B&C Speakers 18 PS 100 8 ohms

A B&C 18" Designed to Handle Power in the Subwoofer Range

The B&C 18PS100 is an 18" (46 cm) speaker oriented towards "SUB", designed to deliver physical, clean, and stable bass at high levels. Its philosophy is clear: to withstand power, control excursion, and remain musical in the frequency range critical for sound reinforcement (kick drum, infra-bass, supporting low-mid). Thanks to a design focused on mechanical and thermal endurance, it naturally fits into a serious bass cabinet project, whether custom-built or as a replacement driver in an existing system.

Who This 18" Is For: Sound Reinforcement, DIY Cabinets, and Driver Replacements

This speaker targets users seeking a subwoofer woofer capable of operating at high levels for extended periods: contractors, installers, bands, venues, clubs, as well as DIY enthusiasts wanting to build a high-performance tuned cabinet. With its 8-ohm impedance and sensitivity of 95.5 dB (1 W/1 m), it suits amplification adapted to bass and mono or multi-cabinet configurations. It is also relevant for replacement (recone/standard exchange as per common practice) when one wants to maintain the signature and behavior of a system based on an 18" sound reinforcement driver.

Key Design and Features: Durability, Control, and Reliability

4.0" (100 mm) Voice Coil: Thermal and Dynamic Stability

The 18PS100 relies on a 4.0" (100 mm) copper wire voice coil, a typical choice for high-power bass drivers. The goal is to maintain a consistent response and solid dynamics when the system is driven for long durations, while keeping good transient control (kick drum attacks, electronic impacts, etc.). The rated power of 1400 W AES reflects this "heavy-duty" subwoofer purpose.

Triple Roll Suspension and 8.0 mm Xmax: Controlled Bass

Mechanical endurance is crucial in a subwoofer enclosure. Here, the triple roll suspension helps control the moving assembly during large excursions, while the 8.0 mm Xmax indicates a displacement capacity consistent with sustained bass use. The expected result: a cleaner low end when pushing levels, with less "muddy" sensation and better punch clarity.

Treated Radial Cone and Double Siliconed Spider: Endurance in Real Conditions

The radial cone receives a waterproof treatment front and back, useful for resistance to humidity and usage stresses (transport, temperature variations, stage environment). The double siliconed spider enhances guiding stability, a crucial point for preserving alignment and reliability when the speaker operates near its limits in a low-tuned cabinet.

Recommended Enclosure: 250 Liters Tuned to 29 Hz

The manufacturer specifies a recommended enclosure volume of 250 liters with a tuning frequency of 29 Hz. This information is valuable for guiding the design: aiming for a tuned cabinet capable of reaching and supporting infra-bass, consistent with an Fs of 30 Hz. In practice, the quality of the result will also depend on the actual net volume, port (section/length), crossover, limiter, and cabinet rigidity, but this recommendation provides a clear basis for an effective subwoofer project.

Technical specifications