17 cm (6.5") HiFi woofer with coated paper cone, powerful drive and extended rear pole plate. Special voice-coil and elastic rubber surround for long strokes.
Technical Data: |
Rated power | 50 W |
Maximum power | 80 W |
Nominal impedance Z | 4 Ohm |
Frequency response | fu–8000 Hz |
(fu: Lower cut-off frequency depending on cabinet) | . |
Mean sound pressure level | 86 dB (1 W/1 m) |
Opening angle (-6 dB) | 72°/4000 Hz |
Excursion limit | +/−10 mm |
Resonance frequency fs | 36 Hz |
Magnetic induction | 1,0 T |
Magnetic flux | 314 µWb |
Height of front pole-plate | 4 mm |
Voice coil diameter | 25 mm |
Height of winding | 12,5 mm |
Cutout diameter | 148 mm |
Net weight | 1,1 kg |
D.C. resistance Rdc | 3,2 Ohm |
Mechanical Q factor Qms | 2,16 |
Electrical Q factor Qes | 0,51 |
Total Q factor Qts | 0,41 |
Equivalent volume Vas | 38 l |
Effective piston area Sd | 129 cm² |
Dynamically moved mass Mms | 12 g |
Force factor Bxl | 4,4 Tm |
Inductance of the voice coil L | 0,6 mH |