Acoustic system Polk Audio RTi A9
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| Weight: | 34.02 kg |
| Depth: | 543 mm |
| Description: | Outdoor, Hi-Fi, front speaker, number of lanes: 3, passive, bass-reflex type |
| Width: | 225 |
| Height: | 1235 |
| Type: | Passive |
| Purpose: | Hi-Fi |
| Housing material: | MDF |
| Number of lanes: | 3 |
| Impedance: | 8 ohm |
| Sensitivity: | 90 dB |
| Crossover frequency: | 120 Hz, 1.8 kHz |
| Location: | Floor |
| Maximum frequency: | 27000 Hz |
| Minimum frequency: | 18 Hz |
| Acoustic radiation: | Monopolar |
| Acoustic design: | Bass-reflex type |
| Speaker type: | Front speaker |
| Finish options: | Cherry, black |
| RF emitter material: | Silk |
| Woofer material: | Polymer composite |
| Midrange Material: | Polymer composite |
| RF driver dimensions: | 25 mm |
| Woofer dimensions: | 3x 177.8mm |
| MF driver dimensions: | 2x 133.3mm |
| RF emitter type: | Dome |
| Emitter type: | Dynamic |
| Recommended amplifier power min.: | 50 W |
| Recommended amplifier power max.: | 500 W |
| Magnetic protection: | There is |
| Removable grid: | There is |
| Wired connection method: | bi-wiring |
| Gold plated connectors: | There is |
| Connector for connecting to a power amplifier: | Screw |