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

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.

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Product highlights:

• Replacement for Pioneer B20FU20-51FW
• GRS quality construction
• 1 year warranty
• Superb multipurpose speaker for DIY projects

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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)

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Technical Specifications:

• Article number 8FR-8
• Woofer Series Replacement woofer
• Woofer Type Full-range
• Nominal Diameter 8"
• Power Handling (RMS) 60 Watts
• Power Handling (max) 85 Watts
• Impedance (Z) 8 ohms
• Sensitivity (SPL at 1m / 2.83V) 91 dB
• Frequency Response 39 to 16,000 Hz
• Voice Coil Diameter 1.5"
• 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 Material Paper
• Magnet Material Ferrite
• Overall Outside Diameter 8"
• Overall Depth 3.875"
• Baffle Cutout Diameter 7.25"
• # Mounting Holes 4
• Sealed Volume 0.71 ft.³
• Sealed F3 78 Hz
• Vented Volume 1.76 ft.³Vented F3 43 Hz