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SPECIFICATII TEHNICE PENTRU QUAD s-4
| General description | 3-way floorstanding speaker |
| Enclosure type | ABR |
| Transducer complement | 3-way |
| ABR | 125mmx2 |
| Bass driver | 125mm Woven Carbon fibre Cone |
| Midrange driver | 100mm Woven Carbon Fibre Cone |
| AV shield | No |
| Treble Driver | 12 x 45 mm True Ribbon |
| Sensitivity (2.83V @ 1m) | 88dB |
| Recommended amplifier power | 25-175W |
| Peak SPL | 110dB |
| Nominal impedance | 8Ω Cpmpatible |
| Minimum impedance | 3.5Ω |
| Frequency response (+/-3dB) | 44Hz ~ 23kHz |
| Bass extension (-6dB) | 37Hz |
| Crossover frequency | 520Hz & 3.9kHz |
| Cabinet Volume (in litres) | 47.0L |
| Dimensions (H x W x D) | (870 + 55) x 180 x (300+30)mm |
| Weight | 20.5kg |