GRS 8FR-8 Full-Range 8" Speaker Pioneer Type B20FU20-51FW

GRS - Great Replacement Speakers

Resonant frequency fS 39 Hz

Electrical Q QES 0.46

Mechanical Q QMS 2.94

Total Q factor QTS 0.40

Suspension equivalent air volume VAS 64 litres

DC resistance RE 7.02 Ω

Voice coil inductance LE 1.28 mH

Maximum linear excursion Xmax ± 3 mm

Efficiency η₀ 0.81 %

Efficiency bandwidth product EBP 84

Overall diameter 203.2 mm

Baffle hole diameter 184.1 mm

Mounting depth 98.4 mm

Diaphragm material Paper

Voice coil diameter 38.1 mm

Magnet Ferrite 

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)