W 200 S - 4 Ohm

Art. No. 9029

20 cm (8") HiFi woofer with strong drive, extended rear pole plate and 35 mm voice-coil for high power handling. Elastic rubber surround and coated paper cone.

Recommended cabinets:

Volume/Principle BR-Channel fb fc/QTC 15 l/closed - - 70 Hz/0,7 20 l/bass reflex BR 19.24 (length 14 cm) 45 Hz - 30 l/bass reflex BR 19.24 (length 11 cm) 39 Hz - 50 l/bass reflex BR 15.34 (length 13 cm) 33 Hz -

Volume/Principle BR-Channel fb fc/QTC
15 l/closed - - 67 Hz/0,8
20 l/bass reflex BR 19.24 (length 14 cm) 45 Hz -
30 l/bass reflex BR 19.24 (length 11 cm) 39 Hz -
50 l/bass reflex BR 15.34 (length 13 cm) 33 Hz -

Technical Data

Rated power
75 W
Maximum power
115 W
Nominal impedance Z
4 Ohm
Frequency response
fu–6000 Hz
(fu: Lower cut-off frequency depending on cabinet)
.
Mean sound pressure level
88 dB (1 W/1 m)
Opening angle (-6 dB)
48°/4000 Hz
Excursion limit
+/−10 mm
Resonance frequency fs
29 Hz
Magnetic induction
1.1 T
Magnetic flux
600 µWb
Height of front pole-plate
5 mm
Voice coil diameter
35 mm
Height of winding
12 mm
Cutout diameter
184 mm
Net weight
1.5 kg
D.C. resistance Rdc
3.4 Ohm
Mechanical Q factor Qms
3.99
Electrical Q factor Qes
0.38
Total Q factor Qts
0.35
Equivalent volume Vas
65 l
Effective piston area Sd
214 cm²
Dynamically moved mass Mms
28 g
Force factor Bxl
7.7 Tm
Inductance of the voice coil L
1.5 mH
Frequency- and impedance response
Directivity pattern