Boston Acoustics CR57
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| Weight: | 2.6 kg |
| Depth: | 159 mm |
| Description: | Shelf, number of lanes: 2, passive, closed type |
| Width: | 142 |
| Height: | 235 |
| Type: | Passive |
| Number of lanes: | 2 |
| Impedance: | 8 ohm |
| Sensitivity: | 89 dB |
| Crossover frequency: | 2600 Hz |
| Location: | Shelf |
| Maximum frequency: | 20000 Hz |
| Minimum frequency: | 80 Hz |
| Acoustic radiation: | Monopolar |
| Acoustic design: | Closed type |
| Finish options: | Vinyl |
| RF driver dimensions: | 19 mm |
| Woofer dimensions: | 115 mm |
| RF emitter type: | Dome |
| Emitter type: | Dynamic |
| Recommended amplifier power min.: | 10 W |
| Bandwidth Options: | +/- 3 dB |
| Recommended amplifier power max.: | 75 W |
| Removable grid: | There is |