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Goldwood GW-204/4S 4" Shielded Poly Woofer 4 Ohm

GoldwoodPart # 290-370
Model: GW-204/4S
The poly-laminated paper cone, treated foam surround, and polymer dustcap give these drivers a very smooth frequency response with minimal cone breakup. The shielded magnet structure of this driver makes it great for A/V applications.
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MSRP: $23.99
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Overview

Goldwood GW-204/4S 4" Shielded Poly Woofer 4 Ohm

The poly-laminated paper cone, treated foam surround, and polymer dustcap give these drivers a very smooth frequency response with minimal cone breakup. The shielded magnet structure of this driver makes it great for A/V applications.

Product Details

BrandGoldwood
ModelGW-204/4S
Part Number290-370
UPC643420100358
Unit of MeasureEach
Weight1.4

Product Specifications

Nominal Diameter4-1/2"
Power Handling (RMS)40 Watts
Power Handling (MAX)70 Watts
Impedance4Ω
Frequency Response70 to 13,000Hz
Sensitivity86dB 2.83V/1m
Voice Coil Diameter1"

Thiele-Small Parameters

Resonant Frequency (Fs)139.8Hz
DC Resistance (Re)3.7Ω
Voice Coil Inductance (Le)0.1mH
Mechanical Q (Qms)7.19
Electromagnetic Q (Qes)2.2
Total Q (Qts)1.69
Compliance Equivalent Volume (Vas)0.04ft³
Mechanical Compliance of Suspension (Cms)0.24mm/N
BL Product (BL)2.84T·m
Diaphragm Mass Inc. Airload (Mms)5.2g
Maximum Linear Excursion (Xmax)1.5mm
Surface Area of Cone (Sd)53.52cm²

Materials of Construction

Cone MaterialTreated Paper
Surround MaterialFoam
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter5" outside edge to edge, 4.15"
Baffle Cutout Diameter4"
Depth2.5625"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.05ft³
Sealed F3128.9Hz

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