FBT Install Archon 215S

The Archon Series: An "Install" Approach to Bass According to FBT

The FBT Install Archon 215S is part of the Archon series, designed for systems where reliability, consistent results, and solid build quality matter as much as performance. Its substantial size and passive enclosure design make it a coherent choice for building a modular system: you adapt the amplification, filtering, and number of subs to the venue's constraints while maintaining a stable bass signature.

Intended Uses and Users

This subwoofer is intended for installations and performances requiring physical bass and a headroom reserve : multipurpose halls, clubs, places of worship, auditoriums, music bars, DJ sets, or front-of-house system reinforcement. It suits integrators and sound technicians who want a sub capable of handling high levels while remaining clear and controllable via external active filtering (processor, filter, amplification with DSP). Its "1-way" configuration focuses on the essentials: reproducing the energy of bass and low-mids with impact, allowing the main speakers to operate more comfortably.

Design and Performance: A Passive Subwoofer Built to Keep Up

A 15-inch Driver with a 3-inch Voice Coil for Impact

The Archon 215S features a 15-inch (381 mm) driver with a 3-inch (76 mm) voice coil, sized to handle high levels and maintain control on transients (kick drum, electric bass, synth bass). With a rated sensitivity of 101 dB, it aims for good efficiency, useful when filling a space without pushing the amplifier to its limits.

Simple Integration: External Filtering and Speakon Daisy-Chaining

As a passive subwoofer, the crossover frequency is managed via an external active device. This approach is practical for installations: you calibrate the crossover and equalization according to the room, satellite speakers, and goals (tighter or fuller bass). The connectivity offers 2 Speakon NL4 connectors for input and thru, facilitating clean and quick daisy-chaining in a rack or on stage without multiplying adapters.

Build Quality Tailored for Touring and Installation

The 18 mm Baltic birch plywood enclosure provides rigidity and durability, two key points to limit unwanted vibrations and maintain clear bass at high levels. The steel grille with protective fabric helps preserve the driver from dust and impacts. With 4 handles, handling remains manageable despite the large size and weight of 60 kg.

Finally, the omni dispersion is typical of a subwoofer: bass energy spreads widely. To optimize impact on the audience and control on stage, positioning (on the floor, center, cluster, or arc) and processing (delay, alignment, equalization) will make the difference, especially in resonant rooms.

Technical specifications

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Brand / Model	FBT Install Archon 215S	Dispersion	omni
Type	passive subwoofer	Crossover Frequency	external active
Series	Archon	Driver Size	15 inches (381 mm)
FBT Reference	36257	Voice Coil	3 inches (76 mm)
Configuration	1-way	Nominal Impedance	4 ohms
RMS Power	1000 W	Enclosure	18 mm Baltic birch plywood
Peak Power	4000 W	Grille	steel with protective fabric
Recommended Amplifier	2000 W RMS	Handles	4
Sensitivity	101 dB	Input Connectors	2x Speakon NL4 in & thru
Max Peak SPL	142 dB	Dimensions (H x W x D)	1000 x 800 x 530 mm
Frequency Response	35 Hz to 500 Hz	Weight	60 kg