Oberton 12" Treiber

Oberton 12B40098 db 1W / 1m average sensitivity 77 mm high temperature aluminium voice coil 800 W AES program power Powerful, ferrite 180 mm magnet structure Silicone spider Epoxy anti-corrosion coating of top and back plates of magnet structure Oberton 12B400 8 Ohm SPECIFICATIONS Nominal Diameter Impedance Minimum ImpedancePower Capacity AES ¹Program Power ²Sensitivity Frequency RangeVoice Coil Diameter Voice Coil Material Voice Coil FormerV. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux Density 12"/310 inch/mm8 Ohm 6.35 Ohm400 W800 W(200-2000 Hz) 98 dB/W/m50 - 2500 Hz77 mmAluminiumKapton™15 mm9 mmPaperDie cast aluminiumFerrite1.33 T THIELE-SMALL PARAMETERS 12B400 Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 50.47 Hz9.690.2560.24974.74 Litres49.22 grams5.55 Ohms514.7 cm2±5.25 mm0.202 mm/N18.40 T.m0.81 mH MOUNTING INFORMATION Overall DiameterBaffle Hole Diameter Mounting HolesBolt Circle DiameterOverall DepthNet Weight 311 mm280 mm8 with dia. 7 mm294 mm144.5 mm7.25 kg SPECIFICATIONS Nominal Diameter Impedance Minimum ImpedancePower Capacity AES ¹Program Power ²Sensitivity Frequency RangeVoice Coil Diameter Voice Coil Material Voice Coil FormerV. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux Density 12"/310 inch/mm8 Ohm 6.35 Ohm400 W800 W(200-2000 Hz) 98 dB/W/m50 - 2500 Hz77 mmAluminiumKapton™15 mm9 mmPaperDie cast aluminiumFerrite1.33 T THIELE-SMALL PARAMETERS Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 50.47 Hz9.690.2560.24974.74 Litres49.22 grams5.55 Ohms514.7 cm2±5.25 mm0.202 mm/N18.40 T.m0.81 mH MOUNTING INFORMATION Overall DiameterBaffle Hole Diameter Mounting HolesBolt Circle DiameterOverall DepthNet Weight 311 mm280 mm8 with dia. 7 mm294 mm144.5 mm7.25 kg

Oberton 12B40197 db 1W / 1m average sensitivity 77 mm copper voice coil 800 W AES program power Powerful, ferrite 180 mm magnet structure Silicone spider Epoxy anti-corrosion coating of top and back plates of magnet structure Oberton 12B401 8 Ohm SPECIFICATIONS Nominal Diameter Impedance Minimum ImpedancePower Capacity AES ¹Program Power ²Sensitivity Frequency RangeVoice Coil Diameter Voice Coil Material Voice Coil FormerV.C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux Density 12"/310 inch/mm8 Ohm 6.85 Ohm400 W800 W(200-2000 Hz) 97 dB/W/m50 - 2500 Hz77 mmCopperKapton™18 mm9 mmPaperDie cast aluminiumFerrite1.3 T THIELE-SMALL PARAMETERS 12B401 Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 46.63 Hz 13.93 0.250 0.245 69.60 Litres 61.90 grams 5.48 Ohms 514.7 cm2 ±6.75 mm 0.188 mm/N 19.95 T.m 1.04 mH MOUNTING INFORMATION Overall DiameterBaffle Hole Diameter Mounting HolesBolt Circle DiameterOverall DepthNet Weight 311 mm280 mm8 with dia. 7 mm294 mm144.5 mm7.25 kg

Oberton 12B45099 db 1W / 1m average sensitivity 77 mm high temperature aluminium voice coil 900 W AES program power Powerful, vented 180 mm magnet structure Double aluminium demodulating rings for lower distortion and improved heat dissipation Silicone spider Epoxy anti-corrosion coating of top and back plates of magnet structureOberton 12B450 8 Ohm SPECIFICATIONS Nominal Diameter Impedance Minimum ImpedancePower Capacity AES ¹Program Power ²Sensitivity Frequency RangeVoice Coil Diameter Voice Coil Material Voice Coil FormerV. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux Density 12"/315 inch/mm8 Ohm 6.22 Ohm450 W900 W(200-2000 Hz) 99dB/W/m50 - 3000 Hz77 mmAluminiumKapton™21 mm11 mmPaperDie cast aluminiumFerrite1.20 T THIELE-SMALL PARAMETERS 12B450 Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz  46.29 Hz9.560.2410.23571.75 Litres60.97 grams5.07 Ohms514.7 cm2± 7.75 mm0.194 mm/N19.31 T.m1.10 mH

