Frequency Range: | 38 - 1300 Hertz (±3 dB) |
30 - 1400 Hertz useable range
Nominal Coverage: | 100° horizontal X 55° vertical at 600 Hertz |
Maximum Output: | 134.5 dB SPL calculated peak, 1 meter, half space, at rated rms power with 6 dB crest factor pink noise input, 25 - 250 Hertz. |
128.5dBA 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 (8 ohms nominal, |
Maximum Input Power: | 800 watts rms (100 hours of 6 dB crest factor pink noise, 30 - 500 Hertz) |
1000 watts rms (2 hours of 6 dB crest factor pink noise, 30 - 500 Hertz, AES method)
recommended amplifier power capability- 1600 watts rms maximum into 4 ohms
Sensitivity: | 99.5 dB half space, 93.5 dB 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 stranded wire. Four terminals: (two INPUT and two PARALLEL |
| OUT). Drivers are internally wired in parallel. For independent transducer connection, remove blue jumper wire and yel- |
| low jumper wire on |
Transducers: | Two 15” (381mm) high efficiency low frequency transducers featuring vented 4” (100mm) copper voice coils on Kap- |
| ton® formers. 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 35” high X 20” deep (762 mm X 889 mm X 508 mm) |
Weight: | 195 lbs. shipping, 172 lbs. net (88/78 kg.) |
SPL and Impedance vs. Frequency
| SPL 2pi |
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SPL (dB) | SPL 4pi | Impedance (ohms) |
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