Tact LF driver for B2 [18A100220Y]

18″ 500W RMS 8Ω Bass Speaker Driver [18A100220Y]

The 18A100220Y is an 18-inch bass speaker driver rated at 500W RMS, suitable for compatible speaker cabinet builds and replacement applications. Its 8-ohm nominal impedance and 96dB sensitivity provide key specifications for matching the driver to your audio system.

Featuring a 99.3mm copper voice coil with inside/outside winding and a glass fibre bobbin, this driver combines a ferrite magnet with a rigid cast aluminium frame. A paper cone and treated cloth surround complete its construction.

With a specified resonant frequency of 39Hz and an operating frequency range extending from resonance to 1.5kHz, the 18A100220Y is designed for low-frequency reproduction. Check cabinet dimensions, amplifier compatibility and enclosure requirements before installation.

Features

• 18-Inch Speaker Driver: Large-format driver for compatible bass speaker cabinets.
• 500W RMS Power Rating: Rated continuous power handling for system matching.
• 8-Ohm Nominal Impedance: Suitable for compatible amplifier and speaker configurations.
• 99.3mm Copper Voice Coil: Features inside/outside winding on a glass fibre bobbin.
• Cast Aluminium Frame: Provides a rigid structure for the driver assembly.
• Ferrite Magnet: Paired with a paper cone and treated cloth surround.
• 96dB Sensitivity: Specified at 1W/1m, with a tolerance of ±2dB.

Specifications

• Model: 18A100220Y
• Nominal Diameter: 18 inches
• Nominal Impedance: 8Ω
• Power Rating: 500W RMS
• Resonant Frequency: 39Hz ±10%
• Frequency Range: Fo–1.5kHz, where Fo denotes resonant frequency
• Sensitivity: 96dB ±2dB at 1W/1m
• DC Voice Coil Resistance: 5.5Ω ±10% at 20°C
• Voice Coil Diameter: 99.3mm
• Voice Coil Winding Depth: 23mm
• Voice Coil Wire: Copper, inside/outside winding
• Voice Coil Bobbin: Glass fibre
• Magnet Material: Ferrite
• Magnet Dimensions: 220mm outer diameter × 110mm inner diameter × 30mm thickness
• Frame Material: Cast aluminium
• Surround Material: Treated cloth
• Cone Material: Paper

Dimensions & Weight

• Overall Diameter: 460mm
• Overall Depth: 227mm
• Net Weight: 12.97kg

What’s in the Box?

• 18″ 500W RMS 8Ω Bass Speaker Driver

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