25 cm (10") HiFi woofer with strong drive, extended rear pole plate and 38 mm voice-coil for high power handling. Elastic rubber surround, coated paper cone and magnet vent.
| Technical Data: |
| Rated power | 100 W |
| Maximum power | 150 W |
| Nominal impedance Z | 8 Ohm |
| Frequency response | fu–5500 Hz |
| (fu: Lower cut-off frequency depending on cabinet) | . |
| Mean sound pressure level | 90 dB (1 W/1 m) |
| Excursion limit | +/−7 mm |
| Resonance frequency fs | 31 Hz |
| Magnetic induction | 1,0 T |
| Magnetic flux | 835 µWb |
| Height of front pole-plate | 7 mm |
| Voice coil diameter | 38 mm |
| Height of winding | 17 mm |
| Cutout diameter | 233 mm |
| Net weight | 3 kg |
| D.C. resistance Rdc | 6,6 Ohm |
| Mechanical Q factor Qms | 1,88 |
| Electrical Q factor Qes | 0,39 |
| Total Q factor Qts | 0,32 |
| Equivalent volume Vas | 121 l |
| Effective piston area Sd | 346 cm² |
| Dynamically moved mass Mms | 38 g |
| Force factor Bxl | 9,2 Tm |
| Inductance of the voice coil L | 1,5 mH |