DM5 Stand-mount/Bookshelf loudspeaker system Product Summary The DM5 is the successor to the D5 which in recent years has earned a worldwide reputation for out-performing many loudspeaker systems. The DM5 has extremely low system resonance and 'Q' typically a system resonance of some 53Hz and a "Q" of 0.7 - figures that would do credit to loudspeakers four times its size.. 100 Hz to 20 kHz ± 5 dB (on 1m axis) System minimum resonant frequency: 53Hz: System Q: 0.75 or less: Efficiency: An input power of 6.8W is required to obtain a sound pressure level of 95 dB at 1m on the axis. (Anechoic room, pink noise used) Maximum allowable input: 25W (built-in 2.0A fuse) Impedance: 8 Ω: Crossover frequency: 4.5kHz.
B&W was on the cusp of great development in the mid-1970s, in company size and in products. The DM5 comes from the period when it was still a relatively artisanal brand with production facilities close to the company's core. Q. The DM5 is a two-way monitor in a closed cabinet. Crossover filtering is at 4.5 kHz.. B&W DM 5 SPEAKERS . Thread starter Wilsonpaolo; Start date May 1, 2023; Tags speakers W. Wilsonpaolo New Member. May 1, 2023 #1. Maybe you mean changing the capacitors in the crossover as there are some that should be replaced after these many years. This thread seems to talk about that. 1975, B&W DM6, Crossover Modifications, Upgrade.