Wolf in sheep’s clothing It might have a more traditional appearance than other speakers in the range, but don’t let that fool you. The 804 D3 delivers incredible acoustic transparency, thanks to unique 800 Series Diamond features such as our Continuum cone and augmented Matrix bracing system. So while its looks may be conventional, its performance is anything but. Technical specifications Technical features Description Drive units Frequency range Diamond tweeter Continuum cone FST™ Aerofoil cone bass units Flowport™ Optimised matrix Solid body tweeter 3-way vented-box system 1x 025mm (1 in) diamond dome high-frequency 1x 0130mm (5 in) Continuum cone FST™ midrange 2x 0165mm (6.5 in) Aerofoil cone bass units 20Hz to 35kHz (+/-3dB from reference axis) Harmonic distortion 2nd and 3rd harmonics (90dB, 1m on axis) Nominal impedance 8Q (minimum 3.0Q) Recommended amplifier 50W - 200W into 8Q on undipped programme power Max. recommended 0.1 Q cable impedance Net weight 33kg (73lb) Grille Black Black Grey Finishes Cabinet Real wood veneers: Rosenut Painted finish: Gloss Black Satin White Flowport and FST are trademarks of B&W Group Ltd. Copyright © B&W Group Ltd. E&OE