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GRS 8PR-8 8" Poly Cone Rubber Surround Woofer

Brand:|Model: 8PR-8|Part # 292-428


The GRS 8PR-8 8" woofer features a polypropylene cone and a rubber surround. It performs admirably in sealed-box speaker applications.
In Stock
List Price$16.99
Regular Price$12.00
You Save20%
Sale Price
$9.64
Part # 292-428
Highlights
  • Polypropylene cone for perfect balance of stiffness, mass, and self-damping
  • Butyl rubber surround ensures high excursion and long term durability
  • Stamped steel frame keeps components in perfect alignment
  • Optimized motor features high-energy ceramic ferrite magnet, vented pole piece




Product Details

GRS 8PR-8 8" Poly Cone Rubber Surround Woofer

The GRS 8PR-8 8" woofer features a polypropylene cone and a rubber surround. It performs admirably in sealed-box speaker applications. Thanks to its carefully optimized parameters, the GRS 8PR-8 8" polypropylene cone woofer with butyl rubber surround offers a high degree of compatibility when used as a replacement speaker—it also provide excellent performance in new projects, too.



Product Specifications
  • Nominal Diameter8"
  • Power Handling (RMS)65 Watts
  • Power Handling (max)90 Watts
  • Impedance8 ohms
  • Frequency Response40 to 5,000 Hz
  • Sensitivity85 dB 1W/1m
  • Voice Coil Diameter1.5"
Thiele-Small Parameters
  • Resonant Frequency (Fs)52 Hz
  • DC Resistance (Re)7.58 ohms
  • Voice Coil Inductance (Le)1.09 mH
  • Mechanical Q (Qms)4.77
  • Electromagnetic Q (Qes)1.45
  • Total Q (Qts)1.11
  • Compliance Equivalent Volume (Vas)0.76 ft.³
  • Maximum Linear Excursion (Xmax)3 mm
Materials of Construction
  • Cone MaterialPoly
  • Surround MaterialRubber
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter8"
  • Baffle Cutout Diameter7.32"
  • Depth3.44"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.81 ft.³
  • Sealed F354 Hz
  • Vented Volume5.54 ft.³
  • Vented F329 Hz
GRS 8PR-8 8" Poly Cone Rubber Surround Woofer
  • BrandGRS
  • Model8PR-8
  • Part Number292-428
  • UPC844632088520
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (75 Reviews)
  • Weight3 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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GRS 8PR-8 8" Poly Cone Rubber Surround Woofer

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GRS 8PR-8 8" Poly Cone Rubber Surround Woofer

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