Crown CDi Series amplifiers are professional tools designed and built for installed sound applications. The series includes three models which are identical except for output power: CDi 1000, CDi 2000, and CDi 4000. All are rugged and lightweight, and offer unmatched value in their class. - Extremely versatile; rated for 2-, 4-, 8-ohm loads and 70V and 140V outputs.
- Switch-mode universal power supply.
- Intuitive front-panel LCD screen for quick, easy configuration.
- Onboard digital signal processing includes crossovers, EQ filters, delay, and output limiting.
- Up to 20 user defined DSP presets are available.
| Minimum Guaranteed Power | CDi 1000 | CDi 2000 | CDi 4000 | | Per channel, both channels driven | 2 ohm Dual (per channel) 4 ohm Dual (per channel) 8 ohm Dual (per channel) 4 ohm Bridge-Mono 70V Dual (per channel) 140V Bridge-Mono | 700W* 500W 275W 1,400W* 500W 1000W | 1,000W* 800W 475W 2,000W* 800W 1600W | 1,600W* 1,200W 650W 3,200W* 1000W 2000W | With 0.5% THD *With 1% THD | Specifications | Frequency Response (at 1 watt into 4 ohms, 20Hz - 20 kHz) | +0/–1 dB | | Signal to Noise Ratio (below rated 8-ohm power at 1 kHz, A-weighted) | 100 dB | | Damping Factor (8 ohm): 20 Hz to 400 Hz | > 500 | | Input Stage | Input is electronically balanced and employs precision 1% resistors | | AC Line Current | CDi 1000: 11.50A, CDi 2000: 11.93A, CDi 4000: 11.75A At idle: Draws no more than 45 watts. | | Crosstalk (below rated power) 20 Hz to 1 kHz | > 70 dB | | Input Impedance (nominal) | 20 kilohms balanced, 10 kilohms unbalanced | Load impedance (note: safe with all types of loads) Dual Bridge mono | 2–8 ohms 4–16 ohms | | Voltage Gain (at 1 kHz, 8 ohm rated output) | CDi 1000: 30.5 dB, CDi 2000: 32.9 dB, CDi 4000: 34.2 dB | | Sensitivity (at 8 ohm rated output) | 1.4V | | Maximum Input Signal | +22 dBu typical | | Operating Temperature | 0° C to 40° C at 95% relative humidity (non-condensing) | | AC Line Voltage and Frequency Configurations Available (± 10%) | 100V, 120V-240V, 50/60 Hz | | Ventilation | Flow-through ventilation from front to back | | Cooling | Heat sinks and proportional-speed fan | | Dimensions: Width, Height, Depth (behind mounting surface) | EIA Standard 19 in. W (EIA RS-310-B) x 3.5 in. (8.9 cm) H x 12.25 in. (31.1cm) D | | Net Weight, Shipping Weight | 19 lb (8.6kg), 22 lb (10.0 kg) | |