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
Brand | GRS |
Model | 6PR-8 |
Part Number | 292-426 |
UPC | 844632088513 |
Unit of Measure | Each |
Weight | 2.85 |
Product Specifications | |
Nominal Diameter | 6-1/2" |
Power Handling (RMS) | 60 Watts |
Power Handling (MAX) | 120 Watts |
Impedance | 8Ω |
Frequency Response | 60 to 8,000Hz |
Sensitivity | 87dB 2.83V/1m |
Voice Coil Diameter | 1.5" |
Thiele-Small Parameters | |
Resonant Frequency (Fs) | 69Hz |
DC Resistance (Re) | 7.1Ω |
Voice Coil Inductance (Le) | 1.1mH |
Mechanical Q (Qms) | 3.51 |
Electromagnetic Q (Qes) | 1.16 |
Total Q (Qts) | 0.87 |
Compliance Equivalent Volume (Vas) | 0.37ft³ |
Mechanical Compliance of Suspension (Cms) | 0.38mm/N |
BL Product (BL) | 6.1T·m |
Diaphragm Mass Inc. Airload (Mms) | 14.2g |
Maximum Linear Excursion (Xmax) | 3mm |
Surface Area of Cone (Sd) | 140cm² |
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 |
Recommended Enclosure Volume | |
Sealed Volume | 0.5ft³ |
Sealed F3 | 70.5Hz |
Vented Volume | 0.5ft³ |
Vented F3 | 54.6Hz |