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Visaton W 200 S 4 Ohm, 8 Inch, HiFi Woofer

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W 200 S · 4 Ω · part 9029 — Product photo

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W 200 S · 4 Ω · part 9029 — Product photo Product photo W 200 S · 4 Ω · part 9029 — Rear view and connections (8 Ω version shown) Rear view and connections (8 Ω version shown) W 200 S · 4 Ω · part 9029 — Dimension drawing Dimension drawing W 200 S · 4 Ω · part 9029 — Response and impedance Response and impedance W 200 S · 4 Ω · part 9029 — Directivity pattern Directivity pattern

Product photographs and manufacturer drawings. Images are not to scale.

W 200 S · 4 Ω · part 9029 — Product photo

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Part number: 9029

A 20 cm hi-fi woofer with a 35 mm voice coil for high-power bass in multi-way speakers.

Nominal size
20 cm / 8 inch
Impedance
4 Ω
Rated power
75 W
Cut-out
184 mm
Sensitivity
88 dB (1 W/1 m)
Resonance
29 Hz
£55.95 Business price, ex VAT £67.14 inc VAT at 20%
Maximum quantity available reached.

Description

The W 200 S is a 20 cm hi-fi woofer with a strong motor, an extended rear pole plate and a 35 mm voice coil for high power handling, working through a coated paper cone on an elastic rubber surround. This 4 Ω version takes 75 W rated power, has a d.c. resistance of 3.4 Ω and an excursion limit of ±10 mm.

Typical applications

  • Two-way hi-fi speakers
  • Three-way hi-fi speakers (bass/midrange)
  • Large multi-way speaker systems
Full specifications
W 200 S · 4 Ω
Rated power75 W
Maximum power115 W
Nominal impedance4 Ω
Frequency response (−10 dB)fu–6000 Hz (fu: lower cut-off depends on the cabinet)
Mean sound pressure level88 dB (1 W/1 m)
Opening angle (-6 dB)48°/4000 Hz
Excursion limit±10 mm
Resonance frequency fs29 Hz (datasheet: 30 Hz)
Magnetic induction1.1 T
Magnetic flux600 µWb
Height of front pole-plate5 mm
Voice coil diameter35 mm
Height of winding12 mm
Cut-out184 mm
Net weight1.5 kg
D.C. resistance Rdc3.4 Ω
Mechanical Q factor Qms3.99
Electrical Q factor Qes0.38
Total Q factor Qts0.35
Equivalent volume Vas65 l
Effective piston area Sd214 cm²
Dynamically moved mass Mms28 g
Force factor Bxl7.7 Tm
Inductance of the voice coil L1.5 mH
Terminals4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Dimensions and drawings
W 200 S · 4 Ω · part 9029 — Dimension drawing

Dimension drawing · Open original image

Installation and cabinet guidance

Allow a 184 mm cut-out for a frame that measures 232 mm across, with the fixing holes on a 218 mm circle for 5 mm screws; mark the hole positions from the driver itself before drilling. Behind the baffle allow about 88 mm of clear depth for the basket and its 100 mm magnet, with room beyond that for the terminals and the wiring.

Fit it to a rigid baffle with a continuous gasket or sealing strip between the frame and the panel, and tighten the fixings evenly and only enough to seal so the frame is not pulled out of shape. Check that the cone and the rubber surround stay clear of the grille and of any internal bracing. At 1.5 kg, and with an excursion limit of ±10 mm, it repays a braced baffle and a grille set well clear of the cone.

The terminals take 4.8 x 0.8 mm blades on the positive side and 2.8 x 0.8 mm on the negative, so blade size identifies polarity. Use matching push-on connectors, observe polarity, insulate the joints and keep the wiring clear of the moving parts, and choose an amplifier or crossover suited to the 4 Ω load.

Visaton's published enclosure suggestions for this driver: 15 l closed (fc 67 Hz, Qtc 0.8); 20 l bass reflex with one BR 19.24 port cut to 14 cm (fb 45 Hz); 30 l bass reflex with one BR 19.24 port cut to 11 cm (fb 39 Hz); 50 l bass reflex with one BR 15.34 port cut to 13 cm (fb 33 Hz).

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