Celestion T5863 CF1840JD Ferrite Magnet Aluminium Chassis Driver Speaker 18-Inch 1000-Watt 8OHM

Celestion T5863 CF1840JD Ferrite Magnet Aluminium Chassis Driver Speaker 18-Inch 1000-Watt 8OHM

This 18-inch low-frequency driver is built for high-output loudspeaker designs, combining strong power handling, high sensitivity, and advanced motor/thermal features to help maintain performance under demanding use.

• 18-inch ferrite magnet LF driver with cast aluminum chassis
• 1200W RMS (AES) power handling
• 98dB sensitivity
• 4-inch high-temperature, dual-layer Inside/Outside voice coil to improve efficiency and reduce thermal compression
• FEA-optimized magnet assembly and suspension for highly symmetrical cone movement and very low harmonic distortion
• Vented magnet assembly for increased airflow and enhanced cooling
• Twin demodulation rings to reduce flux modulation and minimize electromagnetic distortion
• Double suspension with multi-roll surround for exceptional linearity at high excursion

Designed with motor symmetry and thermal management in mind, this driver supports clean, controlled LF reproduction while helping reduce distortion and sensitivity loss during extended high-power operation.

Specifications

• Nominal Diameter: 18 inches
• Magnet Type: Ferrite
• Chassis: Cast aluminum
• Power Handling: 1200W RMS (AES standard)
• Sensitivity: 98dB (measured on-axis at 1W / 1m in 2 anechoic environment)
• Voice Coil: 4 inches, high-temperature, dual-layer Inside/Outside winding
• Cooling: Vented magnet assembly for enhanced airflow
• Distortion Control: Twin demodulation rings to reduce flux modulation
• Suspension: Double suspension with multi-roll surround for linear excursion

Measurement and Test Notes

• Tested for two hours using continuous, band-limited pink noise per AES standard; power calculated on minimum impedance; tested in free air
• Sensitivity measured on-axis at 1W, 1m in a 2 anechoic environment
• Xmax derived from: (voice coil winding width – gap depth) / 2

Manufacturer:Celestion Industries, Inc.
Model:T5863
SKU:I789610-N-6-WHXD
UPC: 739894586351

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