GRS 6PR-8 6-1/2" Poly Cone Rubber Surround Woofer

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Parts ExpressSKU: K775 | UPC: 844632088513
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GRS 6PR-8 6-1/2" polypropylene cone woofers with butyl rubber surrounds are great replacement speakers, but also provide excellent performance in new projects.

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

Product Specifications

Nominal Diameter 6-1/2"

Power Handling (RMS) 60 Watts

Power Handling (MAX) 85 Watts

Impedance 8Ω

Frequency Response 60 to 8,000Hz

Sensitivity 85dB 2.83V/1m

Voice Coil Diameter 1.5"

Thiele-Small Parameters

Resonant Frequency (Fs) 75Hz

DC Resistance (Re) 7.55Ω

Voice Coil Inductance (Le) 1.11mH

Mechanical Q (Qms) 4.32

Electromagnetic Q (Qes) 1.34

Total Q (Qts) 1.02

Compliance Equivalent Volume (Vas) 0.24ft³

Maximum Linear Excursion (Xmax) 3mm

Materials of Construction

Cone Material Poly

Surround Material Rubber

Magnet Material Ferrite

Mounting Information

Overall Outside Diameter 6.5"

Baffle Cutout Diameter 5.625"

Depth 3.0625"

# Mounting Holes 4

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

Sealed Volume 0.29ft³

Sealed F3 78Hz

Vented Volume 1.48ft³

Vented F3 43Hz

California Prop 65

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