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

kjdElectronicsSKU: K773 | UPC: 844632088520
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Sale price$24.49
Stock:
Only 4 units left

Description

The GRS 8PR-8 8" woofer features a polypropylene cone and a rubber surround. It performs admirably in sealed-box speaker applications.

Key Features

  • 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

The GRS 8PR-8 8" woofer features a polypropylene cone and a rubber surround to produce smooth response with outstanding damping. Thanks to its carefully optimized parameters, this driver is ideal for use in sealed-box speaker applications giving it a high degree of compatibility when used as a replacement speaker—it provides excellent performance in new designs, as well.

Product Specifications

Nominal Diameter: 8"

Power Handling (RMS): 65 Watts

Power Handling (MAX): 90 Watts

Impedance: 8Ω

Frequency Response: 40 to 5,000Hz

Sensitivity: 85dB 2.83V/1m

Voice Coil Diameter: 1.5"

Thiele-Small Parameters

Resonant Frequency (Fs) 52Hz

DC Resistance (Re) 7.58Ω

Voice Coil Inductance (Le) 1.09mH

Mechanical Q (Qms) 4.77

Electromagnetic Q (Qes) 1.45

Total Q (Qts) 1.11

Compliance Equivalent Volume (Vas) 0.76ft³

Maximum Linear Excursion (Xmax) 3mm

Materials of Construction

Cone Material Poly

Surround Material Rubber

Magnet Material Ferrite

Mounting Information

Overall Outside Diameter 8"

Baffle Cutout Diameter 7.32"

Depth 3.44"

# Mounting Holes 4

Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)

Sealed Volume 0.81ft³

Sealed F3 54Hz

Vented Volume 5.54ft³

Vented F3 29Hz

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