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Goldwood GW-1858 18" Pro Woofer

Brand:|Model: GW-1858|Part # 290-386


Designed for sound reinforcement systems, lead guitar and rhythm guitars, practice amplifiers for bass guitar, stage monitors, and vocal PA systems. They feature accordion paper surround, poly laminated paper cone, and a vented pole piece.
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Part # 290-386




Product Details

Goldwood GW-1858 18" Pro Woofer

Designed for sound reinforcement systems, lead guitar and rhythm guitars, practice amplifiers for bass guitar, stage monitors, and vocal PA systems. They feature accordion paper surround, poly laminated paper cone, and a vented pole piece.



Product Specifications
  • Nominal Diameter18"
  • Power Handling (RMS)220 Watts
  • Power Handling (max)340 Watts
  • Impedance8 ohms
  • Frequency Response20 to 6,000 Hz
  • Sensitivity94.3 dB 2.83V/1m
  • Voice Coil Diameter2.5"
  • Magnet Weight50 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)30.28 Hz
  • DC Resistance (Re)5.3 ohms
  • Voice Coil Inductance (Le)0.6 mH
  • Mechanical Q (Qms)6.7
  • Electromagnetic Q (Qes)1.3
  • Total Q (Qts)1.1
  • Compliance Equivalent Volume (Vas)18.49 ft.³
  • Mechanical Compliance of Suspension (Cms)0.23 mm/N
  • BL Product (BL)9.8 Tm
  • Diaphragm Mass Inc. Airload (Mms)120.9g
  • Maximum Linear Excursion (Xmax)2 mm
  • Surface Area of Cone (Sd)1277.01 cm²
Materials of Construction
  • Cone MaterialPaper
  • Surround MaterialPaper
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter18"
  • Baffle Cutout Diameter16.5"
  • Depth7.875"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume14.65 ft.³
  • Sealed F334 Hz
  • Vented Volume125.6 ft.³
  • Vented F317 Hz
Goldwood GW-1858 18" Pro Woofer
  • BrandGoldwood
  • ModelGW-1858
  • Part Number290-386
  • UPC643420100112
  • Product CategoryPro Woofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Product Rating
    (4 Reviews)
  • Weight11.4 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.

Reviews

Goldwood GW-1858 18" Pro Woofer

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Goldwood GW-1858 18" Pro Woofer

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