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Audiofrog

Audiofrog GB12D4 12″ (300 MM) AUDIOPHILE GRADE AUTOMOTIVE SUBWOOFER

Audiofrog GB12D4 12″ (300 MM) AUDIOPHILE GRADE AUTOMOTIVE SUBWOOFER

Regular price Sale price $100,000.00 CAD
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GB Series subwoofers are designed for high power handling and optimized to provide superior low frequency extension from a wide range of sealed and vented enclosures.

A copper inductance-reducing pole piece cap also reduces distortion and extends the range of flat response well into the midbass.

The GB12D4 includes a vented, cast aluminum basket, dual 4 ohm voice coils and a convenient switch to select a 2 ohm or 8 ohm configuration

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  • Features

    • Treated Paper Cone
    • 3” (75 mm) Voice Coil on Fiberglass Former
    • Dual 4 Ω Voice Coils
    • Impedance Selection Switch
    • Copper Inductance- and Distortion-Reducing Pole Piece Cap
    • Extended Pole Piece
    • Flared Pole Piece Vent
    • Dual Ferrite Magnets
    • Machined Back Plate
    • Proprietary Vented Cast Aluminum Basket
    • Tinsel Leads Stitched to the Spider
    • Flat, Progressive Nomex® Spider
    • Nitrile Butadiene Rubber Surround
    • Screw Terminals
  • Specifications

    • Nominal Impedance: 2 or 8 ohms
    • RMS Power Handling: 500 W
    • Peak Power Handling: 1500 W
    • Frequency Response (-3 dB): 22 Hz – 180 kHz
    • Sensitivity (2.83 V/1 M): 92 dB (2 Ω configuration)
    • Recommended Amplifier Power Range: 100 W – 1000 W

    Thiele & Small Parameters:

    • Revc: 2 Ω or 8Ω
    • Levc@1kHz: 0.58 mH (1 Ω configuration)
    • Sd: 510.7 cm2
    • Mmd: 177 g
    • Mms: 184 g
    • Cms: 171 µM/N
    • Vas: 63.7 liters
    • Fs: 28.4 Hz
    • BL: 11.47 TM (1Ω configuration)
    • Qms: 8.82
    • Qes: 0.52
    • Qts: 0.49
    • Xmax (1-way linear): 19 mm (11/16”)
    • Basket Displacement: 4.17 liters (0.147 ft3)

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