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Goldwood GW-206/4 6-1/2" OEM Woofer 4 Ohm

GoldwoodPart # 290-300
Model: GW-206/4
These low frequency OEM drivers are ideal for the customer who is looking for inexpensive replacement woofers. Each woofer features a poly-laminated paper cone, vented pole piece, moisture resistant poly foam surround, and stamped steel frame.
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MSRP: $37.99
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Estimated back in stock 2/13/2026
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Overview

Goldwood GW-206/4 6-1/2" OEM Woofer 4 Ohm

These low frequency OEM drivers are ideal for the customer who is looking for inexpensive replacement woofers. Each woofer features a poly-laminated paper cone, vented pole piece, moisture resistant poly foam surround, and stamped steel frame.

Product Details

BrandGoldwood
ModelGW-206/4
Part Number290-300
UPC643420100396
Unit of MeasureEach
Weight4.224

Product Specifications

Nominal Diameter6-1/2"
Power Handling (RMS)90 Watts
Power Handling (MAX)180 Watts
Impedance4Ω
Frequency Response56 to 8,000Hz
Sensitivity88dB 2.83V/1m
Voice Coil Diameter1.5"

Thiele-Small Parameters

Resonant Frequency (Fs)58.9Hz
DC Resistance (Re)3.7Ω
Voice Coil Inductance (Le)0.4mH
Mechanical Q (Qms)3.84
Electromagnetic Q (Qes)0.73
Total Q (Qts)0.61
Compliance Equivalent Volume (Vas)0.47ft³
Mechanical Compliance of Suspension (Cms)0.51mm/N
BL Product (BL)5.19T·m
Diaphragm Mass Inc. Airload (Mms)14.4g
Maximum Linear Excursion (Xmax)3.5mm
Surface Area of Cone (Sd)136.35cm²

Materials of Construction

Cone MaterialTreated Paper
Surround MaterialFoam
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter6.5"
Baffle Cutout Diameter5.625"
Depth3.3125"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.47ft³
Sealed F377.8Hz
Vented Volume1ft³
Vented F346.9Hz

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