Skip to content
  • DISCOUNTS ON BULK ORDERS...
      • Administrator
      • 09:00 - 17:00
      • +919384833006
      • WhatsApp
    • Brands
    • Forum
    • Newsletter

      Sign up for Newsletter

      Signup for our newsletter to get notified about sales and new products. Add any text here or remove it.

      • DISCOUNTS ON BULK ORDERS...
      diyaudiocartdiyaudiocart
      • Home
      • Contact Us
      • Login
      • Cart / ₹0.00 0
        • No products in the cart.

          Return to shop

      • 0
        Cart

        No products in the cart.

        Return to shop

      Home / Drivers / MidWoofer
      • Wavecor WF132TU01 5-1/4" Paper Cone Neodymium Mid-Woofer 4 Ohm
      • Wavecor WF118WA01 4-1/2" Paper Cone Mid-Woofer 4 Ohm
      Add to wishlist
      Wavecor WF120BD03 4-3/4" Balanced Drive Paper Cone Mid-Woofer 4 Ohm
      Wavecor WF120BD03 4-3/4" Balanced Drive Paper Cone Mid-Woofer 4 Ohm
      Wavecor WF120BD03 4-3/4" Balanced Drive Paper Cone Mid-Woofer 4 Ohm
      Wavecor WF120BD03 4-3/4
      Wavecor WF120BD03 4-3/4
      Wavecor WF120BD03 4-3/4

      Wavecor WF120BD03 4-3/4″ Balanced Drive Paper Cone Mid-Woofer 4Ohm

      ₹8,058.96

      6 in stock

      SKU: WF120BD03 Categories: Drivers, MidWoofer Tags: 4Ohm, Paper Cone, Wavecor, WF120BD03, Woofer Brand: Wavecor

      You may also like…

      • Wavecor PR178WA01 7" alu cone passive radiator Wavecor PR178WA01 7" alu cone passive radiator ₹4,959.00
      • Wavecor SW280WA01 11" low profile, die cast, flat cone subwoofer, 4Ohm Wavecor SW280WA01 11" low profile, die cast, flat cone subwoofer, 4Ohm ₹23,626.00
      • MARK AUDIO ALPAIR 10P FullRange (6"/6Ohm) MARK AUDIO ALPAIR 10P FullRange (6"/6Ohm) ₹9,030.00
      • HiVi M8N 8" Aluminum / Magnesium Wooofer HiVi M8N 8" Aluminum / Magnesium Wooofer 8Ohm ₹5,064.00
      • Dayton Audio - ND105-8 4" Aluminum Cone Midbass Driver 8 Ohm Dayton Audio ND105-8 4" Aluminum Cone Midbass Neo Driver 8 Ohm
        Rated 5 out of 5 based on 2 customer ratings
        ₹3,533.00
      • Wavecor SW182BD04 7" die cast, alu-cone subwoofers, 8ohm Wavecor SW182BD04 7" die cast, alu-cone subwoofers, 8ohm ₹12,743.00
      • Wavecor SW259WA02 10-1/4 die cast, aluminium cone subwoofers, 8ohm Wavecor SW259WA02 10-1/4 die cast, aluminium cone subwoofers, 8ohm ₹21,353.00
      • Dayton Audio - ND105-4 4" Aluminum Cone Midbass Neo Driver 4 Ohm Dayton Audio ND105-4 4" Aluminum Cone Midbass Neo Driver 4 Ohm
        Rated 5 out of 5 based on 1 customer rating
        ₹3,210.00
      Recently Viewed Products
      • SB Acoustics SB26STAC-C000-4 1” Soft Dome Tweeter SB Acoustics SB26STAC-C000-4 1” Soft Dome Tweeter ₹3,239.00
      • Bevenbi -  0.1 Ohm 10W Precision Audio Grade Resistor Bevenbi-20Ohm 10W Precision Audio Grade Resistor ₹30.00
      • Wavecor WF182BD03 7" Balanced Drive Paper Cone Mid-Woofer 4 Ohm Wavecor WF182BD03 7" die cast, paper cone mid/woofers, 4ohm ₹13,294.00
      • Dayton Audio - XO2W-3.5K - 2-Way Speaker Crossover 3,500 Hz Dayton Audio XO2W-3.5K 2-Way Speaker Crossover 3,500 Hz ₹3,743.00
      • Wavecor SW312WA03 12-1/4" Reinforced  Aluminum Cone Subwoofer 4 Ohm Wavecor SW312WA03 12-1/4" Reinforced Aluminum Cone Subwoofer 4Ohm ₹28,600.00
      • Description
      • Additional information
      • Reviews (0)

