M1215 - LF Drivers
Product description:
LF transducer for compact two-way and multi-way speakers.
Main features:
- aluminum die-cast frame;
- removable self-centering ferrite magnet system;
- inside-outside copper voice coil.
Product specification:
- 12” nominal diameter;
- 400 W AES program power;
- 96 dB 1W/1m sensitivity;
- 2” copper voice coil;
- 3.5 kg weight.
| Specifications | |
|---|---|
| Nominal diameter, inches (mm) | 12(300) |
| Nominal impedance, Ohm | 4/8 |
| Rated power (AES), W | 180 |
| Frequency range, Hz | 50-4000 |
| Sensitivity (1W / 1m), dB | 96 |
| Minimum impedance, Ohm | 7,2@210Hz |
| Bl product, Tm | 13,8 |
| Voice coil inductance, mH (1kHz) | 1,26 |
| Moving mass Mms, g | 46,4 |
| Voice coil | |
| Diameter, inches (mm) | 2(51) |
| Winding material | copper |
| Former material | glass fiber |
| Winding depth, mm | 15 |
| Magnetic system | |
| Magnetic gap depth, mm | 8 |
| Flux density, T | 1,09 |
| Thiele-Small parameters | |
| Fs, Hz | 45,5 |
| Vas, l | 97 |
| Qts | 0,41 |
| Qes | 0,43 |
| Qms | 9,8 |
| Re, Оhm | 6,2 |
| Sd, сm2 | 510 |
| Xmax, mm | 5,5 |
| n, % | 2,1 |
| Mounting information | |
| Overall diameter, mm | 310 |
| Baffle cutout diameter, mm | 282 |
| Bolt hole diameter, mm | 7 |
| Bolt circle diameter, mm | 294 |
| Height, mm | 132 |
| Net weight, kg | 3,5 |