Oberton 12B45V94 db 1W / 1m average sensitivity 77 mm high temperature aluminium voice coil 900 W AES program power Powerful, vented 180 mm magnet structure Aluminium demodulating ring for lower distortion and improved heat dissipation Silicone spider Oberton 12B45V 8 Ohm SPECIFICATIONS Nominal Diameter Impedance Minimum ImpedancePower Capacity AES ¹Program Power ²Sensitivity Frequency RangeVoice Coil Diameter Voice Coil Material Voice Coil FormerV. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux Density 12"/310 inch/mm8 Ohm5.76 Ohm450 W900 W(50-200 Hz) 94 dB/W/m40 - 2000 Hz77 mmAluminiumGlassfiber25 mm8 mmPaper with Kevlar fibersDie cast aluminiumFerrite1.24 T THIELE-SMALL PARAMETERS 12B45V Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 47.88 Hz7.370.3710.35458.51 Litres69.86 grams4.90 Ohms514.7 cm2± 10.5 mm0.1582 mm/N16.65 T.m0.733 mH MOUNTING INFORMATION Overall DiameterBaffle Hole Diameter Mounting HolesBolt Circle DiameterOverall DepthNet Weight 315 mm280 mm8 eliptic 7x8 mm296 / 298 mm158 mm7.65 kg

Oberton 12CX 98 db SPL 1W / 1m ( LF ) average sensitivity 77 mm ( 3”) high temperature voice coil ( LF )700 W AES program power ( LF ) Triple aluminium demodulating rings Silicone spider Water protected cone (front) 1.4” exit HF compression driver 72 mm (2.85”) HF high temperature voice coil 80 degrees nominal dispersion Epoxy anti-corrosion coating of top and back plates of magnet structure Oberton 12CX 8 Ohm SPECIFICATIONS Nominal diameter Impedance Minimum impedance LFFrequency rangeDispersion angleLF unitSensitivity (200-2000 Hz)Power Capacity AES ¹Program Power ²Voice Coil Diameter Voice Coil Material Voice Coil Former V. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux DensityHF unitMinimum impedance HFDC resistance Sensitivity (1-15 kHz)Power capacity (1-20 kHz)Program powerVoice coil diameterWinding materialDiaphragm material Flux density 315 mm (12 in)LF 8 Ohm /HF 16 Ohm6.33 Ohm60 - 16000 Hz80 deg98 dB350 W700 W77 mm (3 in)AluminiumKapton15 mm9 mmPaper with glassfiberDie Cast AluminiumFerrite1.15 T11.59 Ohms10 Ohms106 dB80 W160 W72 mm (2.85 in)AluminiumCotton composite1.6 T THIELE-SMALL PARAMETERS 12CX Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz  51.24 Hz6.35 0.3660.34658.55 L 60.97 g5.65 Ohms 514.7 cm2± 5.25 mm0.158 mm/N17.40 T.m0.60 mH MOUNTING INFORMATION Overall diameter Depth Baffle hole diameterBolt circle diameterMounting holesNet weight 315 mm (12 in)196 mm280 mm296/298mm8 eliptic 7x8 mm10.8 kg

