W 170 - 8 Ohm

Art. No. 9063

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 (+) 2,8 x 0,8 mm (−)
Show all data


frequency- and impedance response

directivity pattern