12SW-4 Subwoofer

41.95

  • Large 2″ voice coil and bumped back plate enable high power handling
  • Butyl rubber surround ensures high excursion and long-term durability
  • Polypropylene cone for perfect balance of stiffness, mass, and self-damping
  • Long-throw design for deep, powerful bass
  • 10 in stock

    Description

    The GRS 12SW-4 12″ 4 ohm poly cone subwoofer is a true bargain in replacement subwoofers! This economical sub features a beefy large diameter voice coil, durable polypropylene cone, and extended excursion for high-energy bass reproduction.

    Highlights

    • Large 2″ voice coil and bumped back plate enable high power handling
    • Butyl rubber surround ensures high excursion and long-term durability
    • Polypropylene cone for perfect balance of stiffness, mass, and self-damping
    • Long-throw design for deep, powerful bass

    Product details

    GRS 12SW-4 12″ Poly Cone Subwoofer 4 Ohm

    Now you can replace blown or damaged subwoofers with new drivers that equal or outperform the original! GRS 12SW-4 poly cone subwoofer is not only the perfect replacement for tired, worn-out subwoofers in a variety of audio gear, but they are also a great choice for new designs. The handsome polypropylene cone provide durability and good looks, while the large vented magnet assembly and extended voice coil enable long-throw performance and authoritative bass in a variety of enclosures.

    The 12″ model features a 2″ diameter voice coil with big 8.5mm excursion for solid bass performance in compact sealed and vented enclosures. These versatile subs are also rugged enough for use in dipole and automotive infinite baffle applications.

    See the below list of recommended enclosure alignments for new design.

    Recommended sealed enclosure: Vb = 1.5 ft^3, F3 = 37 Hz, Qtc: 1.6

    Recommended vented enclosure: Vb = 2.5 ft^3, Fb = 32 Hz, F3 = 30 Hz

    Specifications

    Article number

    12SW-4
    EAN

    0848864020211
    Woofer Type
    Sub Woofer
    Nominal Diameter
    12″
    Power Handling (RMS)
    120 Watts
    Power Handling (max)
    240 Watts
    Impedance (Z)
    4 ohms
    Sensitivity (SPL at 1m / 2.83V)
    88 dB
    Frequency Response
    29 to 800 Hz
    Voice Coil Diameter
    2″
    DC Resistance (Re)
    3.57 ohms
    Voice Coil Inductance (Le)
    1.1 mH
    Resonant Frequency (Fs)
    29.6 Hz
    Mechanical Q (Qms)
    4.51
    Electromagnetic Q (Qes)
    1.27
    Total Q (Qts)
    0.98
    Volume of Displacement (Vd)
    426 cm³
    Compliance Equivalent Volume (Vas)
    3.18 ft.³
    Maximum Linear Excursion (Xmax)
    8.5 mm
    Cone / Diaphragm Material
    Poly
    Surround Material
    Rubber
    Voice Coil Wire Material
    Copper
    Basket / Frame Material
    Steel
    Magnet Material
    Ferrite
    Overall Outside Diameter
    12.25″
    Overall Depth
    5.75″
    Baffle Cutout Diameter
    11.125″
    Bolt Circle Diameter
    11.75″
    # Mounting Holes
    8
    Shipping & Delivery
    USPS Fast Shipping