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GRS 4FR-8 Full-Range 4-1/2" Speaker Pioneer Type A11EC80-02F

GRSPart # 292-434
Model: 4FR-8
The GRS 4FR-8 is perfect for compact designs that require wide-bandwidth, high-sensitivity performance at an economical price. It’s also a drop-in replacement for other popular 4-1/2" full-range drivers.

Key Features

  • Replacement for Pioneer A11EC80-02F
  • Extended bandwidth and high sensitivity
  • Natural-sounding paper cone
  • Quality GRS construction
Your Price: $13.98
MSRP: $18.99
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Overview

GRS 4FR-8 Full-Range 4-1/2" Speaker Pioneer Type A11EC80-02F

GRS 4FR-8 full-range 4-1/2" speaker features a well-damped paper cone and long-lasting treated fabric surround. Its design parameters have been carefully chosen to suit a wide variety of enclosures for hi-fi or commercial use, and it's great for use as a full-range driver or as a high-sensitivity midwoofer.

The large ceramic motor structure and lightweight Kapton voice coil former ensure crisp, highly-dynamic reproduction. This driver is a perfect drop-in replacement for the classic Pioneer model A11EC80-02F full-range driver, or other popular 4-1/2" full-range drivers.

Product Details

BrandGRS
Model4FR-8
Part Number292-434
UPC844632091391
Unit of MeasureEach
Weight2.15

Product Specifications

Nominal Diameter4-1/2"
Bolt Circle Diameter4.72
Power Handling (RMS)15 Watts
Power Handling (MAX)30 Watts
Impedance8Ω
Frequency Response100 to 10,000Hz
Sensitivity89dB 2.83V/1m
Voice Coil Diameter1"

Thiele-Small Parameters

Resonant Frequency (Fs)127Hz
DC Resistance (Re)6.9Ω
Voice Coil Inductance (Le)0.7mH
Mechanical Q (Qms)6.71
Electromagnetic Q (Qes)0.78
Total Q (Qts)0.7
Compliance Equivalent Volume (Vas)0.06ft³
Mechanical Compliance of Suspension (Cms)0.27mm/N
BL Product (BL)6.4T·m
Diaphragm Mass Inc. Airload (Mms)5.8g
Maximum Linear Excursion (Xmax)1mm
Surface Area of Cone (Sd)66.1cm²

Materials of Construction

Cone MaterialPaper
Surround MaterialCloth
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter4.5"
Baffle Cutout Diameter4.01"
Depth2.71"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.2ft³
Sealed F3104.5Hz
Vented Volume0.2ft³
Vented F377.1Hz

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