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      SB Acoustics SB12MNRX2-25-4 4" Midrange Woofer

      € 45,41€ 54,95 Out of stock: please contact us for accurate delivery times

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      Product description

      Highlights

      • Proprietary cone material with natural fibres made in-house
      • Shortened voice coil optimized for pure midrange reproduction
      • High damping Butyl rubber surround for non-resonant sound character
      • Vented pole piece for reduced compression
      • Vented cast aluminium chassis for optimum strength and low compression
      • CCAW voice coil for reduced moving mass
      • Long life silver lead wires
      • Non-conducting fibre glass coil former for minimum damping

       

      Product details

      SB Acoustics SB12MNRX2-25-4 4" Midrange Woofer

       

      SB Acoustics Midrange Woofer is an excellent SB Acoustics Ferrite magnet midrange/midwoofer, featuring a high damping Butyl rubber surround for non-resonant sound character. Fitted with a proprietary cone material with natural fibres made in0house, 1" voice coil. Very good vented cast aluminium chassis for optimum strength and low compression. Fs 58 Hz, good level extended response up to 5KHz.

      Specifications

      Article number
      SB12MNRX2-25-4
      Woofer Series
      NRX Series
      Woofer Type
      Midwoofer
      Nominal Diameter
      4"
      Power Handling (RMS)
      50 watts
      Power Handling (max)
      -
      Continuous Program Power
      -
      Impedance (Z)
      4 ohms
      Sensitivity
      91 dB
      Frequency Response
      -
      Voice Coil Diameter
      25.4 mm
      Magnet Weight
      0.4 kg
      DC Resistance (Re)
      3.2 ohms
      Voice Coil Inductance (Le)
      0.15 mH
      Resonant Frequency (Fs)
      58 Hz
      Mechanical Q (Qms)
      3.60
      Electromagnetic Q (Qes)
      0.29
      Total Q (Qts)
      0.27
      Diaphragm Mass Inc. Airload (Mms)
      4.1 g
      Moving Mass Of Diaphragm (Mmd)
      -
      Mechanical Compliance of Suspension (Cms)
      1.77 mm/N
      Surface Area of Cone (Sd)
      50 cm2
      Volume of Displacement (Vd)
      -
      BL Product (BL)
      4.1 Tm
      Compliance Equivalent Volume (Vas)
      6.3 L
      Maximum Linear Excursion (Xmax)
      4.4 mm
      Driver's Mechanical Losses (Rms)
      0.4 kg/s
      Cone / Diaphragm Material
      -
      Surround Material
      Butyl Rubber
      Voice Coil Wire Material
      Copper-Clad Aluminum Wire (CCAW)
      Voice Coil Former
      -
      Dual Voice Coil
      cross
      Basket / Frame Material
      Aluminum
      Magnet Material
      -
      Shielded
      cross
      Overall Outside Diameter
      123 mm
      Overall Depth
      70.1 mm
      Baffle Cutout Diameter
      -
      Bolt Circle Diameter
      -
      # Mounting Holes
      4
      Mounting Hole Diameter
      4.3 mm
      Sealed Volume
      -
      Sealed F3
      -
      Vented Volume
      -
      Vented F3
      -

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      Reviews

      5 from 5Based on 2 reviews
      Review this product
      5 of 5
      No description was given
      By Zoltan M. on 22 November 2019
      5 of 5
      I bought (probably the 1st) 4pc from this midrange for a 3,5way active D'Appolito project. The driver's build quality is outstanding and not only beautiful but can make a big very detailed sound.
      By Zoltan M. on 14 November 2019

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      SB12MNRX2-25-4 4" Midrange Woofer
      € 45,41
      € 54,95
      SB12MNRX2-25-4 4" Midrange Woofer
      0 In stock: please contact us for accurate delivery times

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