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Technical Specifications : DS7 | |
| Description | 2-way closed-box selectable dipole/monopole surround system |
| Dimensions | Height: 302mm (11.9 in) Width: 383mm (15.1 in) Depth: 165mm (6.5 in) |
| Net Weight | 8.5kg (19 lb) |
| Freq. Response | 80Hz – 22kHz ±3dB on reference axis (monopole
mode) 80Hz – 10kHz ±3dB power averaged over front hemisphere (dipole mode) |
| Freq. Range | -6dB at 60Hz and 42kHz (monopole mode) -6dB at 60Hz and 15kHz (dipole mode) |
| Sensitivity | 89dB spl (2.83V, 1m) |
| Normal Impedance | 8Ω (minimum 3.0Ω) |
| Power Handling | 25W – 120W into 8Ω on unclipped programme 12V trigger current requirement 45mA |
| Drive Units | Unit 1: ø165mm (6.5 in) woven Kevlar® cone
bass/midrange Unit 2: 2x ø100mm (4 in) midrange/high frequency Unit 3: ø25mm (1 in) alloy dome high-frequency |
| Finish | Cabinet: Black or white paint Grille: Black or white cloth |
| Dispersion | Description: Dipole mode: horizontal figure of
eight Effective null zone ±30º (250Hz – 15kHz) Monopole mode: within 2dB of reference response Horizontal: over 40º arc Vertical: over 10º arc |
| Harmonic Distortion | 2nd and 3rd harmonics (90dB, 1m) <1%110Hz – 20kHz |
| Crossover Frequency | 250Hz (dipole mode) 4kHz (monopole mode) |
| Max. Recommended Cable Impedance | 0.1Ω |
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Bowers & Wilkins 2002 |