17 cm (6.5") HiFi woofer with coated paper cone, elastic rubber surround and inverse dust-cap. Due to the balanced frequency response also suitable as low-midrange driver for 4-way speaker systems. Due to the special basket design especially suitable as replacement driver for many HiFi speakers.
| Technical Data: |
|---|
| Rated power | 60 W |
| Maximum power | 90 W |
| Nominal impedance Z | 4 Ohm |
| Frequency response | fu–7000 Hz |
| (fu: Lower cut-off frequency depending on cabinet) | . |
| Mean sound pressure level | 88 dB (1 W/1 m) |
| Opening angle (-6 dB) | 47°/4000 Hz |
| Excursion limit | +/−6,5 mm |
| Resonance frequency fs | 45 Hz |
| Magnetic induction | 0,8 T |
| Magnetic flux | 314 µWb |
| Height of front pole-plate | 5 mm |
| Voice coil diameter | 25 mm |
| Height of winding | 12 mm |
| Cutout diameter | 150 mm |
| Net weight | 0,97 kg |
| D.C. resistance Rdc | 3,2 Ohm |
| Mechanical Q factor Qms | 2,35 |
| Electrical Q factor Qes | 0,9 |
| Total Q factor Qts | 0,65 |
| Equivalent volume Vas | 22 l |
| Effective piston area Sd | 143 cm² |
| Dynamically moved mass Mms | 16 g |
| Force factor Bxl | 3,9 T m |
| Inductance of the voice coil L | 0,6 mH |
| Connections | 5,2 x 0,8 mm (+)
2,8 x 0,8 mm (−) |
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