GRS 4PF-8 4" Paper Cone Foam Surround Woofer
- Stock: In Stock
- Brand: GRS - Great Replacement Speakers
- Model: 4PF-8
- Weight: 2.00 Kg
10.00€
Ex Tax: 8.20€
2 or more 9.50€
Official Italy Guarantee
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
Resonant frequency fS 98 Hz
Electrical Q QES 1.90
Mechanical Q QMS 4.55
Total Q factor QTS 1.34
Suspension equivalent air volume VAS 3.4 litres
DC resistance RE 7.49 Ω
Voice coil inductance LE 0.88 mH
Maximum linear excursion Xmax ± 2.5 mm
Efficiency η₀ 0.16 %
Efficiency bandwidth product EBP 51
Overall diameter 104.8 mm
Baffle hole diameter 95.3 mm
Mounting depth 54 mm
Diaphragm material Treated Paper
Voice coil diameter 25.4 mm
Magnet Ferrite
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.