Medium Power Subwoofer 2 x 18″ 2042H Drivers
ASB4128 is a medium power subwoofer system comprised of two 460 mm (18 in) low frequency drivers in a front-loaded, vented configuration. The deep, rectangular cabinet allows for extended low frequency bandwidth with minimum frontal profile.
Features
- Large vent area for high output.
- Parallel/Discrete Switchable.
- See Array Guide on applications such as performing arts facilities, theatrical sound design, auditoriums, houses of worship, live clubs, dance-clubs/discotheques, sports facilities and themed entertainment venues.
Specifications
| Frequency Range (-10dB) | 30 Hz – 1 kHz |
| Frequency Response (±3 dB) | 40 Hz – 1 kHz |
| Input Modes | Drivers Parallel / Drivers Discrete |
| Transducer Power Rating (AES) | 1000 W (4000 W peak), 2 hrs |
| System Power Rating | 600 W (2400 W peak), 100 hrs |
| Maximum SPL (1m) | 30 Hz – 100 Hz: 133 dB-SPL cont avg (139 dB peak)100 Hz – 500 Hz: 133 dB-SPL cont avg (139 dB peak) |
| System Sensitivity | 30 Hz – 100 Hz: 103 dB100 Hz – 500 Hz: 103 dB |
| Nominal Impedance | 4 ohms in parallel-drive mode 2 x 8 ohms in discrete-drive mode |
| LF Driver | 2 x JBL 2042H 460 mm (18 in) drivers with 75 mm (3 in) voice coil |
| Nominal LF Driver Impedance | 4 ohms in parallel-drive mode 2 x 8 ohms in discrete-drive mode |
| Enclosure | Rectangular cabinet, 16 mm (5/8 in) exterior grade 11-ply Finnish birch plywood |
| Suspension Attachment | 12 points (3 top, 3 bottom, 3 each side, 2 rear), M10 threaded hardware |
| Environmental | Mil-Std 810; IP-x3 per IEC529. |
| Net Weight (each) | 143 lbs. (64.9 kgs) |
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