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The CDi Series of Crown amplifiers are professional tools designed and built for installed sound applications. “CDi” stands for Contractor Digital Intelligence. The series includes two models which are identical except for output power: CDi 1000 and CDi 2000. Both are rugged and lightweight, and offer unmatched value in their class.
CDi Series amplifiers feature an LCD screen with DSP speaker presets for crossover frequencies, EQ, limiting, compression, delay, and a subharmonic synthesizer. Other features include a switch-mode universal power supply, useful function indicators, proportional-speed fan-assisted cooling, removable Phoenix-style inputs, barrier strip outputs for low-Z or 70V/140V loads, short-circuit protection and more.
Features:
- Accurate, uncolored sound with very low distortion for the best in music and voice reproduction
- Advanced protection circuitry guards against: shorted outputs, open circuits, DC, mismatched loads, general overheating, high-frequency overloads and internal faults
- Extremely versatile, handling a wide range of speaker impedances and outputs
- Switch-mode universal power supply
- Integrated DSP with LCD front panel display
- Speaker presets for crossover frequencies, EQ, limiting, compression, delay, and subharmonic synthesis
- All products fill 2U rack spaces and weigh under 19 pounds
- Barrier strip outputs for low-Z or 70V/140V loads, removable Phoenix-style inputs
- Three-Year, No-Fault, Fully Transferable Warranty completely protects your investment and guarantees its specifications
Specifications
| Frequency Response (at 1 watt into 4 ohms, 20Hz - 20 kHz) |
+0/–1 dB
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| Signal to Noise Ratio (below rated 8-ohm power at 1 kHz, A-weighted) |
100 dB
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| Damping Factor (8 ohm): 20 Hz to 400 Hz |
> 500
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| Input Stage |
Input is electronically balanced and employs
precision 1% resistors
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| AC Line Current |
CDi 1000: 11.50A, CDi 2000: 11.93A, CDi 4000: 11.75A
At idle: Draws no more than 45 watts.
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| Crosstalk (below rated power) 20 Hz to 1 kHz |
> 70 dB
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| Input Impedance (nominal) |
20 kilohms balanced, 10 kilohms unbalanced
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Load impedance (note: safe with all types of loads)
Dual
Bridge mono |
2–8 ohms
4–16 ohms
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| Voltage Gain (at 1 kHz, 8 ohm rated output) |
CDi 1000: 30.5 dB, CDi 2000: 32.9 dB, CDi 4000: 34.2 dB
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| Sensitivity (at 8 ohm rated output) |
1.4V
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| Maximum Input Signal |
+22 dBu typical
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| Operating Temperature |
0° C to 40° C at 95% relative humidity (non-condensing)
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| AC Line Voltage and Frequency Configurations Available (± 10%) |
100V, 120V-240V, 50/60 Hz
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| Ventilation |
Flow-through ventilation from front to back
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| Cooling |
Heat sinks and proportional-speed fan
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| 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
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| Net Weight, Shipping Weight |
19 lb (8.6kg), 22 lb (10.0 kg)
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| Minimum Guaranteed Power |
CDi 1000
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CDi 2000
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CDi 4000
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CDi 6000
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| 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
1,000W
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1,000W*
800W
475W
2,000W*
800W
1,600W
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1,600W*
1,200W
650W
3,200W*
1,000W
2,000W
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3,000W*
2,100W
1,200W
6,000W*
2,500W*
5,000W
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With 0.5% THD
*With 1% THD |
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