M1261 - LF Drivers
Product description:
Low frequency transducer for bass reflex and band pass system.
Main features:
- aluminum die-cast frame with improved voice coil ventilation;
- removable self-centering ferrite magnet system with ventilated gap;
- inside-outside copper voice coil;
- double silicon spider.
Product specification:
- 12” nominal diameter;
- 1200 W AES program power;
- 95 dB 1W/1m sensitivity;
- 4” copper voice coil;
- 6.7 kg weight.
| Specifications | |
|---|---|
| Nominal diameter, inches (mm) | 12(300) |
| Nominal impedance, Ohm | 4/8 |
| Rated power (AES), W | 600 |
| Frequency range, Hz | 40-1500 |
| Sensitivity (1W / 1m), dB | 95 |
| Minimum impedance, Ohm | 7@180Hz |
| Bl product, Tm | 19,2 |
| Voice coil inductance, mH (1kHz) | 1,66 |
| Moving mass Mms, g | 102 |
| Voice coil | |
| Diameter, inches (mm) | 4(100) |
| Winding material | copper |
| Former material | glass fiber |
| Winding depth, mm | 21 |
| Magnetic system | |
| Magnetic gap depth, mm | 8 |
| Flux density, T | 1,05 |
| Thiele-Small parameters | |
| Fs, Hz | 47 |
| Vas, l | 48 |
| Qts | 0,43 |
| Qes | 0,48 |
| Qms | 4,2 |
| Re, Оhm | 5,9 |
| Sd, сm2 | 552 |
| Xmax, mm | 8,5 |
| n, % | 1,0 |
| Mounting information | |
| Overall diameter, mm | 318 |
| Baffle cutout diameter, mm | 286 |
| Bolt hole diameter, mm | 7 |
| Bolt circle diameter, mm | 302,5 |
| Height, mm | 142 |
| Net weight, kg | 6,7 |
