The Bowers & Wilkins DM-604, a distinguished member of the 600 Series, represents a pinnacle of audio engineering. These speakers are meticulously designed to deliver exceptional sound reproduction, characterized by their robust construction and advanced driver technology. Featuring a 250mm woofer, a 100mm woven fibre cone midrange driver, and a 26mm Nautilus aluminium dome tweeter, the DM-604 is engineered for clarity, depth, and accuracy across a wide frequency range. Their substantial dimensions and precise crossover network ensure a powerful and immersive listening experience suitable for discerning audiophiles and professional applications alike.

This comprehensive service manual provides dealership technicians with all the necessary information to maintain and service the Bowers & Wilkins DM-604 speakers. It includes detailed disassembly and assembly procedures, crossover schematics and component values, wiring diagrams, and parts order codes. Technical specifications covering frequency response, sensitivity, impedance, and power handling are also thoroughly documented. This English-language manual, authored by the manufacturer, is designed to be the most complete resource available, ensuring optimal performance and longevity of the DM-604 units.