M1540 - LF Drivers
Product description:
Low frequency transducer for 2-way and bass reflex system.
Main features:
- aluminum die-cast frame;
- removable self-centering ferrite magnet system with ventilated gap;
- inside-outside copper voice coil;
- double silicon spider.
Product specification:
- 15” nominal diameter;
- 800 W AES program power;
- 97.5 dB 1W/1m sensitivity;
- 3” copper voice coil;
- 7.5 kg weight.
| Specifications | |
|---|---|
| Nominal diameter, inches (mm) | 15(380) |
| Nominal impedance, Ohm | 4/8 |
| Rated power (AES), W | 400 |
| Frequency range, Hz | 40-2500 |
| Sensitivity (1W / 1m), dB | 97,5 |
| Minimum impedance, Ohm | 7,1@195Hz |
| Bl product, Tm | 23,2 |
| Voice coil inductance, mH (1kHz) | 1,34 |
| Moving mass Mms, g | 119 |
| Voice coil | |
| Diameter, inches (mm) | 3(76) |
| Winding material | copper |
| Former material | glass fiber |
| Winding depth, mm | 17 |
| Magnetic system | |
| Magnetic gap depth, mm | 10 |
| Flux density, T | 1,25 |
| Thiele-Small parameters | |
| Fs, Hz | 45,5 |
| Vas, l | 114 |
| Qts | 0,36 |
| Qes | 0,37 |
| Qms | 7,46 |
| Re, Оhm | 6 |
| Sd, сm2 | 892 |
| Xmax, mm | 6 |
| n, % | 2,7 |
| Mounting information | |
| Overall diameter, mm | 389 |
| Baffle cutout diameter, mm | 358 |
| Bolt hole diameter, mm | 7 |
| Bolt circle diameter, mm | 370,5 |
| Height, mm | 168 |
| Net weight, kg | 7,5 |
