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  • w300s
w300s

W 300 S - 4 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
Technical Data
Sketch
Recommended cabinets
Amplitude & Impedance Frequency
Rated power 150 W
Maximum power 200 W
Nominal impedance Z 4 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 3.5 Ohm
Mechanical Q factor Qms 1.6
Electrical Q factor Qes 0.3
Total Q factor Qts 0.25
Equivalent volume Vas 300 l
Effective piston area Sd 507 cm²
Dynamically moved mass Mms 62 g
Force factor Bxl 8.4 Tm
Inductance of the voice coil L 1.1 mH
w300s_tz
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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
w300s_4_fs
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