Thanks to their carefully optimized parameters, GRS 4PF-8 4" poly-laminated paper cone woofers offer a high degree of compatibility when used as replacement speakers.
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 4PF-8 4" Paper Cone Foam Surround Woofer
Thanks to their carefully optimized parameters, GRS 4PF-8 4" poly-laminated paper cone woofers offer a high degree of compatibility when used as replacement speakers—they also provide excellent performance in new projects, too.
Article number4PF-8
EAN0844632088445
Woofer TypeMidwoofer
Nominal Diameter4"
Power Handling (RMS)40 Watts
Power Handling (max)70 Watts
Impedance (Z)8 ohms
Sensitivity (SPL at 1m / 2.83V)84 dB
Frequency Response100 to 10,000 Hz
Voice Coil Diameter1"
DC Resistance (Re)7.49 ohms
Resonant Frequency (Fs)98 Hz
Total Q (Qts)1.94
Maximum Linear Excursion (Xmax)4.5 mm