Crown Audio I-T4000 Two-Channel Power Amplifier 1250W 8 Ohms - USED

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Description

The unique hybrid design of the I-T4000 melds the high power, high output voltage, and clean transient response of a huge, heavy, old-school power amp, with onboard programmable DSP dynamics processing, computer networking capability, digital connectivity, and 24-bit/96 kHz A/D - D/A converters. All of which is packed into a lightweight 2 RU chassis of aluminum construction, weighing only 28 lbs.

The rear panel of the I-T4000 is largely devoted to color-coded connector groups, all separately grouped and clearly labeled, which certainly simplifies the setup process.

The I-T4000 DSP collection includes a time-align delay, an RTA section, a crossover section, compression, limiting and various graphic EQ's: this effectively replaces 5 or 6 pieces of gear in the rack. The 3 quick-access programming buttons are conveniently located directly below the large, brightly lit LCD display, itself a welcome feature, considering the inadequate lighting encountered in many live situations. The screen also offers full views of diagnostics and operating status information.

Computers, digital consoles, and digital recording setups are enjoying an increasing presence in professional touring rigs, and sound installations in larger venues, theaters, and houses of worship. The progressive design of the I-T4000, created by one of the planet's premier amplifier manufacturers, shows foresight, practicality, and relevance to the many options available in the Age of Digital.

  • High power density, 2RU chassis rackmount power amplifier with 1250 Watts per side at 8 Ohms, 4000 Watts at 8 Ohms Bridged Mono, and 200 Volt peak output voltage
  • Patented Class I circuitry for efficient power and low current drain, high output voltage for clean transient peak response
  • Unique analog/digital hybrid amplifier design, lightweight aluminum construction
  • Global Power Supply works worldwide, 5 power cables conveniently provided to accommodate different location AC outlets; lightweight, switching power supply type reduces overall amplifier weight
  • On-board programmable DSP with 24-bit, 96 kHz A/D and D/A converters provides built-in digital dynamics processing including compression, limiting and filtering
  • AES/EBU XLR digital audio input, RJ-45 Ethernet connector with full proprietary IQ and TCP/IQ multi-amp networking capability
  • Analog and AES/EBU digital XLR thru connectors
  • Color-coded rear panel connector group labels
  • Large, backlit LCD display with diagnostics and status information, 3 dedicated Menu/Parameter and navigation buttons for DSP programming
  • Complete front panel amplifier controls, pushbutton presets for quick loudspeaker setups and optimizing with downloadable custom presets available
  • Comprehensive array of color-coded signal, function and protection front panel LED indicators
  • Advanced thermal and fault protection circuitry includes coverage of short circuits, DC, mismatched loads, general overheating, under/over voltage, high frequency overloads and internal channel signal faults
  • Microprocessor control of two discrete thermal zones, variable speed fan cooling with front-to-back forced air flow
Power Rating 1250W @ 8Ω Stereo (per channel)
2000W @ 4Ω Stereo (per channel)
1800W @ 2Ω Stereo (per channel)
3600W @ 4Ω Bridged-Mono
4000W @ 8Ω Bridged-Mono
Damping Factor >5000(8 Ohms, 20 Hz - 100 Hz)
Input Sensitivity Adjustable in 0.1V steps from 1.4V - 7.75V
Input Impedance 20 kOhms(Balanced)
10 kOhms(Unbalanced)
Gain 37.1 dB to 22.2 dB(referenced to 8 Ohm rated output)
Frequency Response 20 Hz -20 kHz, +/-0.25 db @ 1 Watt
Signal-to-Noise Ratio >105 dB
Total Harmonic Distortion (THD)
Input Connections 2 x XLR Female, Balanced
1 x XLR Female AES/EBU Digital
1 x RJ-45 TCP/IQ Network Connector
Output Connectors 2 x XLR Male passive analog loop-through
1 x XLR Male AES/EBU Digital loop-through
2 x 2-Pole or 4-Pole Speakon Outputs
4 x 5-way Binding Posts(1 pair per channel)
1 x 20 Amp IEC Power Cord Out
Controls Front Panel 2 x Channel 1, 2 Output Level Controls
1 x Power Switch
1 x Menu/Exit Button
1 x Previous Button
1 x Next Button
Controls (Rear) 1 x Reset Switch for Circuit Breaker
Indicators 2 x Red LED Fault Indicators
2 x Red LED Thermal Indicators
2 x Red Clip LED Indicators
2 x Green LED -10 dB Signal Indicators
2 x Green LED -20 dB Signal Indicators
2 x Green LED Signal Present Indicators
2 x Green LED Channel Ready Indicators
1 x Blue LED Power Indicator
1 x Yellow LED Bridge Mode Indicator
1 x Yellow LED TCP/IQ Data Indicator
Cooling Continuously Variable Speed Fans (Dual Zone, Microprocessor Controlled)
Front-to-Back Airflow
Power Consumption 120 VAC:
0.8 Amps Idle, Sleep Mode
1.6 amps Idle, Awake
5.3 Amps, 1/8 Power Pink Noise(8 Ohm Load per Channel/16 Ohms Bridged)
10.9 Amps, 1/3 Power Pink Noise(8 Ohm Load per Channel/16 Ohms Bridged)*
7.8A, 1/8 Power Pink Noise (4 Ohm load per channel, 8 Ohms bridged)
17.8A, 1/3 Power Pink Noise (4 Ohm load per channel, 8 Ohms bridged)
8A, 1/8 Power Pink Noise (2 Ohm load per channel, 4 Ohms bridged)
17.7A, 1/3 Power Pink Noise (2 Ohm load per channel, 4 Ohms bridged)208 VAC:
0.95 Amps Idle, Sleep Mode
1.4 amps Idle, Awake
3.4 Amps, 1/8 Power Pink Noise(8 Ohm Load per Channel/16 Ohms Bridged)
6.6 Amps, 1/3 Power Pink Noise(8 Ohm Load per Channel/16 Ohms Bridged)*
4.7A, 1/8 Power Pink Noise (4 Ohm load per channel, 8 Ohms bridged)
10.5A, 1/3 Power Pink noise (4 Ohm load per channel, 8 Ohms bridged)
4.8A, 1/8 Power Pink Noise (2 Ohm load per channel, 4 Ohms bridged)
10.7A, 1/3 Power Pink Noise (2 Ohm load per channel, 4 Ohms bridged)230 VAC:
0.9 Amps Idle, Sleep Mode
1.3 amps Idle, Awake
3.1 Amps, 1/8 Power Pink Noise (8 Ohm Load per Channel/16 Ohms Bridged)
6.0 Amps, 1/3 Power Pink Noise (8 Ohm Load per Channel/16 Ohms Bridged)*
4.4A, 1/8 Power Pink Noise (4 Ohm load per channel, 8 Ohms bridged)
9.5A, 1/3 Power Pink Noise (4 Ohm load per channel, 8 Ohms bridged)
4.4A, 1/8 Power Pink Noise (2 Ohm load per channel, 4 Ohms bridged)
9.4A, 1/3 Power Pink Noise (2 Ohm load per channel, 4 Ohms bridged)
*Typical of operation with severely clipped program material
Power Requirements 100-240 VAC, 50/60 Hz
Dimensions 19 x 3.5 x 16.2" (482.6 x 89 x 411mm)
Weight 28 lbs (10.5 kg)
Specialties Onboard Programmable DSP
AES/EBU Connectors
Onboard Sample Rate Conversion
Large Backlit LCD Screen

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