Speaker Bowers & Wilkins DM 309
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| Weight: | 19.5 kg |
| Depth: | 308 mm |
| Description: | Outdoor, Hi-Fi, front speaker, number of lanes: 2.5, passive, bass-reflex type |
| Width: | 210 |
| Height: | 910 |
| Type: | Passive |
| Purpose: | Hi-Fi |
| Number of lanes: | 2.5 |
| Impedance: | 8 ohm |
| Sensitivity: | 88 dB |
| Crossover frequency: | 150 Hz; 4 kHz |
| Location: | Floor |
| Maximum frequency: | 22000 Hz |
| Minimum frequency: | 60 Hz |
| Acoustic radiation: | Monopolar |
| Acoustic design: | Bass-reflex type |
| Speaker type: | Front speaker |
| Finish options: | Black ash or maple look vinyl with black grilles |
| RF driver dimensions: | 25.4mm |
| Woofer dimensions: | 160 mm |
| MF driver dimensions: | 160 mm |
| Emitter type: | Dynamic |
| Recommended amplifier power min.: | 25 W |
| Bandwidth Options: | +/- 3 dB |
| Recommended amplifier power max.: | 120 W |
| Removable grid: | There is |