GRS 5PF-8 5-1/4" Paper Cone Foam Surround Woofer 8 ohm

Thanks to their carefully optimized parameters, GRS 4PF-8 4" poly-laminated paper cone woofers offer a high degree of compatibility when used as replacement speakers.

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Product highlights:

• Perfect for use in sealed-box home theater and music systems
• Poly-laminated paper cone, treated foam surround, and polymer dust cap
• Smooth frequency response with minimal cone breakup

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Product details

GRS 5PF-8 5-1/4" Paper Cone Foam Surround Woofer

The GRS 5PF-8 5-1/4" woofers feature a poly-laminate coated cone and a foam surround. They are ideally suited for all sealed-box speaker applications. Thanks to their carefully optimized parameters, GRS 5PF-8 5-1/4" poly-laminated paper cone woofers offer a high degree of compatibility when used as replacement speakers—they also provide excellent performance in new projects, too.

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Technical Specifications:

• Article number 5PF-8
• Woofer Series Replacement woofer
• Woofer Type Midwoofer
• Nominal Diameter 5-1/4"
• Power Handling (RMS) 70 Watts
• Power Handling (max) 130 Watts
• Impedance (Z) 8 ohms
• Sensitivity (SPL at 1m / 2.83V) 84 dB
• Frequency Response 90 to 8,000 Hz
• Voice Coil Diameter 1"
• DC Resistance (Re) 7.45 ohms
• Voice Coil Inductance (Le) 0.85 mH
• Resonant Frequency (Fs) 100 Hz
• Mechanical Q (Qms) 4.87
• Electromagnetic Q (Qes) 1.97
• Total Q (Qts) 1.4
• Compliance Equivalent Volume (Vas) 0.11 ft.³
• Maximum Linear Excursion (Xmax) 2.5 mm
• Cone / Diaphragm Material Treated Paper
• Surround Material Foam
• Magnet Material Ferrite
• Overall Outside Diameter 5.0625"
• Overall Depth 2.3125"
• Baffle Cutout Diameter 4.75"
• # Mounting Holes 4
• Sealed Volume 0.08 ft.³
• Sealed F3 107 Hz
• Vented Volume 1.26 ft.³ Vented F3 54 Hz