W 300 S - 8 Ohm

30 cm (12") HiFi woofer with powerful drive, extended rear pole plate and long stroke surround. 50 mm voice-coil for high power handling. Very suitable for large 3-way and 4-way combinations and for high power handling subwoofers.

Recommended cabinets:

Volume/Principle BR-Channel fb

70 l/bass reflex 2 x BR 15.34 36 Hz

100 l/bass reflex 2 x BR 15.34 (length 12 cm) 32 Hz

1 x BR 25.50 (length 7 cm)

150 l/bass reflex 2 x BR 15.34 (length 7 cm) 29 Hz

No longer available.

Volume/Principle BR-Channel fb
70 l/bass reflex 2 x BR 15.34 36 Hz
100 l/bass reflex 2 x BR 15.34 (length 12 cm) 32 Hz
1 x BR 25.50(length 7 cm)
150 l/bass reflex 2 x BR 15.34 (length 7 cm) 29 Hz

Technical Data

Rated power
150 W
Maximum power
200 W
Nominal impedance Z
8 Ohm
Frequency response
fu–4200 Hz
(fu: Lower cut-off frequency depending on cabinet)
.
Mean sound pressure level
92 dB (1 W/1 m)
Excursion limit
+/−14 mm
Resonance frequency fs
23 Hz
Magnetic induction
1.1 T
Magnetic flux
1400 µWb
Height of front pole-plate
8 mm
Voice coil diameter
50 mm
Height of winding
18.5 mm
Cutout diameter
280 mm
Net weight
4.5 kg
D.C. resistance Rdc
6.7 Ohm
Mechanical Q factor Qms
1.65
Electrical Q factor Qes
0.42
Total Q factor Qts
0.33
Equivalent volume Vas
340 l
Effective piston area Sd
507 cm²
Dynamically moved mass Mms
57 g
Force factor Bxl
11.0 Tm
Inductance of the voice coil L
1.8 mH
Frequency- and impedance response
Used in / Accessories: