30 cm (12") woofer with air-dried cone and pressure vented pole piece. Can be fitted at front or rear. Excellent value for money coupled with very good power-handling capabilities. Particularly suitable as a replacement for HiFi speakers.
Technical Data: |
Rated power | 120 W |
Maximum power | 180 W |
Nominal impedance Z | 8 Ohm |
Frequency response | fu–2500 Hz |
(fu: Lower cut-off frequency depending on cabinet) | . |
Mean sound pressure level | 91 dB (1 W/1 m) |
Excursion limit | +/−14 mm |
Resonance frequency fs | 32 Hz |
Magnetic induction | 0,95 T |
Magnetic flux | 1250 µWb |
Height of front pole-plate | 8 mm |
Voice coil diameter | 50 mm |
Height of winding | 18,5 mm |
Cutout diameter | 280 mm |
Net weight | 2,8 kg |
D.C. resistance Rdc | 6,9 Ohm |
Mechanical Q factor Qms | 2,85 |
Electrical Q factor Qes | 0,68 |
Total Q factor Qts | 0,55 |
Equivalent volume Vas | 190 l |
Effective piston area Sd | 490 cm² |
Dynamically moved mass Mms | 43 g |
Force factor Bxl | 9,44 Tm |
Inductance of the voice coil L | 1,77 mH |