{"product_id":"subwoofer-hertz-mp-250-d2-3-pro-10-600w-rms-2-2ω-mille-pro-v-cone","title":"Subwoofer Hertz MP 250 D2.3 PRO - 10\" - 600W RMS - 2+2Ω - Mille PRO - V-Cone","description":"\u003ch3\u003eHighlights\u003c\/h3\u003e\u003cul\u003e\n\n\u003cli\u003eMille PRO 10-inch subwoofer for extraordinary performance in a compact volume\u003c\/li\u003e\n\n\u003cli\u003e600W RMS power and 1200W peak power\u003c\/li\u003e\n\n\u003cli\u003eMineral powder-filled cellulose cone (Legend technology)\u003c\/li\u003e\n\n\u003cli\u003eV-cone® profile for maximum rigidity and piston-like operation\u003c\/li\u003e\n\n\u003cli\u003eBoundary Free Surround technology for superior emitting surface\u003c\/li\u003e\n\n\u003cli\u003e65 mm 4-layer voice coil on TIL-P former\u003c\/li\u003e\n\n\u003cli\u003e2Ω + 2Ω impedance for maximum versatility\u003c\/li\u003e\n\n\u003cli\u003eOptimized ventilation system without bottom plate drilling\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eExtraordinary performance in a compact volume: this is the challenge of Mille PRO car audio subwoofers. Building on the solid experience gained with Mille Legend, the R\u0026amp;D team has optimized the production process to offer the \"Hertz Sound Experience\" to a wider audience, by re-employing the technologies and materials of this flagship line.\u003c\/p\u003e\u003ch4\u003eCONE AND SURROUND\u003c\/h4\u003e\u003cp\u003eThe MP 250 D2.3 cone is made of mineral powder-filled cellulose, using the same construction technique as for Legend. The V-cone® profile increases rigidity, allowing the cone to operate like a piston. The surround is made of very pure IIR butyl.\u003c\/p\u003e\u003ch4\u003eBOUNDARY FREE SURROUND\u003c\/h4\u003e\u003cp\u003eAs with the Legend ML 2000.3 and ML 2500.3, Mille PRO subwoofers use Boundary Free Surround technology, which allows for a larger radiating surface at the same diameter, for higher sound pressure.\u003c\/p\u003e\u003ch4\u003eCOMPACT BASKET\u003c\/h4\u003e\u003cp\u003eThe compact six-spoke anti-resonant aluminum basket is the same as for the ML 2500.3; it contributes to the mechanical damping of the subwoofer by being acoustically transparent.\u003c\/p\u003e\u003ch4\u003eHIGH-PERFORMANCE VOICE COIL\u003c\/h4\u003e\u003cp\u003eThe 4-layer voice coil wound on a 65 mm diameter TIL-P former is over 60 mm high to allow for greater excursions. The 2Ω + 2Ω impedance improves versatility by allowing the use of all types of amplifiers.\u003c\/p\u003e\u003ch4\u003eOPTIMIZED VENTILATION SYSTEM\u003c\/h4\u003e\u003cp\u003eThe ventilation and pressure relief system avoids the need for a hole in the bottom plate with the following advantages:\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003eBetter thermal inertia for lower operating temperatures during musical transients\u003c\/li\u003e\n\n\u003cli\u003eBetter induction of the magnetic field in the coil with the same motor size. Thanks to the high iron content in the pole pieces, the probability of magnetic saturation decreases by maximizing the flux density generated by the magnet\u003c\/li\u003e\n\n\u003cli\u003ePossibility of installing the subwoofer on the rear wall, taking advantage of its compact dimensions. A damping disk is supplied with the product, allowing it to be attached to the enclosure through the 10 pre-drilled threads\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch4\u003eOPTIMIZED COOLING\u003c\/h4\u003e\u003cp\u003eThe holes around the voice coil and the 10 perforations in the back plate allow for better air exchange with the inside of the windings by forcing air to pass through the air gap to maintain a low operating temperature even during the most extreme musical passages.\u003c\/p\u003e\u003ch4\u003ePROFESSIONAL CONNECTORS\u003c\/h4\u003e\u003cp\u003eConnection is made via sturdy push-on connectors with short-circuit protection, accepting 8 AWG cables for the lowest possible resistance in low impedance (1Ω) configurations.\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003eMille PRO 10-inch subwoofer for extraordinary performance in a compact volume\u003c\/li\u003e\n\n\u003cli\u003e600W RMS power and 1200W peak power for deep bass\u003c\/li\u003e\n\n\u003cli\u003eMineral powder-filled cellulose cone (same technique as Legend)\u003c\/li\u003e\n\n\u003cli\u003eV-cone® profile increasing rigidity for piston-like operation\u003c\/li\u003e\n\n\u003cli\u003eVery pure IIR butyl surround for durability and performance\u003c\/li\u003e\n\n\u003cli\u003eBoundary Free Surround technology for superior radiating surface\u003c\/li\u003e\n\n\u003cli\u003eHigher sound pressure at the same diameter\u003c\/li\u003e\n\n\u003cli\u003eCompact six-spoke anti-resonant aluminum basket (same as ML 2500.3)\u003c\/li\u003e\n\n\u003cli\u003eOptimal mechanical damping and total acoustic