GRS 6PR-8 6" Paper Cone Foam Surround Woofer

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.

Highlights

Resonant frequency fS 75 Hz

Electrical Q QES 1.34

Mechanical Q QMS 4.32

Total Q factor QTS 1.02

Suspension equivalent air volume VAS 6.8 litres

DC resistance RE 7.55 Ω

Voice coil inductance LE 1.11 mH

Maximum linear excursion Xmax ± 3 mm

Efficiency η₀ 0.21 %

Efficiency bandwidth product EBP 55

Overall diameter 165.1 mm

Baffle hole diameter 142.9 mm

Mounting depth 77.8 mm

Diaphragm material Polypropylene

Surround material Rubber

Voice coil diameter 38.1 mm

Magnet Ferrite

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 6PR-8 6-1/2" Poly Cone Rubber Surround Woofer

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.

Specifications for: 6PR-8 6-1/2" Poly Cone Rubber Surround Woofer

• Woofer SeriesReplacement woofer
• Woofer TypeMidwoofer
• Nominal Diameter6-1/2"
• Power Handling (RMS)60 Watts
• Power Handling (max)85 Watts
• Continuous Program Power
• Impedance8 ohms
• Sensitivity85 dB 1W/1m
• Frequency Response60 to 8,000 Hz
• Voice Coil Diameter1.5"
• Magnet Weight
• DC Resistance (Re)7.55 ohms
• Voice Coil Inductance (Le)1.11 mH
• Resonant Frequency (Fs)75 Hz
• Mechanical Q (Qms)4.32
• Electromagnetic Q (Qes)1.34
• Total Q (Qts)1.02
• Diaphragm Mass Inc. Airload (Mms)
• Moving Mass Of Diaphragm (Mmd)
• Mechanical Compliance of Suspension (Cms)
• Surface Area of Cone (Sd)
• Volume of Displacement (Vd)
• BL Product (BL)
• Compliance Equivalent Volume (Vas)0.24 ft.³
• Maximum Linear Excursion (Xmax)3 mm
• Driver's Mechanical Losses (Rms)
• Cone / Diaphragm MaterialPoly
• Surround MaterialRubber
• Voice Coil Wire Material
• Voice Coil Former
• Dual Voice Coil
• Basket / Frame Material
• Magnet MaterialFerrite
• Shielded
• Overall Outside Diameter6.5"
• Overall Depth3.0625"
• Baffle Cutout Diameter5.625"
• Bolt Circle Diameter
• # Mounting Holes4
• Mounting Hole Diameter
• Sealed Volume0.29 ft.³
• Sealed F378 Hz
• Vented Volume1.48 ft.³
• Vented F343 Hz