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Wavecor WF120BD05 4-3/4" Balanced Drive Paper/Glass Fiber Cone Mid-Woofer 4 Ohm

Wavecor
Part #298-1148

Wavecor WF120BD05 4-3/4" Balanced Drive Paper/Glass Fiber Cone Mid-Woofer 4 Ohm

Wavecor
Part #298-1148  
Model: WF120BD05
The Wavecor WF120BD06 is a 4-3/4" fiberglass and 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 WF120BD06 is an ideal choice for a compact 2-way speaker design as a midwoofer.
Key Features
  • Balanced Drive motor structure for optimal drive force symmetry resulting in largely reduced even order harmonic distortion
  • Copper cap on center pole to reduce voice coil inductance
  • Low-loss suspension (high Qm) for better reproduction of details and dynamics
  • Rigid die cast aluminum chassis with extensive venting for lower air flow speed reducing audible distortion
  • Vented voice coil former for reduced distortion and compression
  • Vented center pole with dual flares for reduced noise level at large cone excursions
  • Progressive suspension with specially designed conex spider for long durability under extreme operating conditions
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Overview

Wavecor WF120BD05 4-3/4" Balanced Drive Paper/Glass Fiber Cone Mid-Woofer 4 Ohm

The Wavecor WF120BD05 is a 4-3/4" fiberglass and 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 WF120BD05 is an ideal choice for a compact 2-way speaker design as a midwoofer.

Powered by a large magnet structure, the WF120BD05 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 paper and fiberglass mix offers improved consistency and stability. Distortion is reduced by the efficient venting and an aluminum shorting ring and copper cap stabilizing the magnetic field in the air gap.

Product Details

BrandWavecor
ModelWF120BD05
Part Number298-1148
UPC848864054759
Unit of MeasureEach
Weight2.4

Product Specifications

Nominal Diameter5"
Power Handling (RMS)60 Watts
Power Handling (MAX)150 Watts
Impedance
Frequency Response60 to 3,500Hz
Sensitivity87dB 2.83V/1m
Voice Coil Diameter1.26"

Thiele-Small Parameters

Resonant Frequency (Fs)48Hz
DC Resistance (Re)3.2Ω
Voice Coil Inductance (Le)0.087mH
Mechanical Q (Qms)7.4
Electromagnetic Q (Qes)0.42
Total Q (Qts)0.4
Compliance Equivalent Volume (Vas)0.22ft³
Mechanical Compliance of Suspension (Cms)1.5mm/N
BL Product (BL)4.1T·m
Diaphragm Mass Inc. Airload (Mms)7.3g
Maximum Linear Excursion (Xmax)4mm
Surface Area of Cone (Sd)54cm²

Materials of Construction

Cone MaterialPaper / Glass Fiber
Voice Coil Wire MaterialCopper
Voice Coil FormerFiberglass
Basket / Frame MaterialCast Aluminum

Mounting Information

Overall Outside Diameter4.72"
Baffle Cutout Diameter3.94"
Depth2.64"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.08ft³
Sealed F395.1Hz
Vented Volume0.18ft³
Vented F351.1Hz

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