GS8ND2

• Fiberglass Cone
• 2” (50 mm) Voice Coil on Kapton Former
• Dual 2 Ω Voice Coils
• Copper Inductance- and Distortion-Reducing Pole Piece Cap
• Extended Pole Piece
• Vented Voice Coil Gap
• Flared Pole Piece Vent
• Neodymium Magnet
• Machined Back Plate
• Tinsel Leads Stitched to the Spider
• Flat Nomex® Spider
• Nitrile Butadiene Rubber Surround

• Nominal Impedance: 1 Ω or 4 Ω
• RMS Power Handling: 250W
• Peak Power Handling: 500W
• Frequency Response (-3 dB): 30 Hz – 300 Hz
• Sensitivity (2.83 V/1 M): 91 dB (1 Ω configuration)
• Recommended Amplifier RMS Power Range: 100W – 400W

Sealed Enclosure:

• Sealed Enclosure: Volume (Net): 7.1 liters (0.25 cubic feet)

Vented Enclosure:

• Vented Enclosure Volume (Net): 14.2 liters (0.50 cubic feet)
• Enclosure Tuning Frequency: 40 Hz
• Port Diameter: 50 mm (2”)
• Port Length: 225 mm (8-7/8”)
• Audiofrog recommends round ports with flared ends
• Use 26 Hz 12dB/octave Butterworth infrasonic (high pass) filter

Infinite Baffle:

• Use 29 Hz 12dB/oct Butterworth infrasonic (high pass) filter

Thiele & Small Parameters:

• Revc: 1 Ω or 4 Ω
• Levc @1 kHz: 0.18 mH (1 Ω configuration)
• Sd: 216 cm²
• Mmd: 111.3 g
• Mms: 122.8  g
• Cms: 122.8 µM/N
• Vas: 8.1 liters
• Fs: 42.7 Hz
• BL: 6.72 TM (1 Ω configuration)
• Qms: 5.186
• Qes: 0.606
• Qts: 0.542
• Xmax (1-way linear): 10 mm (3/8”)
• Basket Displacement: 0.566 liters (0.02 ft³)

OWNER'S MANUAL