20 cm (8") full-range speaker with tweeter dome. High efficiency. Suitable for full-range units as vocal or guitar monitors or as a mid-range unit for full-scale or musicians' PA systems.
Typical applications:
- Midrange unit for full scale or musicians' PA systems
- Vocal or guitar monitors
- Fullrange speaker for electronic organs and keyboards
Technical Data: |
Rated power | 40 W |
Maximum power | 70 W |
Nominal impedance Z | 8 Ohm |
Frequency response | fu–18000 Hz |
(fu: Lower cut-off frequency depending on cabinet) | . |
Mean sound pressure level | 92 dB (1 W/1 m) |
Opening angle (-6 dB) | 45°/4000 Hz |
Excursion limit | +/−4 mm |
Resonance frequency fs | 38 Hz |
Magnetic induction | 1,2 T |
Magnetic flux | 380 µWb |
Height of front pole-plate | 4 mm |
Voice coil diameter | 25 mm |
Height of winding | 8 mm |
Cutout diameter | 184 mm |
Net weight | 1,3 kg |
D.C. resistance Rdc | 6,2 Ohm |
Mechanical Q factor Qms | 3,47 |
Electrical Q factor Qes | 0,51 |
Total Q factor Qts | 0,44 |
Equivalent volume Vas | 110 l |
Effective piston area Sd | 214 cm² |
Dynamically moved mass Mms | 10 g |
Force factor Bxl | 6,1 Tm |
Inductance of the voice coil L | 0,8 mH |
Temperature range | −25 ... 70 °C |