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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 -

*Gross price for private customers. Industrial prices are available on request.
Technical Data
Sketch
Recommended cabinets
Amplitude & Impedance Frequency
Directivity pattern
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
Connections 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
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 -

Used in / Accessories:

SUB W-20.39

The SUB W-20.39 is the ideal subwoofer for boosting the bass output of smaller or medium-sized speakers. On the one hand, it is powerful enough to generate driving low-range bass effects in normal rooms and, on the other hand, highly compact. In large rooms or if extremely high bass output is required for longer periods, a second subwoofer of the same type can be added.
If the SUB W-20.39 is to be used in the vicinity of a TV set, then instead of the W 200 S - 4 OHM, we recommend using the magnetically shielded W 200 SC - 4 OHM. This prevents the TV being distorted by the magnetic scatter field.
In addition, it is also possible to use the 8 ohm version of the woofer (W 200 S - 8 OHM, W 200 SC - 8 OHM) if the amplifier used does not allow lower impedance speakers to be connected or if several subwoofers are to be combined.
Not available as a complete kit.

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