ND811 - LF Drivers
Product description:
High output mid frequency transducer for horn and multi-way speakers.
Main features:
- aluminum die-cast frame;
- removable self-centering neodymium magnet system;
- edgewound copper clad aluminum voice coil;
- shorting copper cap.
Product specification:
- 8” nominal diameter;
- 300 W AES program power;
- 99 dB 1W/1m sensitivity;
- 2” CCAR voice coil;
- 2 kg weight.
| Specifications | |
|---|---|
| Nominal diameter, inches (mm) | 8(200) |
| Nominal impedance, Ohm | 8/16 |
| Rated power (AES), W | 150 |
| Frequency range, Hz | 200-5000 |
| Sensitivity (1W / 1m), dB | 99 |
| Minimum impedance, Ohm | 8@570Hz |
| Bl product, Tm | 14,8 |
| Voice coil inductance, mH (1kHz) | 0,12 |
| Moving mass Mms, g | 21,1 |
| Voice coil | |
| Diameter, inches (mm) | 2(51) |
| Winding material | CCAR |
| Former material | glass fiber |
| Winding depth, mm | 10 |
| Magnetic system | |
| Magnetic gap depth, mm | 9 |
| Flux density, T | 1,45 |
| Thiele-Small parameters | |
| Fs, Hz | 200 |
| Vas, l | 2,5 |
| Qts | 0,69 |
| Qes | 0,76 |
| Qms | 7,5 |
| Re, Оhm | 6,3 |
| Sd, сm2 | 241 |
| Xmax, mm | 2,75 |
| n, % | 2,5 |
| Mounting information | |
| Overall diameter, mm | 210 |
| Baffle cutout diameter, mm | 185 |
| Bolt hole diameter, mm | 5,5 |
| Bolt circle diameter, mm | 196 |
| Height, mm | 93 |
| Net weight, kg | 2 |
