Ultimate PTR-4/B
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| Weight: | 18 kg |
| Description: | Floor standing, number of bands: 2, bass-reflex type |
| Number of lanes: | 2 |
| Impedance: | 8 ohm |
| Sensitivity: | 90 dB |
| Location: | Floor |
| Maximum frequency: | 30000 Hz |
| Minimum frequency: | 70 Hz |
| Acoustic design: | Bass-reflex type |
| Finish options: | Black, maple |
| RF driver dimensions: | 25.4mm |
| Woofer dimensions: | 130 mm |
| Max power: | 170 W |