ตัวแทนจำหน่าย QSC LF-4215-8F ลำโพงซับวูฟเฟอร์สำหรับโรงภาพยนตร์ 2×15 นิ้ว 1,000 วัตต์ Flyable high power low-frequency cabinet, dual 15″, 8Ω, 99.5 dB sensitivity
128,000฿
| Frequency Range | ±3 dB: 38 – 1000 Hz |
| -10 dB: 30 – 1200 Hz useable range | |
| Maximum Output: | 134.5 dB SPL calculated peak |
| Impedance | LF-4215-8F: 8Ω nominal |
| Maximum Input Power | 100 hours of 6 dB crest factor pink noise, 30 – 500 Hz: 800 watts |
| 2 hours of 6 dB crest factor pink noise, 30 – 500 Hz, AES method: 1000 watts | |
| Sensitivity (half space / watt / 1 meter): 99.5 dB half space, 96.5 dB full space, 35 – 1000 Hz, 1 watt, 1 meter | |
| Transducers | Two 15″ (381 mm) high-efficiency, low-frequency transducers featuring vented 4″ (100 mm) copper voice coils. High-excursion/ |
| low-distortion design, with extremely high-power handling, and low thermal and port compression. | |
| Recommended Processing: Subsonic filter below 30 Hz, >18 dB per octave, maximum recommended crossover frequency is 1000 Hz. QSC DSP configurations | |
| Nominal Coverage: | 135° horizontal x 50° vertical at 500 Hz |
| Connectors: | Neutrik® speakON™ NL4, LF 1+, 1-, No Connection 2+, 2- |
| Enclosure: | Heavily braced 15 mm tour-grade plywood with 16 M10 load-rated attachment points. |
| Dimensions (HWD): | 40″ x 31.5″ x 19″ (1016 mm x 800.1 mm x 482.6 mm) |
| Net Weight: | 134 lb / 60.8 kg |
