Bowers & Wilkins-DM 4

Bowers & Wilkins
DM 4
United Kingdom
Type: Passive
Positioning: Standmount
Enclosure: Sealed Box
Way system: 3
Nominal Impedance: 8 Ohm
Minimum Impedance: 6 Ohm
Frequency Response: 3025000 Hz -2dB
Crossover Frequency: 3500/14000 Hz
Sensitivity: 88 dB
Dimensions (W x H x D): 25.4 x 53.1 x 25.5 cm
Price (pair): LIT 390.000 (1980)
The acoustic load used in the DM 4 is unusual in that it is a closed box, internally padded with absorbent material, but which has a hole in the front, which looks like a reflex port, but which actually serves the function of helping to better control the excursion of the midwoofer cone between 60 and 120Hz.
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