Crown Audio CT4150 Four-Channel 125W Power Amplifier
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The CT4150 delivers compact, efficient amplification in a single rack unit with virtually silent operation—no cooling fan means clean audio in noise-sensitive environments. DriveCore™ technology fuses the drive stage directly into the power output stage, achieving over 90% efficiency while maintaining the sonic character of a refined Class AB design. Built for professional installations requiring four independent channels of transparent, reliable amplification.
Audio Performance & EfficiencyEach of the four channels produces 125W @ 4 ohms and 125W @ 8 ohms, with a Signal-to-Noise Ratio of 110 dB and distortion specifications of <0.05% THD and <0.05% IMD. The amplifier maintains ±0.5 dB frequency response with >70 dB crosstalk rejection, ensuring clean channel separation and transparent audio reproduction across the full spectrum.
Design & ConnectivityThe 1 RU chassis (1.75" × 19" × 15.19") integrates four independent channels into a compact footprint weighing just 10 lbs, with inputs and outputs via 3-pin and 2-pin Phoenix Connectors. Convection cooling eliminates fan noise, while the universal power supply and 15A IEC connector support international use; the amplifier remains stable across 2–16 ohm loads.
Key Features- 125W per channel @ 4 ohms and 8 ohms (4 channels total)
- DriveCore™ technology with >90% efficiency
- Signal-to-Noise Ratio: 110 dB
- THD <0.05%, Intermodulation Distortion <0.05%
- Frequency Response: ±0.5 dB
- Crosstalk >70 dB, Common Mode Rejection >70 dB
- 4x 3-pin Phoenix Connectors (inputs), 4x 2-pin Phoenix Connectors (outputs)
- Input Sensitivity: 1.4V, Voltage Gain: 27 dB
- 1 RU rack format; 1.75" × 19" × 15.19"; 10 lbs
- Fanless convection cooling for silent operation
- Universal power supply; 15A IEC connector
- LED indicators: Power, Signal, Clip, Thermal, Fault
The CT4150 combines professional-grade specs, compact integration, and proven DriveCore™ efficiency—an ideal choice for installed sound systems, live reinforcement, and studio monitoring requiring four independent channels without compromise.
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