      Wavecor WF120BD03 4-3/4″ Balanced Drive Paper Cone Mid-Woofer 4Ohm

       

      Quick Overview:

      The Wavecor WF120BD03 is a 4-3/4″ 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 WF120BD03 is an ideal choice for a compact 2-way speaker design as a midwoofer.

       

      Product Highlights:

      • 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 and to minimize variations in voice coil inductance as a function of voice coil position
      • Black coated semi-air-dried paper cone
      • Rigid die cast alu chassis with extensive venting for lower air flow speed reducing audible distortion
      • Large motor for better control and power handling
      • Vented voice coil former for reduced noise level at large cone excursions
      • Heavy-duty black fiber glass voice coil former to reduce mechanical losses resulting in better dynamic performance and low-level details
      • Built-in alu field-stabilizing ring for reduced distortion at high levels
      • Low-loss suspension (high Qm) for better reproduction of details and dynamics
      • Black motor parts for better heat transfer to the surrounding air
      • Conex spider for better durability under extreme conditions
      • Gold  plated  terminals  to  ensure  long-
        term trouble free connection

       

      Product Description:

      Wavecor WF120BD03 is a 4-3/4″ 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 WF120BD03 is an ideal choice for a compact 2-way speaker design as a midwoofer.

      Powered by a large magnet structure, the WF120BD03 is ensured excellent efficiency and optimal T/S parameters. The large 1″ 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 and copper cap stabilizing the magnetic field in the air gap.

       

       Product Specification:

        Parameter

      WF120BD03 /
      WF120BD07

      WF120BD04 /
      WF120BD08

      Unit

      Before burn-in

      After burn-in

      Before burn-in

      After burn-in

      Nominal size

      4 3/4

      43/4

      [inch.]

      Nominal impedance

      4

      8

      [ohm]

      Recommended max. upper frequency limit

      4

      4

      [kHz]

      Sensitivity, 2.83V/1m (average SPL in range 300 – 1,000 Hz)

      88.5

      86

      [dB]

      Power handling, short term, IEC 268-5, no additional filtering

      [N/A]

      [N/A]

      [W]

      Power handling, long term, IEC 268-5, no additional filtering

      [N/A]

      [N/A]

      [W]

      Power handling, continuous, IEC 268-5, no additional filtering

      50

      50

      [W]

      Effective radiating area, Sd

      54

      54

      [sq.cm]

      Resonance frequency (free air, no baffle), Fs

      70

      61.5

      71.5

      63

      [Hz]

      Moving mass, incl. air (free air, no baffle), Mms

      6.55

      6.25

      [g]

      Force factor, Bxl

      4.5

      5.5

      [N/A]

      Suspension compliance, Cms

      0.79

      1.03

      0.79

      1.03

      [mm/N]

      Equivalent air volume, Vas

      3.25

      4.25

      3.25

      4.25

      [lit.]

      Mechanical resistance, Rms

      0.49

      0.42

      0.49

      0.42

      [Ns/m]

      Mechanical Q, Qms

      5.9

      6.0

      5.7

      5.9

      [-]

      Electrical Q, Qes

      0.46

      0.40

      0.56

      0.49

      [-]

      Total Q, Qts

      0.42

      0.37

      0.51

      0.45

      [-]

      Voice coil resistance, RDC

      3.2

      6.0

      [ohm]

      Voice coil inductance, Le (measured at 10 kHz)

      0.086

      0.14

      [mH]

      Voice coil inside diameter

      26

      26

      [mm]

      Voice coil winding height

      12

      12

      [mm]

      Air gap height

      4

      4

      [mm]

      Magnet weight

      430

      430

      [g]

      Total unit net weight excl. packaging

      1.04

      1.04

      [kg]

      Krm

      27

      33

      [mohm]

      Erm

      0.43

      0.44

      [-]

      Kxm

      198

      430

      [mH]

      Exm

      0.17

      0.14

      [-]

       

      Wavecor WF120BD03 DATA SHEET

      Weight1170 g
      Dimensions15 × 13 × 10 cm
      Brand

      Wavecor

      JAN

      85182200

      Speaker Size

      4-3/4"

      Speaker Type

      Mid Woofer

      Impedance

      4Ohm

      Reviews

      There are no reviews yet.

