GRS 3FR-4 Full-Range 3″ Speaker Driver 4 Ohm

The GRS 3FR-4 3″ driver makes a great economical replacement full-range speaker for devices like multimedia speakers, table radios, and home theater soundbar systems. It’s also an excellent choice for new designs. 4 ohm impedance.

Impedance (Z)
4 ohms
Power Handling (RMS)
10 Watts
Power Handling (max)
20 Watts

€8.95

51 in stock

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SKU: 3FR-4 Categories: , ,
Description

Highlights

  • Coated paper cone with foam surround for clear sound
  • Pincushion-shape frame with front gasket
  • Economical ferrite magnet assembly
  • Quality GRS construction and 1-year warranty

 

Product Details                     

GRS 3FR-4 Full-Range 3″ Speaker Driver 4 Ohm

 

Why pay more? The GRS 3FR-4 is a great replacement driver for the widely-used, 3″-size full range drivers found commonly in home theater systems, table radios, “sound bars”, and multimedia speaker systems, among many other uses. It’s also useful as a replacement for 3″ woofers.

 

A sturdy stamped steel frame with “pincushion”-shaped mounting flange supports a robust ferrite ceramic magnet, and the coated paper cone with foam surround delivers clear sound that you might not expect from a driver this affordable.

Specifications

Article number3FR-4
EAN0848864015194
Woofer TypeMidrange / Midbass Drivers
Nominal Diameter3"
Power Handling (RMS)10 Watts
Power Handling (max)20 Watts
Impedance (Z)4 ohms
Sensitivity (SPL at 1m / 2.83V)84 dB
Frequency Response135 to 16,000 Hz
Voice Coil Diameter0.75"
DC Resistance (Re)4.00 ohms
Voice Coil Inductance (Le)0.39 mH
Resonant Frequency (Fs)135 Hz
Mechanical Q (Qms)4.11
Electromagnetic Q (Qes)1.11
Total Q (Qts)0.88
Compliance Equivalent Volume (Vas)0.03 ft.³
Maximum Linear Excursion (Xmax)2 mm
Cone / Diaphragm MaterialPaper
Surround MaterialFoam
Basket / Frame MaterialSteel
Magnet MaterialFerrite
Overall Outside Diameter3.75"
Overall Depth1.69"
Baffle Cutout Diameter2.82"
# Mounting Holes4
Sealed Volume0.08 ft.³
Sealed F3131 Hz
Vented Volume0.15 ft.³
Vented F378 Hz
Article number3FR-4
EAN0848864015194
Additional information
Woofer TypeMidrange / Midbass Drivers
Nominal Diameter3″
Power Handling (RMS)10 Watts
Power Handling (max)20 Watts
Impedance (Z)4 ohms
Sensitivity (SPL at 1m / 2.83V)84 dB
Frequency response135 to 16,000 Hz
Voice Coil Diameter0.75″
DC Resistance (Re)4.00 ohms
Voice Coil Inductance (Le)0.39 mH
Resonant Frequency (Fs)135 Hz
Mechanical Q (Qms)4.11
Electromagnetic Q (Qes)1.11
Total Q (Qts)0.88
Compliance Equivalent Volume (Vas)0.03 ft.³
Maximum Linear Excursion (Xmax)2 mm
Cone / Diaphragm MaterialPaper
Surround MaterialFoam
Basket / Frame MaterialSteel
Magnet MaterialFerrite
Overall Outside Diameter3.75″
Overall Depth1.69″
Baffle Cutout Diameter2.82″
# Mounting Holes4
Sealed Volume0.08 ft.³
Sealed F3131 Hz
Vented Volume0.15 ft.³
Vented F378 Hz
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