CELTO 18SW1200 18" Subwoofer Driver Ferrite Magnet Aluminium Basket 2400W

Description

The CELTO 18SW1200 is a high-performance 18-inch subwoofer designed for professional audio systems requiring deep, powerful, and controlled low-frequency output. Engineered with a robust ferrite magnet and die-cast aluminium chassis, it delivers high efficiency and reliability in demanding environments. Its long excursion design and advanced cooling system ensure consistent performance with low distortion, making it ideal for PA systems, touring rigs, and custom subwoofer enclosures.

Features

18-inch professional subwoofer for high-output low-frequency applications
1200 W AES power handling with 2400 W program capacity
High sensitivity of 97 dB for efficient performance
Long excursion design for deep and punchy bass response
Low distortion performance for clean sound reproduction
DCS deflective cooling system for improved thermal management
4-inch voice coil with high-temperature copper winding
Kevlar-loaded, water-resistant paper cone for durability
Die-cast aluminium chassis for strength and heat dissipation
Optimised for compact cabinet designs

Specifications

Nominal diameter: 460 mm (18")
Power handling: 1200 W AES, 2400 W program
Impedance: 8 ohms
Sensitivity: 97 dB (1W/1m)
Voice coil diameter: 100 mm (4")
Voice coil material: Copper, 240°C thermal class
Voice coil former: DUPONT GFB fibreglass
Voice coil winding: 2 layers IN/OUT
Xmax: ±10 mm
Xmech: 50 mm peak-to-peak
Magnet: Ø220 mm ferrite (Y35)
Chassis: Die-cast aluminium
Cone: Fibre-loaded, waterproof treated paper
Suspension: Triple roll impregnated fabric
Spider: Dual NOMEX with silicon damping

Thiele-Small Parameters

Resonant frequency (Fs): 35 Hz
Qms: 10.351
Qes: 0.427
Qts: 0.412
Vas: 205 litres
Mms: 215 g
Cms: 0.0962 mm/N
Re: 5.7 ohms
Le (1 kHz): 1.98 mH
BL factor: 25.1
Sd: 1225 cm²
Vd: 1.225 litres
Efficiency (n0): 2.03%

Mounting and Dimensions

Overall diameter: 470 mm
Bolt circle diameter: 445 mm
Cut-out diameter: 422 mm
Mounting depth: 212 mm
Flange thickness: 13 mm
Weight: 13.00 kg
Shipping weight: 15 kg