The Bowers & Wilkins N-804 Nautilus, part of the Nautilus Series, represents a pinnacle in audio engineering. Designed as a passive loudspeaker, this model features a robust driver configuration including a 200mm (8 inch) woofer, a 160mm (6.5 inch) midrange driver, and a Nautilus Tube Loaded Tweeter with an aluminum dome. Its acoustic performance is characterized by a frequency response of 45Hz – 22kHz ± 3dB, a sensitivity of 90dB spl, and an impedance of 8 ohms. With a power handling capacity of 50W – 250W, the N-804 Nautilus is engineered for exceptional sound reproduction, delivering clarity and depth for discerning listeners.

This comprehensive service manual provides essential information for the maintenance and repair of your Bowers & Wilkins N-804 Nautilus loudspeaker. It covers critical areas such as disassembly and assembly procedures, detailed crossover schematics, and guidance on driver replacement. Furthermore, the manual includes diagnostic information for troubleshooting common issues and specific instructions for cabinet care. This resource is designed to assist owners, technicians, and audio professionals in ensuring the optimal performance and longevity of their N-804 Nautilus system.