GRS 15PF-8 15" Paper Cone Foam Surround Woofer

The GRS 15PR-8 speaker is the best choice you can make if you need to replace a worn out, blown 15" woofer.

Resonant frequency fS 29 Hz

Electrical Q QES 1.92

Mechanical Q QMS 5.09

Total Q factor QTS 1.39

Suspension equivalent air volume VAS 265.9 litres

DC resistance RE 7.21 Ω

Voice coil inductance LE 1.14 mH

Maximum linear excursion Xmax ± 4 mm

Efficiency η₀ 0.33 %

Efficiency bandwidth product EBP 15

Overall diameter 384.2 mm

Baffle hole diameter 355.6 mm

Mounting depth 138.2 mm

Diaphragm material Treated Paper

Voice coil diameter 38.1 mm

Magnet Ferrite

Highlights

Perfect for use in sealed-box home theater and music systems
Poly-laminated paper cone, treated foam surround, and polymer dust cap
Smooth frequency response with minimal cone breakup
 

Product Details

GRS 15PF-8 15" Paper Cone Foam Surround Woofer

The GRS 15PR-8 speaker is the best choice you can make if you need to replace a worn out, blown 15" woofer. Thanks to its carefully optimized parameters, the GRS 15PF-8 15" poly-laminated paper cone woofer provides a high degree of compatibility when used as a replacement speaker—it also delivers excellent performance in your new projects, too.

Specifications for: 15PF-8 15" Paper Cone Foam Surround Woofer

• Woofer SeriesReplacement woofer
• Woofer TypeMidwoofer
• Nominal Diameter15"
• Power Handling (RMS)150 Watts
• Power Handling (max)300 Watts
• Continuous Program Power
• Impedance8 ohms
• Sensitivity87 dB 1W/1m
• Frequency Response25 to 4,000 Hz
• Voice Coil Diameter1.5"
• Magnet Weight
• DC Resistance (Re)7.21 ohms
• Voice Coil Inductance (Le)1.14 mH
• Resonant Frequency (Fs)29 Hz
• Mechanical Q (Qms)5.09
• Electromagnetic Q (Qes)1.92
• Total Q (Qts)1.39
• 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)9.39 ft.³
• Maximum Linear Excursion (Xmax)4 mm
• Driver's Mechanical Losses (Rms)
• Cone / Diaphragm MaterialTreated Paper
• Surround Material
• Voice Coil Wire Material
• Voice Coil Former
• Dual Voice Coil
• Basket / Frame Material
• Magnet MaterialFerrite
• Shielded
• Overall Outside Diameter15.125"
• Overall Depth5.44"
• Baffle Cutout Diameter14"
• Bolt Circle Diameter
• # Mounting Holes8
• Mounting Hole Diameter
• Sealed Volume5.64 ft.³
• Sealed F329 Hz
• Vented Volume110 ft.³
• Vented F320.88 Hz