Audio Legion 12" Subwoofer Dual 4 Ohm S1812D4
Audio Legion's S1812 is a 12-inch subwoofer designed for strong, deep bass response in an economical platform. This subwoofer can add great bass reproduction with the convenience of utilizing a prefabricated enclosure. Rated at 400 watts peak power and 200 watts RMS power, the S1812 pairs perfectly with a small monoblock amplifier. The S1812 is built with extremely durable materials such as the double-stitched foam surround so that it can perform flawlessly for years. The S1812 features a 2" high-temperature voice coil and a 36 oz. ferrite motor structure. It also features chrome spring-loaded terminals, a feature missing from most entry-level subs. If you're looking for an incredibly versatile subwoofer at an unbeatable price point, look no further than Audio Legion's S18 Series.
Specifications:
• Overall Dimensions: 317mm x 158mm
• Nominal Power Handling: 200W
• Maximum Power: 400W
• Sensitivity dB: 87.6 dB
• Frequency Response: 40-300Hz
• Cone Material: Paper
• Net Weight: 4.2kg
Electrical Data:
• Nominal Impedance: Dual 4 Ohm
• DC Resistance: Dual 3.6 Ohm
Voice Coil and Magnet Parameters:
• Voice Coil Diameter: 50mm
• Voice Coil Height: 22mm
• HE Magnetic Gap Height: 8mm
• Max.Linear Excursion: 7mm
• Voice Coil Bobbin: Aluminium
• Voice Coil Wire: Copper
• Number of Layers: 4
• Magnet System Type: High Flux Ferrite
• BL Product: 7.08
• Mounting Depth: 138mm
• Mounting Diameter: 280mm
T-S Parameters:
• Suspension compliance Cms: .14
• Mechanical Q Factor Qms: 4.93
• Electrical Q Factor Qes: .94
• Total Q Factor Qts: .79
• Moving Mass Mms: 107.9
• Eq.Cas Air Load(liters) VAS: 52.1 L
• Resonant Frequency Fs: 40 Hz
• Effective Piston Area SD: 510.7cm²
Mounting Dimensions:
• Outside Diameter: 12.48"
• Cut-Out Diameter: 11.02"
• Mounting Depth: 5.16"