17 cm (6.5") HiFi woofer with very good price/performance ratio. Suitable for simple 2-way speakers and car rear tray systems. Especially suited als replacement driver for many HiFi speakers.
Technical Data: |
Rated power | 40 W |
Maximum power | 70 W |
Nominal impedance Z | 8 Ohm |
Frequency response | fu–6000 Hz |
(fu: Lower cut-off frequency depending on cabinet) | . |
Mean sound pressure level | 87 dB (1 W/1 m) |
Opening angle (-6 dB) | 54°/4000 Hz |
Excursion limit | +/−7,5 mm |
Resonance frequency fs | 57 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 | 146 mm |
Net weight | 0,77 kg |
D.C. resistance Rdc | 7,2 Ohm |
Mechanical Q factor Qms | 2,92 |
Electrical Q factor Qes | 0,90 |
Total Q factor Qts | 0,69 |
Equivalent volume Vas | 24 l |
Effective piston area Sd | 137 cm² |
Dynamically moved mass Mms | 8,7 g |
Force factor Bxl | 5,0 T m |
Inductance of the voice coil L | 0,9 mH |
Connections | 4,8 x 0,8 mm (+) 4,8 x 0,8 mm (−) |