Crown CT 475 ComTech DriveCore Installation Power Amplifier
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| Province | Standard Shipping | Express Shipping |
|---|---|---|
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Description
The CT 475 is a four-channel installation amplifier from the Crown ComTech DriveCore series, rated at 75W per channel into 4 or 8 ohms with all channels driven. It fits a 1U chassis and cools by convection, so it runs with no fan.
DriveCore technology combines the amplifier drive stage and the output stage on one chip, for more than 90% efficiency. Life-safety features are built in, and the amplifier is stable with 2 to 16 ohm loads. For 70V or 100V distributed lines it needs a Crown XFMR-4 or XFMR-8 transformer.
Features
- Flexible input routing
- Convection cooled with no fan
- 1U chassis
- DriveCore technology with more than 90% efficiency
- Universal power supply
- Integrated life-safety features
- Patented feedback and protection circuits
- Stable with 2 to 16 ohm loads
- 70V and 100V operation with a Crown XFMR-4 or XFMR-8 transformer
Specifications
- Channels: 4
- Rated output power, all channels driven: 75W per channel at 4 ohms, 75W per channel at 8 ohms
- Input sensitivity: 1.4V
- Signal-to-noise ratio: 110 dB (A-weighted, below rated power, 20 Hz to 20 kHz)
- THD: Less than 0.05% (full rated power, 20 Hz to 20 kHz)
- Intermodulation distortion: Less than 0.05% (0 dB down to -30 dB)
- Frequency response: ±0.5 dB (at 1W, 4 or 8 ohms)
- Crosstalk: More than 70 dB (20 Hz to 1 kHz)
- Common mode rejection: More than 55 dB, typically more than 70 dB (20 Hz to 1 kHz)
- Voltage gain: 25 dB
- DC offset: ±20 mV
- Idle power consumption: 15.0W (standard mode)
- Power connector: 15A IEC
- Rack space: 1U
- Dimensions (W x H x D): 19 x 1.75 x 15.19 in. (48.3 x 4.4 x 38.6 cm)
- Weight: 10 lb (4.54 kg)
In the Box
- CT 475 amplifier
- AC power cord
- 2-pin Phoenix-type output connectors