      Only logged in customers who have purchased this product may leave a review.

      Related products

      Dayton Audio - ND20FB-4 - Rear-Mount 3/4" Soft Dome Neodymium TweeterDayton Audio - ND20FB-4 - Rear-Mount 3/4" Soft Dome Neodymium Tweeter
      Add to wishlist
      Quick View

      Tweeter

      Dayton Audio ND20FB-4 Rear-Mount 3/4″ Soft Dome Neodymium Tweeter

      ₹1,920.00
      Dayton Audio - AMTPRO-4 - Air Motion Transformer Tweeter 4 OhmDayton Audio - AMTPRO-4 - Air Motion Transformer Tweeter 4 Ohm
      Add to wishlist
      Quick View

      Tweeter

      Dayton Audio AMTPRO-4 Air Motion Transformer Tweeter 4 Ohm

      ₹23,850.00
      Fountek - FE87 3" Full Range Speaker Driver - PairFountek - FE87 3" Full Range Speaker Driver - Pair
      Add to wishlist
      Quick View

      Full Range

      Fountek FE87 3″ Full Range Speaker Driver 8Ohm – Pair

      ₹2,800.00
      Re-Stocked
      Tang Band W5-1138SMF 5" Paper Cone Subwoofer SpeakerTang Band W5-1138SMF 5" Paper Cone Subwoofer Speaker
      Add to wishlist
      Quick View

      Drivers

      Tang Band W5-1138SMF 51/4″ Paper Cone Subwoofer Speaker

      Rated 5 out of 5
      ₹7,502.00
      Dayton Audio - ND25TA-4 - 1" Titanium Dome Neodymium TweeterDayton Audio - ND25TA-4 - 1" Titanium Dome Neodymium Tweeter
      Add to wishlist
      Quick View

      Tweeter

      Dayton Audio ND25TA-4 1″ Titanium Dome Neodymium Tweeter

      ₹2,542.00
      Dayton Audio - DAEX25 Sound Exciter PairDayton Audio - DAEX25 Sound Exciter Pair
      Add to wishlist
      Quick View

      Drivers

      Dayton Audio DAEX25 Sound Exciter Pair

      ₹2,310.00
      Dayton Audio -  RS100-8 - 4" Reference Full-Range Driver 8 OhmDayton Audio -  RS100-8 - 4" Reference Full-Range Driver 8 Ohm
      Add to wishlist
      Quick View

      Full Range

      Dayton Audio RS100-8 4″ Reference Full-Range Driver 8 Ohm

      Rated 5 out of 5
      ₹5,510.00
      Fountek - FW146 - 5-1/4" Aluminum Midwoofer SpeakerFountek - FW146 - 5-1/4" Aluminum Midwoofer Speaker
      Add to wishlist
      Quick View

