Specifications
Type: Dual Voice Coil Subwoofer
Series: Diamond Audio DMD Series
Subwoofer Size: 10" (250 mm)
Configuration: Dual 4Ω Voice Coil (DVC)
Power Handling (RMS): 250 W
Power Handling (Peak): 500 W
Nominal Impedance: 4 Ω (Dual Coil)
Sensitivity (1W/1m): 86 dB
Frequency Response: 28 Hz – 500 Hz
Voice Coil Diameter: 2" (50 mm)
Voice Coil Material: Copper Wound on Aluminum Former
Cone Material: Non-Pressed Paper Cone Reinforced with Kevlar Fiber
Surround Material: High-Roll Foam Surround
Spider: Nomex Progressive Roll
Basket: Stamped Steel Frame with Vented Motor Assembly
Magnet Type: High-Energy Ferrite
Cooling System: Vented Pole Piece for Improved Thermal Dissipation
Terminals: Nickel-Plated 8 AWG Push Terminals
Mounting Depth: 5.0" (127 mm)
Mounting Cutout Diameter: 9.25" (235 mm)
Overall Diameter: 10.6" (270 mm)
Weight: 10.2 lbs
Recommended Enclosures: Sealed or Ported (Optimized for Ported Use)
Recommended Sealed Volume: 0.75 cu. ft.
Recommended Ported Volume: 1.25 cu. ft. (Tuned to 35 Hz)
Warranty: 1-Year Manufacturer Warranty
Performance Specs
• Engineered for accurate, deep bass in compact enclosures.
• Dual 4Ω voice coils allow flexible wiring for 2Ω or 8Ω configurations.
• Reinforced cone and surround deliver consistent performance under high excursion.
• Optimized for both sealed and ported enclosures for customizable response.
• Designed to deliver impactful, clean bass with minimal distortion.
Key Features
• Dual 4Ω Voice Coils – Offers wiring flexibility for multi-amp or mono setups.
• 250 W RMS Power Handling – Reliable, continuous performance for daily systems.
• Kevlar-Reinforced Cone – Lightweight, rigid, and tonally accurate.
• High-Roll Surround – Extends cone excursion for deeper low-end response.
• Ferrite Motor Assembly – Provides strong magnetic force for control and punch.
• Vented Pole Piece – Improves cooling and efficiency during extended play.
• Durable Stamped Basket – Minimizes resonance and ensures stable operation.
• Diamond Audio Engineering – Balanced design for musical, everyday bass.
Performance Integration Notes
• Ideal Pairing: Amplifier rated 250–400 W RMS @ 4Ω (Diamond MICRO81U or DES400.2D recommended).
• System Compatibility: Works in sealed or ported enclosures for cars, trucks, or motorcycles.
• Recommended Use: Single or dual-subwoofer setups for daily listening systems.
• Installation Time: Approx. 1 hour.
• Pro Tip: For best performance, use 1.25 cu. ft. ported box tuned to 35 Hz with 12 AWG wiring and ensure airtight sealing for maximum low-frequency output.
