Product Description
The JBL PRX900 Series PRX918XLF Amplifier Module is a replacement amplifier assembly designed for servicing the JBL PRX918XLF powered 18-inch subwoofer. It is intended for professional repair and replacement applications when the original amplifier module has failed or requires replacement.
The PRX918XLF is equipped with a highly efficient Class D amplification system and is rated at 1,000 watts RMS / 2,000 watts peak as a complete powered subwoofer system. JBL's PRX900 service documentation identifies the shared PRX900 amplifier module as part number 5135054-00 or 5137452-00, depending on location.
A critical consideration when replacing the amplifier module is firmware configuration. JBL states that the PRX915XLF and PRX918XLF use the same amplifier module hardware but require the appropriate model firmware selection. After installation, the module must be configured for the correct speaker model. JBL cautions that selecting the incorrect model can cause damage to the amplifier or drivers.
This amplifier module is intended for qualified service technicians and professional audio repair applications.
Features
- Replacement amplifier module for JBL PRX900 Series powered subwoofers
- Compatible with JBL PRX918XLF when correctly configured
- Class D amplifier technology
- JBL PRX900 Series amplifier platform
- Designed for professional powered subwoofer repair
- Supports the PRX918XLF's 1,000W RMS / 2,000W peak system configuration
- Shared PRX900 amplifier hardware platform
- Requires correct PRX918XLF model/firmware configuration
- Suitable for professional service and replacement applications
Applications
- JBL PRX918XLF Subwoofer Repair
- Powered Subwoofer Amplifier Replacement
- Professional Audio Service
- Rental Equipment Repair
- PA System Maintenance
- Speaker Refurbishment
- Professional Audio Parts Replacement
Specifications
General
- Manufacturer: JBL
- Series: PRX900
- Compatible Model: PRX918XLF
- Component Type: Replacement Amplifier Module
- Amplifier Technology: Class D
- Application: Powered Subwoofer Service and Repair
Amplifier Module Part Numbers
- JBL Part Number: 5135054-00
- JBL Part Number: 5137452-00
- Part number availability may vary by location.
PRX918XLF System Reference
- System Type: 18-Inch Powered Subwoofer
- Woofer: JBL 918SG 18-Inch
- Woofer Impedance: 4Ω
- System Power: 1,000W RMS / 2,000W Peak
- Maximum SPL: 134 dB
- Frequency Range: 30Hz–110Hz (-10 dB)
- Frequency Range: 35Hz–92Hz (-3 dB)
- Cooling: Natural Convection / Fanless
- Inputs: 2 × XLR Combo
- Outputs: 2 × XLR Pass-Through
- Crossover Frequencies: 80Hz, 100Hz, 120Hz Selectable
Compatibility
- JBL PRX918XLF Professional Powered 18-Inch Subwoofer
Important Firmware Note
The PRX900 Series shares amplifier module hardware between the PRX915XLF and PRX918XLF, but the amplifier requires the correct firmware/model selection for the speaker being serviced. JBL specifically identifies PRX915XLF and PRX918XLF model selections and warns that choosing the incorrect model can damage the amplifier or drivers.
Verify the original amplifier part number, speaker model, voltage/location requirements, and firmware configuration before ordering. Professional installation is recommended.
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