- POWERFUL BASS YOU CAN COUNT ON - DIA-R12D4 delivers impressive 1200W Max Power with 600W RMS at Dual 4 Ohm, once you hear it, you will finally realize what big, rich bass sounds like.
- DUAL VOICE COIL (DVC) - Provides multiple options and flexibility to wire Parallel, Series, or Independent.
- HIGH-QUALITY MAGNET - Settle for nothing but the best with Ferrite magnets that produces a wider range of tones and can handle tremendous power at high volumes.
- UNIQUE DESIGN - This ultra-reliable subwoofer has dual voice coils, Kevlar dust cap, and foam edges all at an affordable price. What more can you ask for!
Black Diamond DIA-R12D4 SPECIFICATIONS : Nominal Diameter 12" / 304mm Nominal Impedance 4 OHMS RMS Power Handling 600 Watts MAX Power Handling / M1200 Watts Sensitivity 84.7dB Frequency Response 20-300Hz Recommended Lo Pass Crossover 80Hz MOTOR Voice Coil Diameter 2.5" / 63.5mm Voice Coil Former Material Aluminum Winding Material CCAW Cone Material Paper Dust Cap Paper Surround Material Foam Basket Material Steel Basket Color Black Magnet Material Ferrite Magnet Weight 100 oz Displacement Volume 1.9L / 0.07ft3 THIELE & SMALL PARAMETERS / PARÁMETROS T/S Equivalent Volume Vas 36.37L / 1.28ft3 Excursion (one way) Xmax 13.5mm Free Air Resonance Fs 30Hz Mechanical Factor Qms 4.528 Electrical Factor Qes 0.529 Total Factor Qts0.473 Moving Mass Mms 237.6g Compliance 0.115 mm/N Bl Factor BL 24.865 Voice Coil Inductance Le 0.7106mH Diaphragm Area Sd 471.25 cm2 DC Resistance Re 3.6 + 3.6 ohm Efficiency Bandwith EBP 56.7 MEASUREMENTS / MEDIDAS: Overall Diameter 12.6" / 320mm Overall Depth 7.75" / 197mm Front Mount Baffle Cutout 10.86" / 276mm Mounting Depth 6.6" / 168mm Motor Diameter 6.14" / 156mm RECOMMENDED ENCLOSURES Sealed Internal Volume 28.3L / 1ft3 Sealed Box Output Response F3 45Hz Ported Internal Volume 56.6L / 2ft3 Port Size - Square (WxHxLong) 1.18"x12.6"x14.17" / 30x320x360mm Port Tunning Frequency Fb 32Hz Ported Box Output Response F3 27Hz
