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
Product Details
GRS 12PR-8 12" Poly Cone Rubber Surround Woofer
Product Specifications
Nominal Diameter 12"
Power Handling (RMS) 100 Watts
Power Handling (max) 140 Watts
Impedance 8 ohms
Frequency Response 30 to 3,000 Hz
Sensitivity 84 dB 1W/1m
Voice Coil Diameter 2"
Thiele-Small Parameters
Resonant Frequency (Fs) 32 Hz
DC Resistance (Re) 7.59 ohms
Voice Coil Inductance (Le) 1.4 mH
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
Materials of Construction
Cone Material Poly
Magnet Material Ferrite
Mounting Information
Overall Outside Diameter 12"
Baffle Cutout Diameter 11.0625"
Depth 4.6875"
# Mounting Holes 8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
Sealed Volume 2.72 ft.³
Sealed F3 34 Hz
Vented Volume 31 ft.³
Vented F3 18 Hz