{"product_id":"b2-audio-rave12-d4-subwoofer","title":"RAVE12 D4","description":"\u003cp\u003eThe RAVE12 D4 from B2 Audio is a 12-inch Subwoofer that stands for impressive performance and versatility. With a power handling of 500 Watts RMS and 1000 Watts Max, it is ideal for musical and bass-heavy sound systems. The Subwoofer is designed in a compact shallow-mount construction, making it perfect for space-saving installations. Thanks to the dual 4 Ohm voice coil, it offers flexible impedance options of 2 Ohm or 8 Ohm. The RAVE12 D4 covers an extremely wide frequency range from 10 to 500 Hz, making it suitable for deep sub-bass as well as punchy kick bass. With a sensitivity of 89.3 dB, it generates a high sound pressure even at moderate power levels, while being optimally tuned for use in compact, vented enclosures starting from 43.2 liters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHighlights\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerful \u0026amp; Efficient:\u003c\/strong\u003e Rated for 500 Watts RMS (1000 Watts Max) for musical and bass-heavy sound systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Shallow-Mount Design:\u003c\/strong\u003e Flat shallow-mount subwoofer that is ideal for extremely space-saving installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Impedance:\u003c\/strong\u003e Dual 4 Ohm voice coil allows for flexible configurations at either 2 Ohm or 8 Ohm total impedance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely Wide Frequency Range:\u003c\/strong\u003e Covers a range from 10 Hz to 500 Hz, making it suitable for both deep sub-bass and punchy kick bass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e With a sensitivity of 89.3 dB, the subwoofer generates significant sound pressure even at moderate amplifier power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for Bass Reflex Enclosures:\u003c\/strong\u003e Specifically optimized for excellent performance in compact, vented enclosures starting from 43.2 liters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e B2 Audio RAVE12-D4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Type:\u003c\/strong\u003e Shallow Mount Subwoofer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Size:\u003c\/strong\u003e 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Impedance:\u003c\/strong\u003e Dual 4 Ohm (DVC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Power Handling:\u003c\/strong\u003e 500 W RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak Power Handling:\u003c\/strong\u003e 1000 W Max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 10 – 500 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Pressure Level:\u003c\/strong\u003e 89.3 dB (1W\/1m)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice Coil:\u003c\/strong\u003e 63.5 mm (2.5 inches) round copper wire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnet Type:\u003c\/strong\u003e Ferrite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Weight:\u003c\/strong\u003e 3.97 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiaphragm Material:\u003c\/strong\u003e Natural Polypropylene (NPP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurround Type:\u003c\/strong\u003e Narrow U-Shape foam surround\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e Push terminals for cables up to 10 mm²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5.5 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectro-Acoustic Parameters (TSP)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResonance Frequency (Fs):\u003c\/strong\u003e 31.8 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquivalent Volume (Vas):\u003c\/strong\u003e 80 l\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Resistance in Parallel (Re):\u003c\/strong\u003e 1.9 Ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Quality Factor (Qts):\u003c\/strong\u003e 0.425\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Quality Factor (Qes):\u003c\/strong\u003e 0.48\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Quality Factor (Qms):\u003c\/strong\u003e 3.57\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffective Moving Mass (Mms):\u003c\/strong\u003e 114 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuspension Compliance (Cms):\u003c\/strong\u003e 22 µm\/N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Linear Excursion (Xmax):\u003c\/strong\u003e 12 mm (one way)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffective Diaphragm Area (Sd):\u003c\/strong\u003e 510 cm²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductance (Le):\u003c\/strong\u003e 1.02 mH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEBP:\u003c\/strong\u003e 66\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure Recommendations (Bass Reflex)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Bass Reflex Enclosure:\u003c\/strong\u003e 43.2 liters (Tuning: 35 Hz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Bass Reflex Enclosure:\u003c\/strong\u003e 50 liters (Tuning: 35 Hz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Dimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Diameter:\u003c\/strong\u003e 318 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutout Diameter:\u003c\/strong\u003e 282 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Depth:\u003c\/strong\u003e 142 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Depth:\u003c\/strong\u003e 152 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnet Diameter:\u003c\/strong\u003e 140 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnet Depth:\u003c\/strong\u003e 56 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"B2 Audio","offers":[{"title":"Default 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