- Dual JBL low frequency drivers with a 64 mm (2.5 in) diameter edgewound ribbon voice coil which provides more crosssectional wire area in the voice coil gap than round wire designs, for greater efficiency and power handling.
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- Ferro-fluid cooled compression driver with titanium diaphragm improves high frequency performance as well as system reliability.
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- The advanced network topology crossover design shapes frequency response and delivers coherent summation in the crossover region.
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- A "Quasi 3-Way" design offers the extra bass for which a dual fifteen system is designed, but without sacrificing performance in the critical mid-range. The upper woofer produces mid-frequencies and bass, while the lower woofer concentrates on bass only. The reduction in mid-range phase cancellation greatly improves midrange sound quality and coverage.
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- High-voltage capacitors and inductors with massive cores and heavy gauge wire enable the crossover network to handle high power without saturating.
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- Progressive Transition™ highfrequency waveguide provides superior coverage control, reduced distortion, and smoother frequency response.
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- The rugged, acoustically superior enclosure is constructed from 19 mm (.75 in) MDF (Medium Density Fiberboard) using advanced adhesives and mechanical fastener technology for extreme durability and improved low-frequency performance.
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- SonicGuard™ protects the highfrequency driver from excess power without interrupting the performance.
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- Non-resonant, all-steel handles are used.
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- Attractive 18-gauge perforated, steel grille protects components from damage.
| Power Rating | : | 500 W / 2000 W |
| | Frequency Range | : | 36 Hz - 16 kHz
(-10 dB) |
| Dimensions
(H x W x D) | : | 1099 mm x 464 mm x 432 mm
(43.25 in x 18.25 in x 17 in) |
| | Frequency Response | : | 45 Hz - 12 kHz
(±3 dB) |
| | Sensitivity | : | 100 dB SPL
(1w/1m) |
| | | Recommended Amplifier Power | : | 500 W to 1000 W into 4 ohms |
| | | Nominal Dispersion | : | 90º x 50º |
| | Crossover Frequency | : | 2 kHz |
| | | High Frequency Driver | : | JBL 2412 1 in exit compression driver mounted on Progressive Transition™ Waveguide |
| | Low Frequency Driver | : | JBL M128 x 2 |
| | Input Connectors | : | Neutrik® Speakon® NL-4 (x1); .25 in TS phone jack (x1); parallel |
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