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      SB Acoustics SB12NRX25-4 4" Midrange Woofer

      € 43,35€ 52,45 2 In stock: delivery time 1-4 business days
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      Product description

      Highlights

      • Proprietary cone material with natural fibres made in-house
      • 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 SB12NRX25-4 4" Midrange Woofer

      The SB Acoustics SB12NRX25-4 4" Midwoofer is an excellent SB Acoustics Ferrite magnet midrange/midwoofer, featuring a high efficiency low damping rubber surround. Fitted with a proprietary composition paper cone, 1" voice coil. Very open cast frame for minimal reflections. Fs 55Hz, good level extended response up to 5KHz.

      Specifications

      Article number
      SB12NRX25-4
      Woofer Series
      NRX Series
      Woofer Type
      Midwoofer
      Nominal Diameter
      4"
      Power Handling (RMS)
      30 Watts
      Impedance (Z)
      4 ohms
      Sensitivity
      87.5 dB 2.83V/1m
      DC Resistance (Re)
      3.1 ohms
      Voice Coil Inductance (Le)
      0.14 mH
      Resonant Frequency (Fs)
      55 Hz
      Mechanical Q (Qms)
      3.2
      Electromagnetic Q (Qes)
      0.46
      Total Q (Qts)
      0.40
      Diaphragm Mass Inc. Airload (Mms)
      5.6 g
      Mechanical Compliance of Suspension (Cms)
      1.57 mm/N
      Surface Area of Cone (Sd)
      50 cm2
      BL Product (BL)
      3.6 Tm
      Compliance Equivalent Volume (Vas)
      0.19 ft.³
      Maximum Linear Excursion (Xmax)
      5 mm

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      SB12NRX25-4 4" Midrange Woofer
      € 43,35
      € 52,45
      SB12NRX25-4 4" Midrange Woofer
      2 In stock: delivery time 1-4 business days
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