18N1200 - LF Drivers
Product description:
High power low distortion extended low frequency transducer for bass reflex and band pass system.
Main features:
- aluminum die-cast octagonal frame with small installation dimensions;
- removable self-centering neodymium magnet system;
- inside-outside copper voice coil;
- ventilated voice coil gap;
- double aluminum demodulation ring;
- glass fiber reinforced cone;
- double silicon spider.
Product specification:
- 18” nominal diameter;
- 2400 W AES program power;
- 96 dB 1W/1m sensitivity;
- 4” copper voice coil;
- 9.8 kg weight.
| Specifications | |
|---|---|
| Nominal diameter, inches (mm) | 18(460) |
| Nominal impedance, Ohm | 8 |
| Rated power (AES), W | 1200 |
| Frequency range, Hz | 35-1000 |
| Sensitivity (1W / 1m), dB | 96 |
| Minimum impedance, Ohm | 7,1@165Hz |
| Bl product, Tm | 31.2 |
| Voice coil inductance, mH (1kHz) | 1,2 |
| Moving mass Mms, g | 285 |
| Voice coil | |
| Diameter, inches (mm) | 4(100) |
| Winding material | copper |
| Former material | glass fiber |
| Winding depth, mm | 30 |
| Magnetic system | |
| Magnetic gap depth, mm | 12 |
| Flux density, T | 1,28 |
| Thiele-Small parameters | |
| Fs, Hz | 36 |
| Vas, l | 148 |
| Qts | 0,37 |
| Qes | 0,38 |
| Qms | 13 |
| Re, Оhm | 5,8 |
| Sd, сm2 | 1235 |
| Xmax, mm | 12 |
| n, % | 1,76 |
| Mounting information | |
| Overall diameter, mm | 448/480 |
| Baffle cutout diameter, mm | 424 |
| Bolt hole diameter, mm | 7,5/9,5 |
| Bolt circle diameter, mm | 450 |
| Height, mm | 218 |
| Net weight, kg | 9,8 |
