Variable speed fan, rear-to-front air flow.
• AMPLIFIER PROTECTION:Full short circuit†, open circuit, thermal, ultrasonic, and RF protection. Stable into reactive or
  mismatched loads.
• LOAD PROTECTION: On/off muting. DC-fault power supply shut down.
• OUTPUT CIRCUIT TYPE: Complementary linear outputs. 2-step high efficiency circuit.
• POWER REQUIREMENTS: 240 Vac, 50-60 Hz
• POWER CONSUMPTION:
  Normal Operation: 4 ohms per channel: less than 6.25 amps, 120 Vac (750 VA) maximum (full power,
  2 ohms per channel): 35 amps, 120 Vac (4200 VA)
• DIMENSIONS:
  19.0" (48.3 cm) rack mounting
  3.5" (8.9 cm) tall (2 spaces)
  17.9" (45.5 cm) deep (rear support ears)
• Weight: 18 Ibs (8.2 kg) net