SB ACOUSTICS 4
SB ACOUSTICS 4
SB ACOUSTICS 4
SB ACOUSTICS 4
SB ACOUSTICS 4
SB ACOUSTICS 4

SB ACOUSTICS 4" MIDRANGE - MNRX-II

    $89.50

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  • Order Code: SB12MNRX2-25-4
  • Availability: In Stock

  • 25mm Voice coil, Norex paper cone, rubber surround, ferrite motor, aluminium chassis

    • Proprietary cone material with natural fibres made in-house
    • Shortened voice coil optimised 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


    Nominal Impedance 4 Ω 
    DC resistance, Re 3.2 Ω 
    Voice coil inductance, Le 0.15 mH 
    Effective piston area, Sd 50 cm2 
    Voice...

    • NRX2 is the new version of the NRX Series of speaker drivers. NRX is the "Norex" proprietary paper cone drivers by SB Acoustics. Through the development phases of some newer generation drivers with different cone materials (Carbon fiber, Polypropylene, Aluminium, Ceramic etc.) other improvements were made to the suspension system, damping, voice coil and coil former. All newer generations included a variety of subtle improvements summing-up over the years to quite a few improvements. The NRX2 takes the learning from many years of further development and brings all of that to the market as a new, but very similar driver series. NRX2 is more detailed, open, dynamic and with lower distortion. In most cases you can substitute NRX to/from NRX2 without the need for crossover or cabinet modifications. Read / Show More
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    SB ACOUSTICS 4

    Found in Category : Speaker Drivers

    Product Specs for SB ACOUSTICS 4" MIDRANGE - MNRX-II

    Description Woofer
    Coil 25.4mmØ
    Depth 60.8mm
    Fs 63.5Hz
    Impedance 4Ω (Re 3.2Ω)
    Impedance (Ohm) 4 ohm
    Inch 4"
    Le 0.15mH
    Mag. 0.4kg
    Manufacturer SB Acoustics
    Mms 4.2g
    Power 50Wrms
    Power (RMS) 0-50 Watt
    Price Type each
    Prms 50W
    Qes 0.35
    Qms 4.19
    Qts 0.32
    QTY 1
    Re 3.2Ω
    Sd 50cm²
    Sens. 90.5dB
    Series Woofer
    Size 4"
    Type Woofer
    Vas 5.3L
    Width 123mmØ
    Zn 4Ω
    Cms 1.5mm/N
    Bl 3.9Tm
    Rms 0.4kg/s
    Xmax 4.4mm
    Flux (lm) 1.03T
    Page 24
    eBook

    Link to eBook
    Wagner eBook 03-169
    DescriptionFileSize
    Datasheet SB12MNRX2-25-4.pdf 532 KB
    SB Acoustics Catalogue SB-Acoustics-Catalogue.pdf 26130 KB

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