Frequency Range: | 33 - 1200 Hertz |
29 - 3000 Hertz useable range
Nominal Coverage: | 100° horizontal X 100° vertical at 1000 Hertz |
Maximum Output: | 127.0dB SPL calculated peak, 1 meter, half space, at rated rms power with 6 dB crest factor pink noise input, 35 - 1000 Hertz. |
| 121.0dBA SPL calculated maximum continuous, 1 meter. The dBA scale is typically used to identify sound sources |
| which can cause permanent hearing loss. |
Impedance: | 4 ohms nominal |
4.3ohms minimum, 160 Hertz 40 ohms maximum, 22 Hertz
Maximum Input Power: 400 watts rms (8 hours of 6dB crest factor pink noise, 40 - 400 Hertz) 600 watts rms (2 hours of 6dB crest factor pink noise, 40 - 400 Hertz)
recommended amplifier power capability- 1100 watts rms maximum into 4 ohms (per
Sensitivity: | 93.5dB half space, 92.0dB full space, 35 - 1000 Hertz, 1 watt, 1 meter |
Recommended Processing: | Subsonic filter below 30 Hertz, >18 dB per octave, maximum recommended crossover frequency is 1000 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: | 15” (381mm) high efficiency low frequency transducer featuring vented 4” (100mm) copper voice coil on Kapton® |
| formers. High excursion/low distortion design, with extremely high power handling, and low thermal and port com- |
| pression. |
Enclosure: | Quasi B4 alignment, ported enclosure with fully flared ports, low turbulence symmetrical port design, tuned to 36 |
| Hertz, constructed of medium density fibreboard and heavily braced. Features vandal resistant woofer mounting bolts. |
Size: | 30” wide X 18” high X 20” deep (762mm X 457mm X 508mm) |
Weight: | 96 lbs. shipping, 83 lbs. net (44/38 kg.) |
SPL and Impedance vs. Frequency
SPL (dB) | SPL 2pi | Impedance(ohms) |
SPL 4pi | ||
| ||
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| Impedance |
Frequency (Hertz)