Frequency Range: | 33 - 1900 Hertz |
30 - 3200 Hertz useable range
Nominal Coverage: | 100° horizontal X 100° vertical at 1000 Hertz |
Maximum Output: | 126.5dB SPL calculated peak, 1 meter, half space, at rated rms power with 6 dB crest factor pink noise input, 35 - 1000 Hertz. |
| 120.5dBA SPL calculated maximum continuous, 1 meter. The dBA scale is typically used to identify sound sources |
| which can cause permanent hearing loss. |
Impedance: | 8 ohms nominal |
8 ohms minimum, 160 Hertz
90 ohms maximum, 22 Hertz
Maximum Input Power: 300 watts rms (8 hours of 6dB crest factor pink noise, 40 - 400 Hertz) 375 watts rms (2 hours of 6dB crest factor pink noise, 40 - 400 Hertz)
Recommended amplifier power capability- 600 watts rms maximum into 8 ohms (per
Sensitivity: | 95.5dB half space, 94.0dB 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 3” (76mm) copper voice coil on Kapton® form- |
| ers. High excursion/low distortion design, with extremely high power handling, and low thermal and port compression. |
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 2pi |
| SPL 4pi |
SPL (dB) | Impedance(ohms) |
| Impedance |
