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    SB Acoustics SB12MNRX2-25-4 4" Midrange Woofer

    € 41,28€ 49,95 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
    • 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
    -

    Reviews

    5 from 5Based on 2 reviews
    Review this product
    5 van 5
    No description was given
    By Zoltan M. on 22 November 2019
    5 van 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
    € 41,28
    € 49,95
    SB12MNRX2-25-4 4" Midrange Woofer
    2 In stock: delivery time 1-4 business days
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