Description
GRS 6PR-8 6-1/2" polypropylene cone woofers with butyl rubber surrounds are great replacement speakers, but also provide excellent performance in 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
Product Specifications
Nominal Diameter 6-1/2"
Power Handling (RMS) 60 Watts
Power Handling (MAX) 85 Watts
Impedance 8Ω
Frequency Response 60 to 8,000Hz
Sensitivity 85dB 2.83V/1m
Voice Coil Diameter 1.5"
Thiele-Small Parameters
Resonant Frequency (Fs) 75Hz
DC Resistance (Re) 7.55Ω
Voice Coil Inductance (Le) 1.11mH
Mechanical Q (Qms) 4.32
Electromagnetic Q (Qes) 1.34
Total Q (Qts) 1.02
Compliance Equivalent Volume (Vas) 0.24ft³
Maximum Linear Excursion (Xmax) 3mm
Materials of Construction
Cone Material Poly
Surround Material Rubber
Magnet Material Ferrite
Mounting Information
Overall Outside Diameter 6.5"
Baffle Cutout Diameter 5.625"
Depth 3.0625"
# Mounting Holes 4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
Sealed Volume 0.29ft³
Sealed F3 78Hz
Vented Volume 1.48ft³
Vented F3 43Hz
