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      Home / Drivers / Midrange / Midbass
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      Wavecor MR120BD01 4-3/4" die cast, Kevlar/Carbon fibre cone midranges 4Ohm
      Wavecor MR120BD01 4-3/4" die cast, Kevlar/Carbon fibre cone midranges 4Ohm - Image 2
      Wavecor MR120BD01 4-3/4" die cast, Kevlar/Carbon fibre cone midranges 4Ohm - Image 3

      Wavecor MR120BD01 4-3/4″ die cast, Kevlar/Carbon fibre cone midranges 4Ohm

      ₹8,265.00

      18 in stock

      SKU: MR120BD01 Categories: Drivers, Midrange / Midbass Tags: 4Ohm, Kevlar/Carbon, midranges, MR120BD01, Wavecor Brand: Wavecor

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      • Description
      • Additional information
      • Reviews (0)

      Wavecor MR120BD01 4-3/4″ die cast, Kevlar/Carbon fibre cone midranges 4Ohm

       

      Overview:

      The 4.75” transducers MR120BD01 (round, 4 ohm) was designed as high performance midrange units for high quality multi-way speakers.

       

      Features:

      • New cone of interwoven Kevlar/Carbon fibers, a new reference for the combination of low mass, rigidness, and damping – highly beneficial properties for midrange reproduction
      • Balanced Drive motor structure for optimal drive force symmetry resulting in largely reduced even order harmonic distortion
      • Vented, inverted center dome for reduced compression
      • 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
      • Rigid die cast alu chassis with extensive venting for lower air flow speed reducing audible distortion
      • Heavy-duty black fiber glass voice coil former to reduce mechanical losses resulting in better dynamic performance and low-level details
      • Large motor with 1” voice coil diameter for better control and power handling
      • 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

       

       

      Nominal Specifications:

        Parameter

      MR120BD01

      Unit

      Before burn-in

      After burn-in

      Nominal size

      4.75

      [inch.]

      Nominal impedance

      4

      [ohm]

      Recommended max. upper frequency limit

      200-4000

      [kHz]

      Sensitivity, 2.83V/1m (average SPL in range 200 – 1,000 Hz)

      92.5

      [dB]

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

      89

      [W]

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

      550

      [W]

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

      125

      [W]

      Effective radiating area, Sd

      55

      [sq.cm]

      Resonance frequency (free air, no baffle), Fs

      72

      70

      [Hz]

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

      5.7

      [g]

      Force factor, Bxl

      4.2

      [N/A]

      Suspension compliance, Cms

      0.87

      0.90

      [mm/N]

      Equivalent air volume, Vas

      3.1

      3.2

      [lit.]

      Mechanical resistance, Rms

      0.30

      0.30

      [Ns/m]

      Mechanical Q, Qms

      8.5

      8.4

      [-]

      Electrical Q, Qes

      0.47

      0.46

      [-]

      Total Q, Qts

      0.45

      0.44

      [-]

      Voice coil resistance, RDC

      3.2

      [ohm]

      Voice coil inductance, Le (measured at 10 kHz)

      [N/A]

      [mH]

      Voice coil inside diameter

      [N/A]

      [mm]

      Voice coil winding height

      7

      [mm]

      Air gap height

      4

      [mm]

      Magnet weight

      440

      [g]

      Total unit net weight excl. packaging

      1.1

      [kg]

      Krm

      [N/A]

      [mohm]

      Erm

      [N/A]

      [-]

      Kxm

      [N/A]

      [mH]

      Exm

      [N/A]

      [-]

      MR120BD01 DataSheet

      MR120BD01 Balanced Drive technical paper

      Weight1200 g
      Dimensions16 × 15 × 17 cm
      Brand

      Wavecor

      JAN

      8518

      Speaker Size

      4-3/4"

      Speaker Type

      MidBass

      Reviews

      There are no reviews yet.

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

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