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Product Description
Manufacturer Part Number: 8SW-4
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.
Key Features:
Overview:
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
Specification:
Manuals & Resources:
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.
Key Features:
- Polypropylene cone for perfect balance of stiffness, mass, and self-damping
- Butyl rubber surround ensures high excursion and long-term durability
- Large 1-1/2" voice coil and bumped back plate enable high power handling
- Long-throw design for deep, powerful bass
Overview:
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
Specification:
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 | 89dB 2.83V/1m |
| Voice Coil Diameter | 1.5" |
Thiele-Small Parameters | |
|---|---|
| Resonant Frequency (Fs) | 48Hz |
| DC Resistance (Re) | 3.8Ω |
| Voice Coil Inductance (Le) | 0.8mH |
| Mechanical Q (Qms) | 4.33 |
| Electromagnetic Q (Qes) | 1.13 |
| Total Q (Qts) | 0.89 |
| Compliance Equivalent Volume (Vas) | 0.78ft³ |
| Mechanical Compliance of Suspension (Cms) | 0.33mm/N |
| BL Product (BL) | 5.8T·m |
| Diaphragm Mass Inc. Airload (Mms) | 33.2g |
| Maximum Linear Excursion (Xmax) | 6mm |
| Surface Area of Cone (Sd) | 216.8cm² |
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 |
Parts Express Staff Recommended Enclosure Volume | |
|---|---|
| Sealed Volume | 1ft³ |
| Sealed F3 | 52.9Hz |
| Vented Volume | 1ft³ |
| Vented F3 | 42.9Hz |
Manuals & Resources:
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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