Oberton 12CX199 db SPL 1W / 1m ( LF ) average sensitivity 65 mm ( 2.5”) high temperature voice coil ( LF ) 600 W AES program power ( LF ) Triple aluminium demodulating rings Single magnet assembly Silicon spider Water protected cone 1” exit HF compression driver 44 mm (1.75”) HF high temperature voice coil 80 degrees nominal dispersion Special anti-corrosion coating of top and back plates of magnet structure Oberton 12CX1 8 Ohm SPECIFICATIONS Nominal diameter Impedance Minimum impedance LFFrequency rangeDispersion angleLF unitSensitivity (200-1000 Hz)Power Capacity AES ¹Program Power ²Voice Coil Diameter Voice Coil Material Voice Coil Former V. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux DensityHF unitMinimum impedance HFDC resistance Sensitivity (1-15 kHz)Power capacity (1-20 kHz)Program powerVoice coil diameterWinding materialDiaphragm material Flux density 315 mm (12 in)LF 8 Ohm /HF 16 Ohm5.86 Ohm60 - 16000 Hz80 deg99 dB300 W600 W65 mm (2.5 in)CooperKapton13 mm9 mmPaperDie Cast AluminiumFerrite1.00 T12.3 Ohms10.6 Ohms106 dB40 W80 W44 mm (1.75 in)Aluminiumsandwich polyester 1.8 T THIELE-SMALL PARAMETERS Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 57.58 Hz4.840.400.3768.49 L 41.27 g5.22 Ohms 514.7 cm2± 4.25 mm0.185 mm/N13.94 T.m0.737 mH MOUNTING INFORMATION 12CX1 Overall diameter Depth Baffle hole diameterBolt circle diameterMounting holesNet weight 311 mm (12 in)173 mm280 mm294 mm8 with diam. 7 mm7.8 kg

Oberton 12H4CX7298 db SPL 1W / 1m ( LF ) average sensitivity 100 mm (4”) high temperature voice coil ( LF ) 800 W AES program power ( LF ) Aluminium demodulating ring Silicon spider Copper plated pole piece and top plate (LF) Water protected cone - front 1.4” exit HF neodymium compression driver 72 mm (2.85”) HF high temperature voice coil 60 degrees conical integrated horn Oberton 12H4CX72 8 Ohm SPECIFICATIONS Nominal diameter Impedance Minimum impedance LFFrequency rangeDispersion angleLF unitSensitivity (200-1000 Hz)Power Capacity AES ¹Program Power ²Voice Coil Diameter Voice Coil Material Voice Coil Former V. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux DensityHF unitMinimum impedance HFDC resistance Sensitivity (1-10 kHz)Power capacity (1-20 kHz)Program powerVoice coil diameterWinding materialDiaphragm material Flux density 315 mm (12 in) LF 8 Ohm /HF 16 Ohm 7.28 Ohm 60 - 18000 Hz 60 deg conical 98 dB400 W800 W100 mm (4 in)CCAWGlass fiber6 mm12 mm.Paper with Kevlar fibersDie Cast AluminiumNeodymium1.37 T11.29 Ohms10 Ohms110 dB100 W200 W72 mm (2.85 in)CCAW*Hybrid2 T THIELE-SMALL PARAMETERS 12H4CX72 Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 49.90 Hz10,3260.2590.25274,72 L50,36 g6.5 Ohms515 cm2± 4.5 mm0.202 mm/N19.92 T.m0.445 mH MOUNTING INFORMATION Overall diameter Depth Baffle hole diameterBolt circle diameterMounting holesNet weight 315 mm (12 in)242 mm280 mm296/298mm8 eliptic 7x8 mm10,1 kg

