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

GRS
Part #292-436

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

GRS
Part #292-436  
Model: 3FR-4
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.
Key Features
  • 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
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Your Price: $5.69
MSRP: $7.99
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Overview

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.

Product Details

BrandGRS
Model3FR-4
Part Number292-436
UPC848864015194
Unit of MeasureEach
Weight0.7

Product Specifications

Nominal Diameter3"
Power Handling (RMS)10 Watts
Power Handling (MAX)20 Watts
Impedance4Ω
Frequency Response100 to 16,000Hz
Sensitivity88dB 2.83V/1m
Voice Coil Diameter0.75"

Thiele-Small Parameters

Resonant Frequency (Fs)145Hz
DC Resistance (Re)3.5Ω
Voice Coil Inductance (Le)0.4mH
Mechanical Q (Qms)4.76
Electromagnetic Q (Qes)1.03
Total Q (Qts)0.85
Compliance Equivalent Volume (Vas)0.02ft³
Mechanical Compliance of Suspension (Cms)0.4mm/N
BL Product (BL)3T·m
Diaphragm Mass Inc. Airload (Mms)3g
Maximum Linear Excursion (Xmax)2mm
Surface Area of Cone (Sd)31.2cm²

Materials of Construction

Cone MaterialPaper
Surround MaterialFoam
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter3.75"
Baffle Cutout Diameter2.82"
Depth1.69"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.06ft³
Sealed F3135.1Hz
Vented Volume0.06ft³
Vented F3101.6Hz

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