GB Series / GB12D2

Treated Paper Cone
3” (75 mm) Voice Coil on Fiberglass Former
Dual 2 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: 1 or 4 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): 95 dB (1 Ω configuration)
Recommended Amplifier Power Range: 100 W – 1000 W