Celestion CF1840JD
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Information
Information
Manufacturer Information
Celestion
https://www.celestion.com
info@celestion.com
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Safety manager:
Algam SAS
Email: contact@algam.net
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A Celestion Heritage Dedicated to Sound Reinforcement
While Celestion is legendary in the guitar and bass world, the British brand is equally distinguished in sound reinforcement. The CF series includes speakers designed for demanding sound systems, where mechanical robustness and consistent performance are paramount. The CF1840JD fits this lineage with a die-cast aluminum frame and architecture engineered to deliver the Celestion sound signature expected by professionals.
Who Is It For and What Are Its Uses?
The CF1840JD is aimed at contractors, integrators, venues, and speaker manufacturers seeking a reliable 18-inch driver for low frequencies. It is particularly suitable for bass enclosures and sound reinforcement subwoofers, as well as high-power two-way systems requiring a solid foundation in the low end of the spectrum.
Technical specifications
| Cabinet impedance (Ω) | 8 Ω | Chassis | aluminium |
| Speaker diameter | 18" | Coil diameter | 4 " |
| Frequency response | 30 Hz - 2,5 kHz | Depth | 220 mm |
| Sensitivity | 98 | Power output | 1200 W |
| Category | loudspeaker | Weight | 11.6 kg |
| Magnet | Ferrite | ||
Questions frequently asked
Is the Celestion CF1840JD suitable for a sound reinforcement bass cabinet?
This model is designed for bass and subwoofer sound reinforcement cabinets thanks to its 18-inch diameter. Its specified frequency response from 30 Hz to 2.5 kHz covers bass and low midrange frequencies.
What power handling does this 18-inch loudspeaker support?
The specified power rating is 1,200 W. The 4-inch voice coil is designed to handle high power levels.
What impedance should be considered for the amplifier?
The nominal impedance is 8 ohms, a value suitable for many amplifier and crossover configurations.
Is the loudspeaker chassis robust enough for sound reinforcement?
The frame is made from die-cast aluminum to ensure high mechanical stiffness. This construction limits deformation at high output levels. The ferrite magnet contributes to thermal stability during extended use.
What is the sensitivity of the CF1840JD?
The specified sensitivity reaches 98 dB for an 18-inch loudspeaker weighing 11.6 kg.



