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

GRSPart # 292-422
Model: 12PR-8
A GRS 12PR-8 12" 8 ohm polypropylene cone woofer is a good, economical way to repair older speaker systems or create 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
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Price: $36.98Part # 290-335
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MSRP: $31.99
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Overview

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.

Product Details

BrandGRS
Model12PR-8
Part Number292-422
UPC844632088544
Unit of MeasureEach
Weight5.55

Product Specifications

Nominal Diameter12"
Power Handling (RMS)100 Watts
Power Handling (MAX)200 Watts
Impedance
Frequency Response30 to 3,000Hz
Sensitivity85dB 2.83V/1m
Voice Coil Diameter2"

Thiele-Small Parameters

Resonant Frequency (Fs)30Hz
DC Resistance (Re)7.2Ω
Voice Coil Inductance (Le)1.4mH
Mechanical Q (Qms)3.18
Electromagnetic Q (Qes)1.58
Total Q (Qts)1.06
Compliance Equivalent Volume (Vas)3.98ft³
Mechanical Compliance of Suspension (Cms)0.29mm/N
BL Product (BL)9.2T·m
Diaphragm Mass Inc. Airload (Mms)100g
Maximum Linear Excursion (Xmax)3.5mm

Materials of Construction

Cone MaterialPoly
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter12"
Baffle Cutout Diameter11.0625"
Depth4.6875"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume2ft³
Sealed F336.4Hz

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