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Crown XTi 4000 Power Amplifier
1600W/ch @ 2 ohms, 1200W/ch @ 4 ohms, 650W/ch @ 8 ohms, 3200W bridged mono @ 4 ohms, 2400W bridged mono @ 8 ohms.
The XTI Series of Crown amplifiers are professional tools designed and built for portable PA applications. All are rugged, lightweight, and feature an LCD screen with DSP speaker presets for crossover frequencies, EQ, limiting, delay, a subharmonic synthesizer. Other features include a switch-mode universal power supply, useful function indicators, proportional-speed fan assisted cooling, XLR inputs, Speakon©, and binding-post outputs, short-circuit protection and more.
 
Crown XTi 4000 Power Amplifier Specifications:
- Voltage Gain at 1kHz, 8 ohm rated output:
- XTi 4000: 34.2dB
Frequency Response: ±0.25 dB from 20 Hz to 20 kHz at 1 watt into 4 ohms
Phase Response (at 1 watt, 20 Hz to 20 kHz): ±15ø
Load Impedance: Safe with all types of loads. Rated for 2 to 8 ohms in Stereo mode, 4 to 16 ohms in Bridge-Mono mode
Sensitivity: 1.4V
Signal to Noise Ratio (below rated 1 kHz power at 8 ohms): _105 dB (A weighted).
Damping Factor: Better than 500 from 20 Hz to 500 Hz.
Crosstalk: > 80 dB below rated power, 20 Hz to 1 kHz.
Common Mode Rejection (CMR): > 45 dB from 20 Hz to 1 kHz._Input Stage: Input is electronically balanced and employs precision 1% resistors.
Input Impedance (nominal): 20 k ohms, balanced;10 k ohms, unbalanced.
Maximum Input Signal: +22 dBu typical
AC Line Voltage and Frequency Configurations Available: 100V, 120V, 220-240V _50/60 Hz
AC Line Current:
- XTi 4000: 8.0A
At Idle: Draws no more than 90 watts.
Operating Temperature: 0ø C to 40ø C at 95% relative humidity (non-condensing).
DSP Section
EQ: 4-band paragraphic per channel, boost/cut ±12 dB. Also adjustable high and low shelving filters
Filters: Highpass and lowpass per channel. Butterworth 6/12/18/24 dB per octave. High and low shelving filters, one per channel
Delay: For signal alignment of driver; 5 mS total delay
Subharmonic Synthesizer: Adds low-frequency content
Output limiter: Prevents clipping
Presets: 10 user speaker presets
Front Panel Controls and Indicators
Level: Detented rotary level control, one per channel
Power Switch: On/off switch applies AC power to the amplifier
Sel/Prev/Next Buttons: Three buttons near the LCD screen are used to access menu items
LCD Screen: Backlit liquid crystal display shows speaker presets
Signal Indicator: Green LED, one per channel, flashes when a very low-level signal is present at input
10 Indicator: Green LED flashes when output signal exceeds 10 dB below clip.
20 Indicator: Green LED flashes when output signal level exceeds 20 dB below clip
Ready Indicator: Green LED, one per channel, illuminates when the amplifier is ready to produce audio
Clip Indicator: Red LED, one per channel, turns on at the threshold of audible distortion
Temp/Fault Indicator: Red LED, one per channel, illuminates under Fault or excessive temperature conditions
Power Indicator: Blue LED illuminates when the amplifier has been turned on and has power
Rear Panel Controls and Connectors
AC Line Connector: NEMA 5-15P (15A)
Input Connector: XLR, one per channel
Link/Out Connector: Loop-thru signal from input connector for linking
  
  
Crown XTi 4000 Power Amplifier Features:
- Integrated proprietary DSP with LCD front panel display
- 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
- Speaker presets for crossover frequencies, EQ, limiting, and delay
- All products fill 2U rack spaces and weigh under 17 pounds
- Speakon© and binding post outputs, XLR inputs and loop-thrus
- Comprehensive LED status per channel
- 3-year, no-fault, fully-transferable warranty
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