Technical Data
Sketch
Amplitude & Impedance Frequency
| Rated power | 40 W |
|---|---|
| Maximum power | 70 W |
| Nominal impedance Z | 4 Ohm |
| Frequency response | fu–6000 Hz |
| (fu: Lower cut-off frequency depending on cabinet) | . |
| Mean sound pressure level | 87 dB (1 W/1 m) |
| Excursion limit | 15 mm |
| Resonance frequency fs | 68 Hz |
| Magnetic induction | 1.0 T |
| Magnetic flux | 240 µWb |
| Height of front pole-plate | 3 mm |
| Voice coil diameter | 25 mm |
| Height of winding | 7 mm |
| Cutout diameter | 143 mm |
| Net weight | 0.77 kg |
| D.C. resistance Rdc | 3.7 Ohm |
| Mechanical Q factor Qms | 3.84 |
| Electrical Q factor Qes | 0.95 |
| Total Q factor Qts | 0.76 |
| Equivalent volume Vas | 17.3 l |
| Effective piston area Sd | 137 cm² |
| Dynamically moved mass Mms | 8.3 g |
| Force factor Bxl | 3.7 T m |
| Inductance of the voice coil L | 0.47 mH |
