A GRS 12PR-8 12" 8 ohm polypropylene cone woofer is a good, economical way to repair older speaker systems or create new projects.
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
A GRS 12PR-8 12" 8 ohm polypropylene cone woofer is a good, economical way to repair older speaker systems or create new projects.
Article number12PR-8
EAN0844632088544
Woofer TypeMidwoofer
Nominal Diameter12"
Power Handling (RMS)100 Watts
Power Handling (max)140 Watts
Impedance (Z)8 Ohms
Sensitivity (SPL at 1m / 2.83V)84 dB
Frequency Response30 to 3,000 Hz
Voice Coil Diameter2"
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 MaterialPoly
Magnet MaterialFerrite
Overall Outside Diameter12"
Overall Depth4.6875"
Baffle Cutout Diameter11.0625"
# Mounting Holes8
Sealed Volume2.72 ft.³
Sealed F334 Hz
Vented Volume31 ft.³
Vented F318 Hz
