Acoustics Alpine SPX-137R
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| Brand: | Alpine |
| Description: | Component speaker 13 cm 5 inch. |
| Peculiarities: | Gold plated contacts |
| Type: | Component speakers |
| Dimensions: | 28 mm |
| Power: | 240 W maximum |
| Number of lanes: | 2 |
| Frequency response: | 40 - 60000 Hz |
| Size: | 13 cm 5 in. |
| Impedance: | 4 ohm |
| Magnet weight: | 529 g |
| Installation depth: | 14 mm |
| Mounting hole: | 35 mm |
| Resonant frequency Fs: | 52 Hz |
| Equivalent volume Vas: | 8 l |
| Basket: | Cast |
| Diffuser material: | Cellulose |
| Basket material: | Aluminum |
| Total quality factor Qts: | 0.45 |
| External crossover: | There is |
| Magnet: | Strontium |