Specifications
Type: Dual Voice Coil Shallow-Mount Subwoofer
Series: Diamond Audio DMD Series
Size: 12-inch (300mm)
Configuration: Dual 4Ω Voice Coils
Power Handling (RMS): 300W
Power Handling (Peak): 600W
Sensitivity (1W/1m): 86dB
Frequency Response: 28Hz – 500Hz
Voice Coil Diameter: 2.25-inch (57mm) High-Temperature Copper
Voice Coil Former: Black Anodized Aluminum
Magnet Structure: High-Energy Slim Ferrite Motor
Cone Material: Non-Pressed Paper with Reinforced Fiber Layer
Dust Cap: Diamond Embossed Poly Dome
Surround: UV-Stabilized Butyl Rubber
Spider: Poly-Cotton Progressive Suspension
Basket: Low-Profile Stamped Steel Frame
Cooling System: Rear Vented Motor Assembly
Terminal Type: Spring-Loaded Nickel-Plated Compression Terminals
Mounting Depth: 3.75" (95mm)
Mounting Cutout: 11.1" (282mm)
Overall Diameter: 12.5" (318mm)
Weight: 10.8 lbs
Warranty: 1-Year Manufacturer Warranty
Performance Specs
• Shallow-mount design engineered for limited-space enclosures and custom installs.
• Dual 4Ω configuration allows flexible 2Ω or 8Ω wiring setups.
• Optimized for tight, accurate low-end performance with clean transient response.
• Delivers deep, musical bass in compact sealed or ported enclosures.
• Designed for high-efficiency, low-heat operation in space-constrained systems.
Key Features
• Shallow-Mount Profile – Fits under seats or in slim sub enclosures.
• Dual 4Ω Voice Coils – Provides versatile wiring options for amplifier matching.
• Reinforced Paper Cone – Lightweight yet rigid for impactful bass performance.
• Butyl Rubber Surround – Ensures smooth cone motion and extended reliability.
• Low-Profile Basket – Maintains strong structure with reduced mounting depth.
• Efficient Cooling Design – Keeps the motor assembly cool under load.
• Diamond Audio Engineering – Tuned for accurate, durable, and musical bass.
Performance Integration Notes
• Ideal Pairing: Diamond DMD or DES Amplifiers rated 300–500W RMS @ 2Ω or 8Ω.
• Recommended Enclosures:
• Sealed: 0.75 – 1.0 cu. ft. for tight, accurate response.
• Ported: 1.25 – 1.5 cu. ft. tuned to 34–36Hz for deeper output.
• System Compatibility: Car, Truck, UTV, or Custom Low-Profile Applications.
• Installation Time: Approx. 1 hour.
• Pro Tip: Use polyfill in sealed enclosures to increase effective volume and improve low-end depth.