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Dayton Audio GF180-4 6-1/2″ Glass Fiber Cone Woofer 4 Ohm

With flat response to 4,000 Hz and excellent low frequency extension, the GF180-4 6-1/2” glass fiber cone woofer from Dayton Audio is ideal for use in low cost 2-ways speaker designs. The naturally damped woven fiberglass cone is driven by a 4-layer voice coil wound on an aluminum former. This driver is a great choice for your next bookshelf speaker, multiple driver tower, or even portable sound systems.

Product Details

Brand Dayton Audio
Model GF180-4
Part Number 295-417
UPC 848791007910
Unit of Measure Each
Weight 3.6
Product Specifications

Nominal Diameter 6-1/2″
Power Handling (RMS) 40 Watts
Power Handling (MAX) 80 Watts
Impedance 4Ω
Frequency Response 45 to 5,000Hz
Sensitivity 90.7dB 2.83V/1m
Voice Coil Diameter 1″
Thiele-Small Parameters

Resonant Frequency (Fs) 49Hz
DC Resistance (Re) 4.4Ω
Voice Coil Inductance (Le) 1.1mH
Mechanical Q (Qms) 3.43
Electromagnetic Q (Qes) 0.48
Total Q (Qts) 0.42
Compliance Equivalent Volume (Vas) 0.58ft³
Mechanical Compliance of Suspension (Cms) 0.7mm/N
BL Product (BL) 6.5T·m
Diaphragm Mass Inc. Airload (Mms) 14.8g
Maximum Linear Excursion (Xmax) 4mm
Surface Area of Cone (Sd) 130.2cm²
Materials of Construction

Cone Material Fiberglass
Surround Material Rubber
Voice Coil Wire Material Copper
Voice Coil Former Aluminum
Basket / Frame Material Steel
Magnet Material Ferrite
Mounting Information

Overall Outside Diameter 7″
Baffle Cutout Diameter 5.67″
Depth 3.19″
# Mounting Holes 4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)

Sealed Volume 0.25ft³
Sealed F3 94Hz
Vented Volume 0.6ft³
Vented F3 51Hz