Frequency Range: | 32 - 1200 Hertz |
28 - 2800 Hertz useable range
Nominal Coverage: | 125° horizontal X 60° vertical at 315 Hertz |
Maximum Output: | 136.0dB SPL calculated peak, 1 meter, half space, at rated rms power with 6 dB crest factor pink noise input, 35 - 1000 Hertz. |
| 130.0dBA SPL calculated maximum continuous, 1 meter. The dBA scale is typically used to identify sound sources |
| which can cause permanent hearing loss. |
Impedance: | 5.5 ohms nominal |
4.5ohms minimum, 150 Hertz 30 ohms maximum, 22 Hertz
Maximum Input Power: 1200 watts rms (8 hours of 6dB crest factor pink noise, 40 - 400 Hertz) 1500 watts rms (2 hours of 6dB crest factor pink noise, 40 - 400 Hertz)
recommended amplifier power capability- 2400 watts rms maximum into 4 ohms (per
Sensitivity: | 99.0dB half space, 98.0dB full space, 35 - 1000 Hertz, 1 watt, 1 meter |
Recommended Processing: | Subsonic filter below 25 Hertz, >18 dB per octave, maximum recommended crossover frequency is 500 Hertz. QSC DSP |
| configurations are available at www.qscaudio.com. Parameters for alternative processing hardware are available upon |
| request. |
Connectors: | Barrier strip screw terminals accept up to #10 AWG (5.3mm2) stranded wire. Four terminals: (two INPUT and two par- |
| allel OUTPUT). |
Transducers: | Three 15” (381mm) high efficiency low frequency transducer featuring vented 4” (100mm) copper voice coil on Kap- |
| ton® formers. High excursion/low distortion design, with extremely high power handling, and low thermal compres- |
| sion. |
Enclosure: | Quasi B4 alignment, ported enclosure with fully flared ports, low turbulence symmetrical port design, tuned to 34 |
| Hertz, constructed of medium density fiberboard and heavily braced. Features vandal resistant woofer mounting bolts. |
Size: | 30” wide X 53” high X 20” deep (762mm X 1321mm X 508mm) |
Weight: | 290 lbs. shipping, 260 lbs. net (132/118 kg.) |
SPL and Impedance vs. Frequency
| SPL 2pi | Impedance (ohms) |
SPL (dB) | SPL 4pi | |
| ||
|
| Impedance |
Frequency (Hertz)