8" Paper Cone Foam Surround Woofer

The 8PF-8 makes a great replacement woofer for many vintage speaker systems, and is just as easy to use in your own new speaker building projects. Its performance characteristics are optimized for use in acoustic suspension designs.

Product Details

If you are looking for a low-cost, high-performance 8" replacement speaker, check out the 8PF-8! Thanks to their carefully optimized parameters, the 8PF-8 8" 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.

Quick Facts

  • 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 Specifications

Nominal Diameter8"
Power Handling (RMS)100 Watts
Power Handling (max)200 Watts
Impedance8 ohms
Frequency Response55 to 6,000 Hz
Sensitivity87 dB 1W/1m
Voice Coil Diameter1.5"

Thiele-Small Parameters

Resonant Frequency (Fs)51 Hz
DC Resistance (Re)7.59 ohms
Voice Coil Inductance (Le)1.11 mH
Mechanical Q (Qms)4.58
Electromagnetic Q (Qes)1.17
Total Q (Qts)0.93
Compliance Equivalent Volume (Vas)0.95 ft.³
Maximum Linear Excursion (Xmax)3 mm

Materials of Construction

Cone MaterialPaper
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter8"
Baffle Cutout Diameter7.32"
# Mounting Holes4

Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)

Sealed Volume1.3 ft.³
Sealed F354 Hz
Vented Volume4.91 ft.³
Vented F330 Hz