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HiVi D5.4-II 5" Poly Cone Neodymium Woofer 4 Ohm

HiVi
Part #297-472

HiVi D5.4-II 5" Poly Cone Neodymium Woofer 4 Ohm

HiVi
Part #297-472  
Model: D5.4-II
The Hi-Vi D5.4-II packs ten pounds of engineering into a one-pound package. This 5" woofer can stand alone in a small 2-way, or be used as a dedicated midrange in a large 3-way speaker.
Key Features
  • One-piece polypropylene cone and dustcap
  • 2" diameter aluminum voice coil and former
  • Internal magnet motor system uses hi-performance NdFeB magnets
  • High-strength cast aluminum frame
Your Price: $55.99
MSRP: $119.99
Save $64.00 (53%)
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Estimated back in stock 2/7/2025
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Overview

HiVi D5.4-II 5" Poly Cone Neodymium Woofer 4 Ohm

The Hi-Vi D5.4-II is a very handsome and very versatile mid-woofer. The D5.4-II utilizes a one-piece polypropylene cone and dust cap, attached to a smooth-transition natural rubber surround. This combination makes for a very extended and smooth frequency response to beyond 5kHz with virtually no cone break up issues. The internal motor system using NdFeB magnets and 52mm diameter aluminum voice coil former and wire reduces moving mass while increasing power handling. The cast aluminum frame and oversize spider round things out, making this a very attractive and durable mid-woofer with loads of clean, linear displacement capability.

Product Details

BrandHiVi
ModelD5.4-II
Part Number297-472
UPC848864070568
Unit of MeasureEach
Weight2.5

Product Specifications

Nominal Diameter5"
Bolt Circle Diameter5.31
Power Handling (RMS)40 Watts
Power Handling (MAX)80 Watts
Impedance
Frequency Response60-5,200Hz
Sensitivity87dB 2.83V/1m
Voice Coil Diameter2"

Thiele-Small Parameters

Resonant Frequency (Fs)60Hz
DC Resistance (Re)3.6Ω
Mechanical Q (Qms)2.86
Electromagnetic Q (Qes)0.5
Total Q (Qts)0.42
Compliance Equivalent Volume (Vas)0.205ft³
BL Product (BL)5.78T·m
Diaphragm Mass Inc. Airload (Mms)12.5g
Maximum Linear Excursion (Xmax)3.5mm
Surface Area of Cone (Sd)77.52cm²

Materials of Construction

Cone MaterialPoly
Surround MaterialRubber
Voice Coil Wire MaterialAluminum
Voice Coil FormerAluminum
Basket / Frame MaterialCast Aluminum
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter5.75"
Baffle Cutout Diameter4.87"
Depth2.36"
# Mounting Holes6

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.085ft³
Sealed F3111Hz
Vented Volume0.3ft³
Vented F352.2Hz

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