1. Introduzzjoni
This manual provides essential information for the safe and efficient operation of your Crown XLi1500 Two-Channel Power Amplifier. The XLi Series amplifiers are designed for reliable performance in various audio applications.
2. Informazzjoni dwar is-Sigurtà
TWISSIJA: Dan il-prodott fih kimiċi magħrufa mill-Istat ta’ Kalifornja li jikkawżaw kanċer u difetti fit-twelid jew ħsara riproduttiva oħra. Għal aktar informazzjoni, żur www.P65Warnings.ca.gov.
Always ensure proper ventilation and avoid blocking cooling vents. Do not expose the unit to moisture or extreme temperatures. Refer to the full safety guidelines in the included documentation.
3. Karatteristiċi ewlenin
- Two-channel power amplifier with Stereo, Parallel, and Bridge-Mono modes.
- Output Power: 450W at 4 Ohm Dual, 330W at 8 Ohm Dual, 900W at 8 Ohm Bridged.
- User-selectable input sensitivity: 0.775V or 1.4V.
- Efficient forced-air cooling system.
- Electronically balanced RCA & XLR inputs.
- Binding post and Speakon outputs.
- Advanced protection circuitry against shorts, no-load conditions, on/off thumps, and radio-frequency interference.
- Front panel controls: Two level controls, power switch, power LED, and six LEDs (signal presence, clip, fault for each channel).
4. X'hemm fil-Kaxxa
- Crown XLi1500 Power Ampaktar ħaj
5. Setup
5.1 Installazzjoni Fiżika
The Crown XLi1500 is designed for rack mounting. Use the rack ears on the sides of the amplifier to secure it into a standard 19-inch equipment rack.

Figura 1: Quddiem view tal-Crown XLi1500 Power Amplifier. This image shows the front panel with level controls, power switch, and LED indicators.
5.2 Konnessjonijiet
Tiżgura l- amplifier is powered off before making any connections.

Figure 2: Rear panel of the Crown XLi1500 Power Amplifier, detailing input and output connections.
5.2.1 Konnessjonijiet tal-Input
Il- amplifier features electronically balanced RCA and XLR inputs for each channel (Channel A and Channel B). Connect your audio source (e.g., mixer, preamplifier) to these inputs.
- Inputs RCA: For unbalanced audio signals.
- Inputs XLR: For balanced audio signals, recommended for longer cable runs to minimize noise.
A user-selectable input sensitivity switch allows you to choose between 0.775V and 1.4V, matching the output level of your source equipment.
5.2.2 Konnessjonijiet ta' Output
Qabbad il-kelliema passivi tiegħek mal- amplifier's outputs using Speakon or binding post connectors.
- Speakon Outputs: For secure and reliable speaker connections.
- Riżultati tal-Post Vinkolanti: Compatible with bare wire, banana plugs, or spade connectors.
5.3 Għażla tal-Modalità
Il- amplifier supports three operating modes, selectable via a switch on the rear panel:
- Mod Stereo: Each channel operates independently, providing separate left and right audio signals to two speakers.
- Modalità Parallel: Both channels receive the same input signal but drive separate speakers. This is useful for driving multiple speakers with a mono source.
- Bridge-Mono Mode: Combines the power of both channels into a single, higher-power output for driving a single, high-power speaker (e.g., a subwoofer). Ensure the speaker's impedance is compatible with the bridged output.
5.4 Low-Pass Filter
Il- amplifier includes a low-pass filter switch. When activated, this filter will only pass frequencies below 80Hz to the connected speakers. This is particularly useful when powering subwoofers, ensuring they only reproduce low-frequency content.
5.5 Gwida bil-Vidjo tas-Setup
Video Description: This video provides a step-by-step guide on how to set up your D Series amplifiers, including connections and basic configuration.
6. Istruzzjonijiet Operattivi
6.1 Kontrolli u Indikaturi tal-Panew ta' Quddiem
The front panel provides essential controls and visual indicators for monitoring ampstatus ta 'lifier.
- Swiċċ tal-Enerġija: Dawwar il- amplifier mixgħul jew mitfi.
