Features:

1. Field-Replaceable Recone Kit cone/voice coil/spider assembly, and no gluing required
2. Forced Air Cooling
3. Three-inch, aluminum voice coil former
4. Dual-spider suspension
5. Double-pressed pulp cone
6. Heavy-duty UV-resistant Santoprene surround
7. Custom rubber magnet boot
8. Cast-aluminum basket
9. Single 8 AWG terminal and dual 8 AWG terminal block
10. Triple-Stacked Ferrite Magnet

Thiele/Small Parameters

Model: 49L7X121 T/S Parameters
Size: 12 in (30 cm)
Rated Impedance: 1 DVC (Dual Voice Coil)
Recommended Amplifier Power (RMS): 1000-2000 watts
Frequency Response: 20-100 Hz
Magnet Diameter: 8-11/16 in (22 cm)
Total Magnet Weight: 406 oz (11.5 kg)
Voice Coil Diameter: 3 in (75 mm)
Voice Coil Winding Width: 2.5 in (62.5 mm)

Product Dimension Sheet

Model: 49L7X12 Dimensions
Top Plate Thickness: 0.5 in (13 mm)
Xmax (Maximum Linear Excursion): 1.25 in (31.25 mm)
Mounting Cutout: 11-1/16 in (28.1 cm)
Mounting Depth: 10-1/8 in (25.7 cm)
Recommended Vented Box Volume: 3.0 Cu. Ft. (84.9 L)
Port Opening: 3.5 x 13 in (9 x 33 cm)
Port Length: 36.5 in (93 cm)
Vented Enclosure Tuning Frequency: 31 Hz