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Goldwood GW-4028/S 4" Woofer Shielded

Brand:|Model: GW-4028/S|Part # 290-373


These drivers feature a poly-mica cone, 1" voice coil, and rubber surround, making them great for small home theater projects.
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Part # 290-373




Product Details

Goldwood GW-4028/S 4" Woofer Shielded

These drivers feature a poly-mica cone, 1" voice coil, and rubber surround, making them great for small home theater projects. With an extremely small stray magnetic field, they can be used very close to CRT-based monitors.



Product Specifications
  • Nominal Diameter4"
  • Power Handling (RMS)40 Watts
  • Power Handling (max)70 Watts
  • Impedance8 ohms
  • Frequency Response70 to 10,000 Hz
  • Sensitivity83 dB 2.83V/1m
  • Voice Coil Diameter1"
  • Magnet Weight16 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)83.1 Hz
  • DC Resistance (Re)7.1 ohms
  • Voice Coil Inductance (Le)0.4 mH
  • Mechanical Q (Qms)2.4
  • Electromagnetic Q (Qes)1
  • Total Q (Qts)0.7
  • Compliance Equivalent Volume (Vas)0.07 ft.³
  • Mechanical Compliance of Suspension (Cms)0.61 mm/N
  • BL Product (BL)4.8 Tm
  • Diaphragm Mass Inc. Airload (Mms)6g
  • Maximum Linear Excursion (Xmax)1.5 mm
  • Surface Area of Cone (Sd)49.5 cm²
Materials of Construction
  • Cone MaterialPoly
  • Surround MaterialRubber
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter4.375"
  • Baffle Cutout Diameter3.75"
  • Depth2.75"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.12 ft.³
  • Sealed F3103 Hz
  • Vented Volume0.2 ft.³
  • Vented F353 Hz
Goldwood GW-4028/S 4" Woofer Shielded
  • BrandGoldwood
  • ModelGW-4028/S
  • Part Number290-373
  • UPC643420100259
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (15 Reviews)
  • Weight2.65 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Goldwood GW-4028/S 4" Woofer Shielded

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Goldwood GW-4028/S 4" Woofer Shielded

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