- Kontrolli tal-Livell: Adjust the output volume for Channel A and Channel B independently.
- LED tal-qawwa: Jdawwal meta l- amplifier huwa mixgħul.
- LED tas-Sinjal: Illuminates when an audio signal is present on the respective channel.
- Clip LED: Illuminates when the output signal is clipping, indicating potential distortion. Reduce the input level or amplifier gain to prevent clipping.
- LED tal-ħsara: Jixgħel jekk amplifier enters protection mode due to an issue (e.g., short circuit, overheating, impedance mismatch).
6.2 Display LCD
The integrated LCD display provides real-time information about each channel:
- Decibel (dB) Level: Shows the current output level for Channel A and Channel B. Adjust the level controls to modify this.
- Temperatura: Displays the operating temperature of each channel, allowing you to monitor for potential overheating.
6.3 Output tal-Enerġija
The Crown XLi1500 delivers the following power outputs:
- Dual Channel, 4 Ohm: 450 Watt għal kull kanal
- Dual Channel, 8 Ohm: 330 Watt għal kull kanal
- Bridge-Mono, 8 Ohm: 900 Watts totali
7. Manutenzjoni
Biex tiżgura l-lonġevità u l-aħjar prestazzjoni tiegħek amplifer, segwi dawn il-linji gwida tal-manutenzjoni:
- Tindif: Uża drapp ratba u niexfa biex tnaddaf il-barra tal- amplifier. Avoid liquid cleaners or solvents.
- Ventilazzjoni: Regularly check that the forced-air cooling vents are clear of dust and obstructions. Proper airflow is crucial to prevent overheating.
- Ħażna: Aħżen il- amplifier in a cool, dry environment away from direct sunlight and extreme temperatures.
8 Issolvi l-problemi
Jekk tiltaqa' ma' problemi bil- amplifier, consider the following common troubleshooting steps:
- Ebda Qawwa: Ensure the power cable is securely connected and the power switch is on. Check the power outlet.
- Ebda Ħsejjes: Verify all input and output cables are correctly connected. Check the input sensitivity setting and ensure the level controls are not set to minimum. Confirm the operating mode (Stereo, Parallel, Bridge-Mono) is appropriate for your setup.
- Distorted Sound (Clip LED On): Reduce the input signal level from your source or lower the amplifier's level controls until the Clip LED no longer illuminates.
- Protect LED On: Dan jindika l- amplifier has entered protection mode. Power off the unit, check all speaker connections for short circuits, ensure speaker impedance is within the amplifier's specifications, and allow the unit to cool down if it's hot. Restart after resolving the issue.
- Excessive Heat (High Temperature on LCD): Ensure the cooling vents are unobstructed and the amplifier has adequate airflow. Reduce the load or operating volume if necessary.
9. Speċifikazzjonijiet
| Attribut | Valur |
|---|---|
| Brand | Kuruna |
| Numru tal-Mudell | NXLI1500 |
| Numru ta 'Kanali | 2 |
| Output Power (4 Ohm Dual) | 450 Watt għal kull kanal |
| Output Power (8 Ohm Dual) | 330 Watt għal kull kanal |
| Output Power (8 Ohm Bridged) | 900 Watts |
| Sensittività tad-dħul | 0.775V or 1.4V (selectable) |
| Dimensjonijiet tal-oġġett (L x W x H) | 12.4 x 19 x 3.5 pulzieri |
| Piż tal-oġġett | 28 liri |
| Tip ta 'Immuntar | Rack Mount |
| Materjal | Metall |
| Kulur | Iswed |
| Provvista Massima Voltage | 220 Volts (AC) |
| Provvista Minima Voltage | 0.78 Volts |
| Speċifikazzjoni Met | CE, FCC, Safety and Regulatory Standards |
10. Garanzija u Appoġġ
A Manufacturers Limited Product Warranty for Crown Audio products applies only when the purchase is made from Crown Audio Authorized North American Dealers. Please refer to Crown Audio's official website or contact their customer support for complete warranty details and support information.





