The GRS 8FR-8 full-range 8" speaker is engineered to withstand rigorous commercial use, but will also deliver great results when used in point-source hi-fi applications.
Highlights
- Replacement for Pioneer B20FU20-51FW
- GRS quality construction
- 1 year warranty
- Superb multipurpose speaker for DIY projects
Product details
GRS 8FR-8 Full-Range 8" Speaker Pioneer Type B20FU20-51FW
The GRS 8FR-8 full-range 8" speaker features a paper cone with poly foam surround. A whizzer cone extends high frequency response and dispersion. Engineered to withstand rigorous commercial use, this driver will also deliver great results when used in point-source hi-fi applications. Affordable pricing makes it perfect for DIY applications. Ideal replacement for the Pioneer B20FU20-51FW (also known in DIY communities as the BOFU)
Article number8FR-8
EAN0844632089800
Woofer TypeFull-range
Nominal Diameter8"
Power Handling (RMS)60 Watts
Power Handling (max)85 Watts
Impedance (Z)8 ohms
Sensitivity (SPL at 1m / 2.83V)91 dB
Frequency Response39 to 16,000 Hz
Voice Coil Diameter1.5"
DC Resistance (Re)7.02 ohms
Voice Coil Inductance (Le)1.28 mH
Resonant Frequency (Fs)39 Hz
Mechanical Q (Qms)2.94
Electromagnetic Q (Qes)0.46
Total Q (Qts)0.4
Compliance Equivalent Volume (Vas)2.26 ft.³
Maximum Linear Excursion (Xmax)3 mm
Cone / Diaphragm MaterialPaper
Magnet MaterialFerrite
Overall Outside Diameter8"
Overall Depth3.875"
Baffle Cutout Diameter7.25"
# Mounting Holes4
Sealed Volume0.71 ft.³
Sealed F378 Hz
Vented Volume1.76 ft.³
Vented F343 Hz