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QSC CX168 8-Channel 90W Power Amplifier
[DISCONTINUED] QSC CX168 8-Channel 90W Power Amplifier

[DISCONTINUED] QSC CX168 8-Channel 90W Power Amplifier

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SoundPro Item: 47547
MPN: CX168
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The CX Series is designed to meet the specialized needs of sound contractors. Eight 2-channel models have been designed from the ground up, combining the exclusive QSC PowerLight™ technology with specific features to meet the requirements of fixed installations. With high-output power, versatile loading options, high thermal capacity and unmatched reliability, the CX Series is the perfect solution to any permanently installed sound system.

QSC CX168 Features

  • 100 watts per channel at 70 volts (CX108V)
  • 90 watts per channel at 8 ohms and 130 watts per channel at 4 ohms (CX168)
  • Compact size - only two rack spaces and 14" deep for reduced rack space
  • Channel pairs bridgeable for maximum flexibility
  • Exclusive PowerLight switch-mode power supply technology for high performance and compact size
  • Active Inrush Limiting eliminates AC inrush current, removing the need for expensive power sequencers
  • Four HD15 DataPorts (one per channel pair) for Q-Sys and QSControl computer control and monitoring
  • Custom integrated gain control security cover for tamper-proof installations
  • 1 dB recessed detented gain controls for fast and accurate settings
  • Detachable Euro style input and output connectors
  • DIP switch control for clip limiters, high-pass filters, bridge mono and parallel operation
  • Selectable high-pass filters protect speakers and prevent speaker transformer saturation with minimal effect on program material (50 Hz or 75 Hz; CX108V) (33 Hz or 70 Hz; CX168)
  • Comprehensive front panel indicators including signal, clip, bridge mono and parallel input LEDs
  • Fully protected - including DC, infrasonic and ultrasonic, thermal overload and short circuit protection
  • High-performance Class AB+B complementary bipolar output circuitry
  • Light weight - only 21 pounds (9.5 kg) for easier racking and shipping
  • 3-year warranty plus optional 3-year extended service contract
  • All CX Series amplifiers meet the European Union's, 2006 RoHS directive to restrict the use of hazardous materials used in electronic devices.
  • CX168 8-Channel 90W Power Amplifier1
  • STEREO MODE, All Channels Driven (Continuous Average Output Power Per Channel)
    • 8Ω, 0.05% THD 20 Hz–20 kHz: 90W
    • 4Ω, 0.1% THD 20 Hz–20 kHz: 130W
  • Midband Ratings
    • 8Ω, 0.1% THD 1 kHz
    • 4Ω, 0.1% THD 1 kHz
  • All channels
    • 100 W
    • 140 W
  • Single channel
    • 120 W
    • 180 W
  • BRIDGE MONO MODE
    • 16Ω, 0.1% THD 20 Hz–20 kHz: 180W
    • 8Ω, 0.1% THD 20 Hz–20 kHz: 260W
    • 140 V, 0.2% THD 20 Hz-20 kHz: NA
  • Input Sensitivity (for full-rated output power)1.35 V rms @ 8 ohms
  • Voltage Gain20× (26 dB)
  • Input Clipping6 V rms (+18 dBu)
  • Output Circuitry ClassClass AB+B
  • Frequency Response
    • 20 Hz–20 kHz, ± 0.2 dB
    • 8 Hz–50 kHz, +0/-3 dB
  • Damping FactorGreater than 200 (5 kHz and below)
  • Input Impedance6 kΩ unbalanced, 12 kΩ balanced
  • Distortion (SMPTE-IM)Less than 0.02%
  • Distortion (typical) 20 Hz–20 kHz: 10 dB below rated powerLess than 0.1% THD
  • 1.0 kHz and below: at full rated powerLess than 0.03% THD
  • Connectors
    • Input: 3-pin Euro-style detachable terminal blocks, (one per ch.)
    • DataPort: HD-15 Connector, (one per channel pair: Ch 1+2, 3+4, 5+6, 7+8)
    • Output: Two 8-pin Euro-style detachable terminal blocks
  • CoolingVariable speed fan, rear-to-front airflow through tunnel heat sink
  • Controls
    • Front: AC switch, Ch 1, 2, 3, 4, 5, 6, 7 & 8 gain knobs
    • Rear: DIP switches for Ch. 1–Ch. 8, clip limiter on/off, LF filter on/off, LF filter freq select 33 or 70 Hz for CX168, LF filter freq select 50 or 75 Hz for CX108V, inputs parallel or stereo; bridge mode
  • Indicators
    • PWR-ON: Green LED
    • SIGNAL-35 dB: Green LED (1 per channel)
    • CLIP: Red LED (1 per channel)
  • Amplifier ProtectionFull short circuit, open circuit, thermal, ultrasonic, and RF protection; Stable into reactive or mismatched loads
  • Load ProtectionOn/off muting; Individual channel DC fault blocking
  • Dimensions (HWD)3.5 x 19 x 14 / 2RU inches (89 x 483 x 356 / 2RU mm)
  • Weight21 lb (9.5 kg) net, 27 lb (12.3 kg) shipping
  • Power Requirements100, 120, 230 VAC, 50–60 Hz (configured at factory)

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