GRS 8SW-4 8" Poly Cone Subwoofer 4 Ohm
Product description
The GRS 8SW-4 8" 4 ohm poly cone driver is a true bargain in replacement subwoofers! This economical sub features a large diameter voice coil, durable polypropylene cone, and extended excursion for high energy bass reproduction.
Product details
GRS 8SW-4 8" Poly Cone Subwoofer 4 Ohm
Now you can replace blown or damaged subwoofers with new drivers that equal or outperform the original! GRS poly cone subwoofers are the perfect replacement for tired, worn-out subwoofers in a variety of audio gear and even work great for new designs. Their handsome polypropylene cones provide durability and good looks, while the large vented magnet assemblies and extended voice coils enable long-throw performance and authoritative bass in a variety of enclosures.
The 8" model features a 1-1/2" diameter voice coil with extended 6mm excursion for solid bass performance in compact sealed and vented enclosures. These versatile subs are also rugged enough to be used in dipole and automotive infinite baffle applications.
See the below list of recommended enclosure alignments for new designs.
Recommended sealed enclosure: 1.0 ft^3, F3 = 48 Hz, Qtc: 1.16
Recommended vented enclosure: 1.0 ft^3, Fb = 40 Hz, F3 = 34 Hz
- Diameter
- 8"
- Impedance
- 4 Ω
- Power
- 80 W
- Material
- Polypropylene
Product Details
Brand GRS
Model 8SW-4
Part Number 292-480
UPC 848864020198
Unit of Measure Each
Weight 3.8
Product Specifications
Nominal Diameter 8"
Bolt Circle Diameter 7.875
Power Handling (RMS) 80 Watts
Power Handling (MAX) 160 Watts
Impedance 4Ω
Frequency Response 40 to 800Hz
Sensitivity 88dB 2.83V/1m
Voice Coil Diameter 1.5"
Thiele-Small Parameters
Resonant Frequency (Fs) 49Hz
DC Resistance (Re) 3.86Ω
Voice Coil Inductance (Le) 0.84mH
Mechanical Q (Qms) 4.22
Electromagnetic Q (Qes) 1.19
Total Q (Qts) 0.88
Compliance Equivalent Volume (Vas) 0.93ft³
Diaphragm Mass Inc. Airload (Mms) 11.12g
Maximum Linear Excursion (Xmax) 6mm
Surface Area of Cone (Sd) 139.8cm²
Materials of Construction
Cone Material Poly
Surround Material Rubber
Voice Coil Wire Material Copper
Basket / Frame Material Steel
Magnet Material Ferrite
Mounting Information
Overall Outside Diameter 8.25"
Baffle Cutout Diameter 7.25"
Depth 4"
# Mounting Holes 8
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