Oberton 12HCX95.5 db SPL 1W / 1m ( LF ) average sensitivity 77 mm ( 3”) high temperature voice coil ( LF ) 700 W AES program power ( LF ) Triple aluminium demodulating rings Silicone spider Water protected cone 1.4” exit HF neodymium compression driver 72 mm (2.85”) HF high temperature voice coil 70 x 50 degrees integrated horn Epoxy anti-corrosion coating of top and back plates of magnet structure Very light weight Oberton 12HCX 8 Ohm SPECIFICATIONS Nominal diameter Impedance Minimum impedance LFFrequency rangeDispersion angleLF unitSensitivity (200-1000 Hz)Power Capacity AES ¹Program Power ²Voice Coil Diameter Voice Coil Material Voice Coil Former V. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux DensityHF unitMinimum impedance HFDC resistance Sensitivity (1-15 kHz)Power capacity (1-20 kHz)Program powerVoice coil diameterWinding materialDiaphragm material Flux density 315 mm (12 in)LF 8 Ohm /HF 16 Ohm6.73 Ohm60 - 16000 Hz70 x 50 deg95.5 dB350 W700 W77 mm (3 in)AluminiumKapton15 mm9 mmPaper with glassfiberDie Cast AluminiumNeodymium1.1 T11.59 Ohms10 Ohms106 dB80 W160 W72 mm (2.85 in)Aluminiumcotton composite 1.85 T THIELE-SMALL PARAMETERS 12HCX Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 52.61 Hz5.750.3540.33355.54 L 60.97 g5.57 Ohms 515 cm2± 5.25 mm0.15 mm/N17.82 T.m0.61 mH MOUNTING INFORMATION Overall diameter Depth Baffle hole diameterBolt circle diameterMounting holesNet weight 315 mm (12 in)208 mm280 mm296/298mm8 eliptic 7x8 mm5.75 kg

Oberton 12L300100.5 db 1W / 1m average sensitivity 64 mm high temperature aluminium voice coil 600 W AES program power Powerful, ferrite 169 mm magnet structure Silicone spider Epoxy anti-corrosion coating of top and back plates of magnet structure Oberton 12L300 8 Ohm SPECIFICATIONS Nominal Diameter Impedance Minimum ImpedancePower Capacity AES ¹Program Power ²Sensitivity Frequency RangeVoice Coil Diameter Voice Coil Material Voice Coil FormerV. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux Density 12"/310 inch/mm8 Ohm 6.20 Ohm300 W600 W(200-2000 Hz) 100.5 dB/W/m60 - 5000 Hz64 mmAluminiumKapton™11 mm9 mmPaper Die cast aluminiumFerrite1.35 T THIELE-SMALL PARAMETERS 12L300 Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz  53.80 Hz9.980.2610.25479.63 Litres40.65 grams5.35 Ohms514.7 cm2± 3.25 mm0.215 mm/N16.78 T.m0.69 mH MOUNTING INFORMATION Overall DiameterBaffle Hole Diameter Mounting HolesBolt Circle DiameterOverall DepthNet Weight 311 mm280 mm8 with dia. 7 mm294 mm144.7 mm6.8 kg

Oberton 12MB3598 db 1W / 1m average sensitivity 88 mm high temperature aluminium voice coil 1400 W AES program power Powerful, vented 200 mm magnet structure Double aluminium demodulating rings for lower distortion and improved heat dissipation Silicone spider Epoxy anti-corrosion coating of top and back plates of magnet structure Oberton 12MB35 8 Ohm SPECIFICATIONS Nominal Diameter Impedance Minimum ImpedancePower Capacity AES ¹Program Power ²Sensitivity Frequency RangeVoice Coil Diameter Voice Coil Material Voice Coil FormerV. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux Density 12"/315 inch/mm8 Ohm 6.15 Ohm700 W1400 W(200-2000 Hz) 98 dB/W/m50 - 2500 Hz88 mmAluminiumKapton™19 mm11 mmPaperDie cast aluminiumFerrite1.18 T THIELE-SMALL PARAMETERS Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 51.43 Hz 13.58 0.272 0.267 50.07 Litres 70.76 grams 5.00 Ohms 514.7 cm2 ±6.75 mm 0.135 mm/N 20.50 T.m 0.68 mH MOUNTING INFORMATION Overall DiameterBaffle Hole Diameter Mounting HolesBolt Circle DiameterOverall DepthNet Weight 315 mm280 mm8 eliptic 7x8 mm296 / 298 mm155 mm8.5 kg

