GRS 12PR-8 12" Poly Cone Rubber Surround Woofer 8 ohm

A GRS 12PR-8 12" 8 ohm polypropylene cone woofer is a good, economical way to repair older speaker systems or create new projects.

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Product 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

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Product details

GRS 12PR-8 12" Poly Cone Rubber Surround Woofer

A GRS 12PR-8 12" 8 ohm polypropylene cone woofer is a good, economical way to repair older speaker systems or create new projects.

Technical Specifications:

• Article number 12PR-8
• Woofer Series Replacement woofer
• Woofer Type Midwoofer
• Nominal Diameter 12"
• Power Handling (RMS) 100 Watts
• Power Handling (max) 140 Watts
• Impedance (Z) 8 Ohms
• Sensitivity (SPL at 1m / 2.83V) 84 dB
• Frequency Response 30 to 3,000 Hz
• Voice Coil Diameter 2"
• DC Resistance (Re) 7.59 ohms
• Voice Coil Inductance (Le) 1.4 mH
• Resonant Frequency (Fs) 32 Hz
• Mechanical Q (Qms) 4.13
• Electromagnetic Q (Qes) 1.82
• Total Q (Qts) 1.26
• Compliance Equivalent Volume (Vas) 3.36 ft.³
• Maximum Linear Excursion (Xmax) 3.5 mm
• Cone / Diaphragm Material Poly
• Magnet Material Ferrite
• Overall Outside Diameter 12"
• Overall Depth 4.6875"
• Baffle Cutout Diameter 11.0625"
• # Mounting Holes 8
• Sealed Volume 2.72 ft.³
• Sealed F3 34 Hz
• Vented Volume 31 ft.³ Vented F3 18 Hz