Overview

The 18 SOUND 21NTLW5000-8 is a cutting-edge low frequency loudspeaker, pushing the boundaries of sound with its 21-inch diameter and robust build. Engineered for high-performance subwoofer applications, this speaker is capable of handling an impressive AES power of 1800W RMS, with a peak power output of 10,000W. It is designed around a dual tetracoil aluminum voice coil, ensuring exceptional sound clarity and power handling. The carbon fiber reinforced cellulose cone, along with water repellent treatment, makes it suitable for a variety of demanding applications, from live sound reinforcement to high-end audio systems.

Features

• 21" nominal diameter for impactful bass response
• High 97 dB sensitivity for efficient power use
• Wide frequency range from 30 Hz to 1800 Hz
• Dual 115mm (4.5 in) Tetracoil Aluminum Voice coil for superior sound clarity
• Carbon fiber reinforced treated cellulose cone for durability
• Suitable for vented, horn loaded, and bandpass speaker designs

Specifications

• Nominal Diameter: 21”, 533 mm
• Impedance: 8 Ohms
• AES Power: 1800 W (RMS)
• Program Power: 4000 W (RMS)
• Peak Power: 10000 W (RMS)
• Sensitivity: 97 dB
• Frequency Range: 30 – 1800 Hz
• Voice Coil Diameter: 4.5”, 115 mm
• Cone Material: Straight Ribbed Carbon Fiber Loaded Cellulose
• Net Weight: 12.5 kg (27.56 lb)