GRS 8PR-8 8″ Poly Cone Rubber Surround Woofer
Overview:
The GRS 8PR-8 8″ woofer features a polypropylene cone and a rubber surround to produce smooth response with outstanding damping. Thanks to its carefully optimized parameters, this driver is ideal for use in sealed-box speaker applications giving it a high degree of compatibility when used as a replacement speaker—it provides excellent performance in new designs, as well.
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
Product Details:
Brand | GRS |
Model | 8PR-8 |
Unit of Measure | Each |
Weight | 3 |
Product Specification:
Nominal Diameter | 8″ |
Power Handling (RMS) | 65 Watts |
Power Handling (MAX) | 130 Watts |
Impedance | 8Ω |
Frequency Response | 40 to 5,000Hz |
Sensitivity | 87dB 2.83V/1m |
Voice Coil Diameter | 1.5″ |
Thiele Small Parameters:
Resonant Frequency (Fs) | 52Hz |
DC Resistance (Re) | 7.4Ω |
Voice Coil Inductance (Le) | 1.1mH |
Mechanical Q (Qms) | 4.08 |
Electromagnetic Q (Qes) | 1.28 |
Total Q (Qts) | 0.97 |
Compliance Equivalent Volume (Vas) | 0.79ft³ |
Mechanical Compliance of Suspension (Cms) | 0.36mm/N |
BL Product (BL) | 6.9T·m |
Diaphragm Mass Inc. Airload (Mms) | 23.42g |
Maximum Linear Excursion (Xmax) | 3mm |
Materials of Construction:
Cone Material | Poly |
Surround Material | Rubber |
Magnet Material | Ferrite |
Mounting Information:
Overall Outside Diameter | 8″ |
Baffle Cutout Diameter | 7.32″ |
Depth | 3.44″ |
# Mounting Holes | 4 |
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