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Wavecor WF118WA07 4-1/2" Balanced Drive Paper Cone Mid-Woofer with Truncated Frame 4 Ohm

Wavecor
Part #298-1140

Wavecor WF118WA07 4-1/2" Balanced Drive Paper Cone Mid-Woofer with Truncated Frame 4 Ohm

Wavecor
Part #298-1140  
Model: WF118WA07
The Wavecor WF118WA07 is a 4-1/2" truncated frame paper cone midwoofer that is designed for demanding bass and midrange applications. This driver utilizes balanced drive technology for reduced distortion. It works equally well for high-end hi-fi, high quality home theater systems, and multimedia projects. The WF118WA07 is an ideal choice for a compact 2-way speaker design as a midwoofer.
Key Features
  • Vented voice coil former for reduced distortion and compression
  • Vented chassis for lower air flow speed reducing audible distortion
  • Balanced Drive motor with perfect force factor symmetry for reduced distortion
  • Large motor system with 1-1/4” voice coil diameter and 80mm magnet for better control and efficiency
  • Progressive suspension with specially designed conex spider for long durability under extreme operating conditions
  • FEA optimized suspension for perfect symmetry, reducing even order harmonic distortion
  • Long linear stroke motor for reduced distortion at high levels
Your Price: $63.00
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Estimated back in stock 12/13/2024
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Overview

Wavecor WF118WA07 4-1/2" Balanced Drive Paper Cone Mid-Woofer with Truncated Frame 4 Ohm

The Wavecor WF118WA07 is a 4-1/2" truncated frame paper cone midwoofer that is designed for demanding bass and midrange applications. This driver utilizes balanced drive technology for reduced distortion. It works equally well for high-end hi-fi, high quality home theater systems, and multimedia projects. The WF118WA07 is an ideal choice for a compact 2-way speaker design as a midwoofer.

Powered by a large 80 mm magnet structure, the WF118WA07 is ensured excellent efficiency and optimal T/S parameters. The large 1-1/4" voice coil allows excellent high-power handling, both thermally and mechanically. The optimized paper cone ensures large bandwidth and low distortion. Distortion is further reduced by the efficient venting and an aluminum shorting ring stabilizing the magnetic field in the air gap.

Product Details

BrandWavecor
ModelWF118WA07
Part Number298-1140
UPC848864054711
Unit of MeasureEach
Weight1.95

Product Specifications

Nominal Diameter4-1/2"
Power Handling (RMS)40 Watts
Power Handling (MAX)80 Watts
Impedance
Frequency Response150 to 7,500Hz
Sensitivity87dB 2.83V/1m
Voice Coil Diameter1.02"

Thiele-Small Parameters

Resonant Frequency (Fs)56Hz
DC Resistance (Re)3.2Ω
Voice Coil Inductance (Le)0.22mH
Mechanical Q (Qms)7.8
Electromagnetic Q (Qes)0.38
Total Q (Qts)0.36
Compliance Equivalent Volume (Vas)0.17ft³
Mechanical Compliance of Suspension (Cms)1.18mm/N
BL Product (BL)4.5T·m
Diaphragm Mass Inc. Airload (Mms)6.9g
Maximum Linear Excursion (Xmax)4mm
Surface Area of Cone (Sd)54cm²

Materials of Construction

Cone MaterialPaper
Voice Coil Wire MaterialAluminum
Voice Coil FormerFiberglass
Basket / Frame MaterialCast Aluminum

Mounting Information

Overall Outside Diameter4.13"
Baffle Cutout Diameter3.62"
Depth2.28"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.06ft³
Sealed F3123.4Hz
Vented Volume0.12ft³
Vented F365Hz

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