M1861 - LF Drivers
Product description:
Extended low frequency transducer for bass reflex and band pass system.
Main features:
- aluminum die-cast frame;
- removable self-centering ferrite magnet system;
- inside-outside copper voice coil;
- ventilated voice coil gap;
- glass fiber reinforced cone;
- double silicon spider.
Product specification:
- 18” nominal diameter;
- 1400 W AES program power;
- 98 dB 1W/1m sensitivity;
- 4” copper voice coil;
- 10.6 kg weight.
Specifications | |
---|---|
Nominal diameter, inches (mm) | 18(460) |
Nominal impedance, Ohm | 4/8 |
Rated power (AES), W | 700 |
Frequency range, Hz | 35-1500 |
Sensitivity (1W / 1m), dB | 98 |
Minimum impedance, Ohm | 7,3@160Hz |
Bl product, Tm | 27,7 |
Voice coil inductance, mH (1kHz) | 1,59 |
Moving mass Mms, g | 192 |
Voice coil | |
Diameter, inches (mm) | 4(100) |
Winding material | copper |
Former material | glass fiber |
Winding depth, mm | 21 |
Magnetic system | |
Magnetic gap depth, mm | 9 |
Flux density, T | 1,23 |
Thiele-Small parameters | |
Fs, Hz | 36,3 |
Vas, l | 215 |
Qts | 0,34 |
Qes | 0,35 |
Qms | 8,63 |
Re, Оhm | 6,17 |
Sd, сm2 | 1244 |
Xmax, mm | 8,25 |
n, % | 2,8 |
Mounting information | |
Overall diameter, mm | 458 |
Baffle cutout diameter, mm | 425 |
Bolt hole diameter, mm | 6,5 |
Bolt circle diameter, mm | 438 |
Height, mm | 194 |
Net weight, kg | 10,6 |