17 cm (6.5") High-End low midrange driver with stiff, anodized aluminium cone, solid aluminium die-cast basket and elastic rubber surround. Extremely low electrical and mechanical losses due to vented pole plate, vented damper and capton voice-coil. Extremely long cone displacement due to long stroke voice coil. Suitable as low-midrange driver for 2-, 3- and 4-way high-end applications up to 2500 Hz.
| Technical Data: |
|---|
| Rated power | 70 W |
| Maximum power | 100 W |
| Nominal impedance Z | 8 Ohm |
| Frequency response | fu–10000 Hz |
| (fu: Lower cut-off frequency depending on cabinet) | . |
| Mean sound pressure level | 88 dB (1 W/1 m) |
| Opening angle (-6 dB) | 51°/4000 Hz |
| Excursion limit | +/−11 mm |
| Resonance frequency fs | 38 Hz |
| Magnetic induction | 1,1 T |
| Magnetic flux | 520 µWb |
| Height of front pole-plate | 6 mm |
| Voice coil diameter | 25 mm |
| Height of winding | 18 mm |
| Cutout diameter | 150 mm |
| Net weight | 1,2 kg |
| D.C. resistance Rdc | 5,6 Ohm |
| Mechanical Q factor Qms | 3,88 |
| Electrical Q factor Qes | 0,43 |
| Total Q factor Qts | 0,39 |
| Equivalent volume Vas | 34 l |
| Effective piston area Sd | 133 cm² |
| Dynamically moved mass Mms | 13 g |
| Force factor Bxl | 6,9 T m |
| Inductance of the voice coil L | 0,9 mH |
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