W 200 - 4 Ohm

Art. No. 9064

20 cm (8") woofer with very good price/performance ratio. Suitable for simple 2-way speakers and car rear tray systems. Especially suited as replacement driver for many HiFi speakers.

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
88 dB (1 W/1 m)
Opening angle (-6 dB)
49°/4000 Hz
Excursion limit
+/−10 mm
Resonance frequency fs
45 Hz
Magnetic induction
1.0 T
Magnetic flux
400 µWb
Height of front pole-plate
5 mm
Voice coil diameter
25 mm
Height of winding
9 mm
Cutout diameter
185 mm
Net weight
1.045 kg
D.C. resistance Rdc
3.2 Ohm
Mechanical Q factor Qms
3.46
Electrical Q factor Qes
0.77
Total Q factor Qts
0.63
Equivalent volume Vas
54
Effective piston area Sd
207 cm²
Dynamically moved mass Mms
14 g
Force factor Bxl
4.2 Tm
Inductance of the voice coil L
0.5 mH
Frequency- and impedance response
Directivity pattern