TheVRack Amplification System RackfromCrown Audiois comprised of a rugged touring rack fitted with three IT4X35000HD DriveCore Series amplifiers, a power input panel, and a custom engineered input panel. The input panel is mounted at the top rear and suppl
TheVRack Amplification System RackfromCrown Audiois comprised of a rugged touring rack fitted with three IT4X35000HD DriveCore Series amplifiers, a power input panel, and a custom engineered input panel. The input panel is mounted at the top rear and supplies CobraNet network connections as well as AES/EBU and analog XLR connections. The front-mounted power panel includes a 5-pin Hubbell Twist-Lock connector and a 5-pin CEE-Form connector.
The VRack features Colson 3.5″ polyurethane casters rated at 250 lb each, a Polycarbonate, UV stabilized front see-through door, shockmounting using 8 neoprene rubber isolators, and a captive pocket door system with a single-slam latch.
Features
Specifications
Amplifier
| Number of Channels | 12 |
| Amplifier Power Rating | 115 VAC, 2 Ohms: 3x 3500 W |
| Load Impedance / Voltage | Stereo: 2 / 4 / 8 / 16 Ohms Bridged: 2 / 4 / 8 Ohms Bridged/Stereo: 70 / 100 V |
Performance
| Frequency Response | 20 Hz to 20 kHz |
| Damping Factor | > 5000 |
| Input Sensitivity | 1.28 V to 8 V |
| Input Impedance | 20 Kilohms (Balanced) 10 Kilohms (Unbalanced) |
| Max Gain | 222 dB (at 8 Ohms) |
| Max Input Level | +21 dBu |
| SNR | > -108 dB |
| THD | < 0.35% (at Rated Power) |
| Intermodulation Distortion | < 0.06% |
| Crosstalk | > 80 dB (20 Hz to 1 kHz, Below Rated Power) |
| Common Mode Rejection Ratio (CMRR) | > 55 dB |
Signal Processing
| Sample Rate | Up to 96 kHz |
| AD/DA Conversion | A/D:24-Bit D/A:24-Bit |
| DSP | 32-Bit Floating Point DSP |
| Latency | At 96 kHz: 1.1 ms |
| Crossover | Yes |
| Limiting | Yes |
Connectivity
| Analog Audio I/O | 2x XLR 3-Pin Female Balanced Input 2x XLR 3-Pin Male Balanced Output |
| Digital I/O | 2x XLR AES3 Input 2x XLR AES3 Output 2x etherCON CobraNet Input/Output |
Power
| AC Input Power | 120 to 208 VAC, 50 / 60 Hz |
| AC Power Connector | 1x Hubbell (Locking) |
Physical
| Dimensions | 23.5 x 31.3 x 22.5″ / 59.7 x 79.4 x 57.2cm |
| Weight | 187lb / 84.8kg |
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