Crown DCi 4|300 Analog Installation Power Amplifier
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Description
The DCi 4|300 is a four-channel analog installation amplifier from the Crown DriveCore Install series, rated at 300W per channel into 4 ohms in a 2U chassis. Each channel drives low-impedance speakers or a 70V or 100V distributed line directly, and channel pairs can be bridged for higher-power loads such as subwoofers.
A remote on/off interface lets a control system switch the amplifier on and off, and the power factor corrected universal power supply runs on 100 to 240V AC. Crown designs the DCi series for system integrators working on installed sound.
Features
- DriveCore amplifier technology in a 2U chassis
- Direct drive 70V or 100V output with no step-up transformer, so speaker runs can use smaller-gauge wire
- Hi-Z or low-Z selection channel by channel: one or two speakers per channel in low-Z mode, or hundreds of speakers in high-Z mode
- Bridgeable channel pairs, including in 100V mode
- Remote on/off interface for control systems
- Internal fans direct airflow at the parts that generate the most heat
- Power factor corrected (PFC) universal power supply
Specifications
- Channels: 4
- Inputs: Balanced analog
- Output power per channel, all channels driven: 150W at 2 ohms, 300W at 4 ohms, 300W at 8 ohms, 150W at 16 ohms, 300W at 70V, 300W at 100V
- Bridge mono output power: 300W at 4 ohms, 600W at 8 ohms, 600W at 16 ohms, 600W at 140V, 600W at 200V
- Power rating: Minimum guaranteed power, 20 Hz to 20 kHz
- Frequency response: ±0.25 dB, 20 Hz to 20 kHz (8 ohms)
- THD: 0.35% at full rated power, 20 Hz to 20 kHz
- Signal-to-noise ratio: More than 108 dB (A-weighted)
- Voltage gain: 34 dB
- Input impedance: 10k ohms balanced, 5k ohms unbalanced
- Maximum input level: +20 dBu before compression, +26 dBu before clipping
- Damping factor: More than 1000 (20 Hz to 100 Hz)
- Load impedance: 2 to 16 ohms, 70V and 100V (dual mode); 4 to 16 ohms, 140V and 200V (bridge mono)
- Cooling: Continuously variable speed forced air, front-to-back airflow
- Maximum fan noise: 45 dBA SPL at 1 m
- AC mains: 100 to 240V AC, 50/60 Hz
- Power connector: 15A IEC
- Rack space: 2U
- Dimensions (W x H x D): 19 x 3.5 x 14.25 in. (483 x 89 x 362 mm)
- Weight: 20.1 lb (9.12 kg)
In the Box
- DCi 4|300 amplifier
- AC power cord
- Plug-in input connectors, one for each input
- Spade connectors for the speaker outputs