30 cm (12") woofer with air-dried cone and pressure vented pole piece. Can be fitted at front or rear. Excellent value for money coupled with very good power-handling capabilities. Particularly suitable as a replacement for HiFi speakers.
| Rated power | 120 Watt |
|---|---|
| Maximum power | 180 Watt |
| Nominal impedance Z | 4 Ohm |
| Frequency response | fu - 2500 Hz |
| (fu: Lower cut-off frequency depending on cabinet) | . |
| Mean sound pressure level | 91 dB (1W/1m) |
| Excursion limit | 28 mm |
| Resonance frequency fs | 32 Hz |
| Magnetic induction | 0.95 Tesla |
| Magnetic flux | 1250 µ Weber |
| Height of front pole-plate | 8 mm |
| Voice coil diameter | 5 cm |
| Height of winding | 1.8 cm |
| Cutout diameter | 28 cm |
| Net weight | 2.8 kg |
| D.C. resistance Rdc | 3.8 Ohm |
| Mechanical Q factor Qms | 2.77 |
| Electrical Q factor Qes | 0.56 |
| Total Q factor Qts | 0.46 |
| Equivalent volume Vas | 190 l |
| Effective piston area Sd | 490 cm2 |
| Dynamically moved mass Mms | 43 g |
| Force factor Bxl | 8.3 T · m |
| Inductance of the voice coil L | 1.07 mH |
