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 (−)
Frequency- and impedance response
Directivity pattern