Frequency response (-10 dB)48 Hz - 18 kHzRated noise power / voltage1550 watts / 60 volts rmsBroadband sensitivity295 dB SPLCoverage angle90˚ conical DMTDirectivity factor (Q)6.0Directivity index (DI)7.8Recommended crossover950 Hz, 48 dB/octaveMaximum SPL at 1 m (passive)122 dB continuous3
128 dB peak4Rated impedance8ΩHF transducer76 mm (3-inch) voice coil, compression driver; 
72 W / 24 V (2 hours)LF transducer305 mm (12-inch) driver with 102 mm (4-inch) voice coil; 
550 W / 60 V (2 hours)Optional accessoriesAP-YM12 Yoke mount 
M10 Kit-WEnclosure details  Input connectorCovered barrier strip, NL4 connector Enclosure material15-ply Baltic birch plywood Attachment pointsFifteen M10 threaded insertsColorBlack (RAL 9011), White (RAL 9010)Grille16-gauge powder coated steelDimensions (HWD) inches26 × 15 × 13Dimensions (HWD) mm660 x 381 x 330Net weight65 lb / 29.5 kg1 Two hour rating using IEC60268 noise based on minimum impedance 
2 Mid-band based on nominal impedance; 2.83 V at 1 m 
3 Calculated as the nominal sensitivity plus 10× the log of continuous rated power in volts squared divided by nominal impedance 
4 Calculated as the continuous calculated max output plus 6 dB