This service manual pertains to the Bowers & Wilkins Nautilus N803, a distinguished model within the Nautilus Series. Engineered for exceptional audio reproduction, this speaker system features a Nautilus™ tube-loaded tweeter, an FST™ midrange driver, and Continuum™ cone bass drivers, all housed within a 3-way vented-box enclosure. Its performance is characterized by a nominal impedance of 8Ω (minimum 4.0Ω), a sensitivity of 90dB, and a frequency response of 40Hz – 20kHz ± 2dB. Designed to complement high-fidelity audio setups, the Nautilus N803 represents a commitment to sonic excellence and advanced acoustic design.

The purpose of this comprehensive service manual is to provide detailed technical information and procedural guidance for the maintenance and repair of the Bowers & Wilkins Nautilus N803. It includes essential content such as disassembly and assembly procedures, crossover schematics, and technical specifications covering dimensions and performance metrics. This manual is an indispensable resource for owners, technicians, and service professionals seeking to ensure the optimal performance and longevity of their Nautilus N803 speaker system.