Technical Data
Sketch
Amplitude & Impedance Frequency
Directivity pattern
Rated power | 20 Watt |
---|---|
Maximum power | 40 Watt |
Nominal impedance Z | 8 Ohm |
Frequency response | 120-20000 Hz |
Mean sound pressure level | 89 dB (1W/1m) |
Excursion limit | 3 mm |
Resonance frequency fs | 170 Hz |
Magnetic induction | 0.75 Tesla |
Magnetic flux | 190 µb |
Height of front pole-plate | 4 mm |
Voice coil diameter | 20 mm |
Height of winding | 4.5 mm |
Cutout diameter | 110 mm |
Net weight | 0.32 kg |
D.C. resistance Rdc | 6.5 Ohm |
Mechanical Q factor Qms | 4.22 |
Electrical Q factor Qes | 2.8 |
Total Q factor Qts | 1.68 |
Equivalent volume Vas | 1.55 l |
Effective piston area Sd | 75 cm2 |
Dynamically moved mass Mms | 4.5 g |
Force factor Bxl | 3.15 T m |
Inductance of the voice coil L | 0.4 mH |
Temperature range | -25 ... 70 °C |