13 cm (5") low-midrange driver with paper cone and elastic rubber surround. Due to the special basket design especially suitable as replacement driver for many HiFi speakers.
| Rated power | 40 Watt |
|---|---|
| Maximum power | 60 Watt |
| Nominal impedance Z | 4 Ohm |
| Frequency response | fu - 12000 Hz |
| (fu: Lower cut-off frequency depending on cabinet) | . |
| Mean sound pressure level | 86 dB (1W/1m) |
| Excursion limit | 15 mm |
| Resonance frequency fs | 83 Hz |
| Magnetic induction | 1 Tesla |
| Magnetic flux | 250 µ Weber |
| Height of front pole-plate | 4 mm |
| Voice coil diameter | 2 cm |
| Height of winding | 0.55 cm |
| Cutout diameter | 11.3 cm |
| Net weight | 0.34 kg |
| D.C. resistance Rdc | 3.7 Ohm |
| Mechanical Q factor Qms | 3.69 |
| Electrical Q factor Qes | 1.23 |
| Total Q factor Qts | 0.92 |
| Equivalent volume Vas | 7.1 l |
| Effective piston area Sd | 86.5 cm2 |
| Dynamically moved mass Mms | 5.5 g |
| Force factor Bxl | 2.93 T · m |
| Inductance of the voice coil L | 0.4 mH |