transparency\u003c\/li\u003e\n\n\u003cli\u003e65 mm diameter 4-layer voice coil on TIL-P former\u003c\/li\u003e\n\n\u003cli\u003eVoice coil height over 60 mm for large excursions\u003c\/li\u003e\n\n\u003cli\u003eLinear excursion (Xmax) of 17 mm for significant air displacement\u003c\/li\u003e\n\n\u003cli\u003eMechanical excursion (Xmech) of ±27 mm (1.06\") for extreme performance\u003c\/li\u003e\n\n\u003cli\u003e2Ω + 2Ω impedance for maximum versatility with all amplifiers\u003c\/li\u003e\n\n\u003cli\u003eVentilation system without bottom plate drilling\u003c\/li\u003e\n\n\u003cli\u003eBetter thermal inertia for lower temperatures\u003c\/li\u003e\n\n\u003cli\u003eBetter induction of the magnetic field in the coil\u003c\/li\u003e\n\n\u003cli\u003eHigh iron content in pole pieces to prevent magnetic saturation\u003c\/li\u003e\n\n\u003cli\u003ePossible installation on the rear wall due to compact dimensions\u003c\/li\u003e\n\n\u003cli\u003eDamping disk supplied with 10 threaded holes for attachment\u003c\/li\u003e\n\n\u003cli\u003eHoles around the voice coil for better air exchange\u003c\/li\u003e\n\n\u003cli\u003e10 perforations in the back plate for optimal cooling\u003c\/li\u003e\n\n\u003cli\u003eLow operating temperature even on extreme musical passages\u003c\/li\u003e\n\n\u003cli\u003eSturdy push-on connectors with short-circuit protection\u003c\/li\u003e\n\n\u003cli\u003eAccepts 8 AWG cables for minimal resistance in 1Ω configuration\u003c\/li\u003e\n\n\u003cli\u003eHigh-flux density ferrite magnet for high motor force\u003c\/li\u003e\n\n\u003cli\u003eMagnet size: 165 x 75 x 35 mm for optimal performance\u003c\/li\u003e\n\n\u003cli\u003eResonance frequency (Fs) of 30 Hz for ultra-deep bass\u003c\/li\u003e\n\n\u003cli\u003eQts of 0.54 ideal for sealed and bass-reflex enclosures\u003c\/li\u003e\n\n\u003cli\u003eSensitivity of 83.5 dB for optimal efficiency\u003c\/li\u003e\n\n\u003cli\u003eRobust construction weighing 8.2 kg for maximum durability\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e250 mm (10\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eContinuous Power (RMS)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e600 W\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003ePeak Power\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e1200 W\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e2+2 Ω\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eSubwoofer\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eVoice Coil Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e65 mm (2.56\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMagnet Size (D x d x h)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e165 x 75 x 35 mm (6.5 x 2.95 x 1.38\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e8.2 kg (18.08 lbs)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMagnet\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eHigh-flux density ferrite\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eCone\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003ePressed cellulose with mineral powders (V-cone®)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSurround\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eVery pure IIR Butyl\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eLinear Excursion (Xmax)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e17 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMechanical Excursion (Xmech)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e±27 mm (1.06\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/table\u003e\u003ch3\u003eThiele \u0026amp; Small Parameters\u003c\/h3\u003e\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSd (Cone Surface Area)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e213 cm²\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eXmax (Linear Excursion)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e17 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eRe (Voice Coil Resistance)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e0.85 Ω\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eFs (Resonance Frequency)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e30 Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eLe (Voice Coil Inductance)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e0.65 mH\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eVas (Equivalent Air Volume)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e25 liters\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMms (Moving Mass)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e182 g\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eCms (Suspension Compliance)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e0.14 mm\/N\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eBL (Motor