      MidWoofer

      Fountek FW146 5-1/4″ Aluminum Midwoofer Speaker 4Ohm

      ₹3,373.00
      Latest
      • Fountek – NeoCD2.0 - Ribbon Tweeter Fountek NeoCD2.0 - Ribbon Tweeter 5" 7Ohm ₹11,385.00
      • DAC - 6-1/2" Poly Cone Midbass Woofer 4Ohm DAC - 6-1/2" Poly Cone Midbass Woofer 4Ohm ₹1,129.00
      • Dayton Audio - EMM-6 Electret Measurement Microphone Dayton Audio EMM-6 Electret Measurement Microphone ₹8,926.00
      • DAC - Overnight Sensations MTM Finished Box DAC - Overnight Sensations MTM Finished Box ₹11,500.00
      Best Selling
      • DAC - M3 x 16mm Cap Head Wood Screw Black DAC - M3x16mm Cap Head Wood Screw Black ₹4.00
      • Bevenbi - 82 nF  100 V Metallized Polyester Film Capacitor Bevenbi-100pF 100V Metallized Polyester Film Capacitor
        Rated 5.00 out of 5
        ₹5.30
      • DAC - Speaker Grill Guide Type -DJ001B DAC - Speaker Grill Guide Type -DJ001B
        Rated 3.67 out of 5
        ₹13.00
      • Heavy Duty Speaker Grill Guides DAC - Heavy Duty Speaker Grill Guides -DJ002B ₹14.00
      Featured
      • DAC – Insulated Pin Terminal - Blue - PTV2-9 DAC–Insulated Pin Terminal - Blue - PTV2-9 ₹4.00
      Top Rated
      • MarkAudio CHN50 (3-inch Full-range driver) - Pair MarkAudio CHN50 (3-inch Full-range driver) - Pair
        Rated 5 out of 5
        ₹3,150.00
      • Bevenbi - MKPA - C- 0.1UF 250V metallized polypropylene film capacitor Bevenbi-MKPA-C-4.7UF 250V metallized polypropylene film capacitor
        Rated 5.00 out of 5
        ₹172.00
      • Special Nuts T-Nuts-6mm
        Rated 5 out of 5
        ₹6.60
      Information
      • About Us
      • Delivery Information
      • Privacy Policy
      • Terms & Conditions
      • Return Policy
      Customer Service
      • Contact Us
      • Product Returns
      My Account
      • My account
      • Order History
      • Addresses
      • Account details
      Visa
      PayPal
      Stripe
      MasterCard
      Cash On Delivery
      • Blog
      Copyright 2025 © DIY Audio Cart
      • Kits
        • Crossover Networks / Filters
          • DAC / DSP / Small Computers
          • Headphone Amplifier
          • Plate Amplifier
          • Power Amplifier
          • Power Supply Modules
          • Audio Source Selector
          • Pre-Amplifiers
        • Soft Start Modules
        • Speaker Protection Circuits
        • Speakers Kits
        • Tone Controls
        • VU Meter Drivers
        • Wireless Modules
        • Misc
      • DIY Speaker
        • Adhesives
        • Allen Bolts
        • Damping Materials
        • Grill Cloth
        • Grill Guides
        • Laminates
        • Port Tubes
        • Sleeves
        • Speaker Wires / Cables
        • Speaker Gasket Tapes
        • Speaker Grill
        • Speaker Terminal
        • Speaker Wall Mounts
        • Spike Sets
        • Wood Screws
      • DIY Amplifier
        • Cabinet Feets / Bushes
        • Connectors / Terminals
        • Fuses
        • Heat Shrink Tubing
        • Heat Sinks
        • Knobs
        • Potentiometers
        • Power Transformers
        • Screws
        • Sleeves
        • Spacers
        • Switches
      • Drivers
        • Car Speakers
        • Ceiling Speakers
        • Full Range
        • Micro Speakers
        • Pro Audio Driver
        • Tweeter
        • Midrange / Midbass
        • Woofer
        • Subwoofer
        • Bass Shaker / Exiter
        • Horn Drivers
        • Passive Radiator
      • Electronics
        • Capacitors
        • Inductors
        • Circuit Protection
        • Cooling Fan
        • Cord Noise Suppressors
        • Digital Timers
        • Diodes
          • L-Pad
            • LED
            • Resistors
            • Vacuum Tubes / Valve
            • VU / dB / Watts Meter
            • Transistor, JFET & MOSFET
            • IC (Integrated Circuits)
            • Relays
        • RFI EMI Filter
        • Headphone Amplifier
        • DAC / DSP / Small Computers
        • Plate Amplifier
        • Power Amplifier
        • Power Supply Modules
      • PCB
        • Passive Crossover Networks
        • Power AMP
        • Power Supply Units
        • Pre AMP
      • Cabinets
        • Pre-Amplifier / DAC
        • Power Amplifier
        • Tube Amplifier
        • Power Supply
      • Finished Products
        • Digital Signal Processors (DSP)
        • FM/AM Antenna
        • Headphones
        • Loudspeakers
      • Tools & Supplies
        • Cleaning Tools
        • Hand Tools
        • Power Tools
        • Soldering & Desoldering
        • Test & Measurement
      • Power AMP
      • Power Supply Units
      • Subwoofer AMP
      • Wireless Devices
      • Reel-to-Reel Recording Tapes
      • Login
      • Newsletter

      Login

      Lost your password?

      Register

      A link to set a new password will be sent to your email address.

      Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.