Force)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e7.1 T•m\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eQts (Total Q Factor)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e0.54\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eQes (Electrical Q Factor)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e0.6\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eQms (Mechanical Q Factor)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e5.92\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSPL (Sensitivity)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e83.5 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/table\u003e\u003ch3\u003eMounting Dimensions\u003c\/h3\u003e\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eOuter Diameter (A)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e268 mm (10.55\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eCutout Diameter (B)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e236 mm (9.29\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMounting Depth (C)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e160 mm (6.3\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMagnet Depth (D)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e141 mm (5.55\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/table\u003e\u003ch3\u003eWhy Choose It\u003c\/h3\u003e\u003cul\u003e\n\n\u003cli\u003eMille PRO subwoofer offering the Hertz Sound Experience to a wider audience\u003c\/li\u003e\n\n\u003cli\u003eTechnologies and materials from the flagship Legend line for exceptional performance\u003c\/li\u003e\n\n\u003cli\u003eMineral powder-filled cellulose cone (same technique as Legend)\u003c\/li\u003e\n\n\u003cli\u003eV-cone® profile for maximum rigidity and piston-like operation\u003c\/li\u003e\n\n\u003cli\u003eVery pure IIR butyl surround for durability and consistent performance\u003c\/li\u003e\n\n\u003cli\u003eBoundary Free Surround technology for superior radiating surface\u003c\/li\u003e\n\n\u003cli\u003eHigher sound pressure at the same diameter\u003c\/li\u003e\n\n\u003cli\u003eCompact six-spoke anti-resonant aluminum basket (same as ML 2500.3)\u003c\/li\u003e\n\n\u003cli\u003eOptimal mechanical damping and total acoustic transparency\u003c\/li\u003e\n\n\u003cli\u003e65 mm diameter 4-layer voice coil on TIL-P former\u003c\/li\u003e\n\n\u003cli\u003eVoice coil height over 60 mm for large excursions\u003c\/li\u003e\n\n\u003cli\u003eLinear excursion (Xmax) of 17 mm for significant air displacement\u003c\/li\u003e\n\n\u003cli\u003eMechanical excursion (Xmech) of ±27 mm for extreme performance\u003c\/li\u003e\n\n\u003cli\u003e2Ω + 2Ω impedance for maximum versatility with all amplifiers\u003c\/li\u003e\n\n\u003cli\u003eVentilation system without bottom plate drilling for multiple advantages\u003c\/li\u003e\n\n\u003cli\u003eBetter thermal inertia for lower temperatures during musical transients\u003c\/li\u003e\n\n\u003cli\u003eBetter induction of the magnetic field in the coil\u003c\/li\u003e\n\n\u003cli\u003eHigh iron content in pole pieces to prevent magnetic saturation\u003c\/li\u003e\n\n\u003cli\u003ePossible installation on the rear wall due to compact dimensions\u003c\/li\u003e\n\n\u003cli\u003eDamping disk supplied with 10 threaded holes for attachment to the enclosure\u003c\/li\u003e\n\n\u003cli\u003eHoles around the voice coil for better air exchange\u003c\/li\u003e\n\n\u003cli\u003e10 perforations in the back plate for optimal cooling\u003c\/li\u003e\n\n\u003cli\u003eLow operating temperature even on extreme musical passages\u003c\/li\u003e\n\n\u003cli\u003eSturdy push-on connectors with short-circuit protection\u003c\/li\u003e\n\n\u003cli\u003eAccepts 8 AWG cables for minimal resistance in 1Ω configuration\u003c\/li\u003e\n\n\u003cli\u003eResonance frequency (Fs) of 30 Hz for ultra-deep bass\u003c\/li\u003e\n\n\u003cli\u003eQts of 0.54 ideal for sealed and bass-reflex enclosures\u003c\/li\u003e\n\n\u003cli\u003eRobust 8.2 kg construction ensuring maximum durability\u003c\/li\u003e\n\n\u003cli\u003eUltimate solution for extraordinary performance in a compact volume\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch3\u003eDocumentation\u003c\/h3\u003e\u003cp\u003eFor more technical information and the complete installation manual, please consult the \u003ca href=\"https:\/\/www.hertzaudiovideo.com\" target=\"_blank\"\u003eofficial Hertz documentation\u003c\/a\u003e.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":54168128815427,"sku":"MP 250 D2.3 PRO","price":320.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/6247\/4051\/files\/Hertz_Mille_PRO_MP250_3_emo.png?v=1770301482","url":"https:\/\/soundautoconcept.com\/en-eu\/products\/subwoofer-hertz-mp-250-d2-3-pro-10-600w-rms-2-2%cf%89-mille-pro-v-cone","provider":"Sound Auto Concept","version":"1.0","type":"link"}