Oberton 12NB40098 db 1W / 1m average sensitivity 77 mm high temperature voice coil 900 W AES program power Vented neodymium magnet assembly with massive heatsink Triple aluminium demodulating rings for lower distortion and improved heat dissipation Silicone spider Epoxy anti-corrosion coating of top and back plates of magnet structure Oberton 12NB400 8 Ohm SPECIFICATIONS Nominal Diameter Impedance Minimum ImpedancePower Capacity AES ¹Program Power ²Sensitivity Frequency RangeVoice Coil Diameter Voice Coil Material Voice Coil FormerV. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux Density 12"/315 inch/mm8 Ohm 6.96 Ohm450 W900 W(200 -2000 Hz) 98 dB/W/m50 - 2000 Hz77 mmAluminiumKapton™15 mm9 mmPaper with glassfiberDie Cast AluminiumNeodymium1.45 T THIELE-SMALL PARAMETERS 12NB400 Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 43.58 Hz10.390.1830.18070.45 litres59.82 grams5.00 Ohms514.7 cm2±5.25 mm0.196 mm/N20.34 T.m0.83 mH MOUNTING INFORMATION Overall DiameterBaffle Hole Diameter Mounting HolesBolt Circle DiameterOverall DepthNet Weight 315 mm280 mm8 eliptic 7x8 mm 296 / 298 mm180.3 mm5.00 kg

Oberton 12NB450100 db 1W / 1m average sensitivity 77 mm high temperature voice coil 1000 W AES program power Vented neodymium magnet assembly with massive heatsink Triple aluminium demodulating rings for lower distortion and improved heat dissipation Silicone spider Water protected cone (front) Oberton 12NB450 8 Ohm SPECIFICATIONS Nominal Diameter Impedance Minimum ImpedancePower Capacity AES ¹Program Power ²Sensitivity Frequency RangeVoice Coil Diameter Voice Coil Material Voice Coil FormerV.C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux Density 12"/315 inch/mm8 Ohm 6.54 Ohm500 W1000 W(200 -2000 Hz) 100 dB/W/m50 - 2000 Hz77 mmAluminiumKapton™21 mm11 mmPaper with glassfiberDie Cast AluminiumNeodymium1.30 T THIELE-SMALL PARAMETERS 12NB450 Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 46.46 Hz10.530.2080.20472.57 litres59.82 grams5.00 Ohms514.7 cm2±7.75 mm0.196 mm/N20.34 T.m0.83 mH MOUNTING INFORMATION Overall DiameterBaffle Hole Diameter Mounting HolesBolt Circle DiameterOverall DepthNet Weight 315 mm280 mm8 eliptic 7x8 mm 296 / 298 mm181.3 mm5.25kg

Oberton 12NB60095 db 1W / 1m average sensitivity 100 mm high temperature sandwich voice coil 1200 W AES program power Vented neodymium magnet assembly with massive heatsink Double aluminium demodulating rings for lower distortion and improved heat dissipation Double silicone spider for improved excursion control and linearity Water protected cone (front) Oberton 12NB600 8 Ohm SPECIFICATIONS Nominal Diameter Impedance Minimum ImpedancePower Capacity AES ¹Program Power ²Sensitivity Frequency RangeVoice Coil Diameter Voice Coil Material Voice Coil FormerV. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux Density 12"/315 inch/mm8 Ohm 7.21 Ohm600 W1200 W(100 -1000 Hz) 95 dB/W/m50 – 2000 Hz100 mmCopperGlass fiber22 mm14 mmKevlar paperDie Cast AluminiumNeodymium1.02 T THIELE-SMALL PARAMETERS 12NB600 Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 50.85 Hz6.970.20.19435.66 litres101.61 grams4.95 Ohms514.7 cm2±7.5 mm0.096 mm/N28.39 T.m1.82 mH MOUNTING INFORMATION Overall DiameterBaffle Hole Diameter Mounting HolesBolt Circle DiameterOverall DepthNet Weight 315 mm280 mm8 eliptic 7x8 mm 296 / 298 mm185.3 mm7.8 kg

Oberton 12NB60199 db 1W / 1m average sensitivity 100 mm high temperature sandwich voice coil 1200 W AES program power Vented neodymium magnet assembly with massive heatsink Double aluminium demodulating rings for lower distortion and improved heat dissipation Water protected cone (front) Epoxy anti-corrosion coating of top and back plates of magnet structure Oberton 12NB601 8 Ohm SPECIFICATIONS Nominal Diameter Impedance Minimum ImpedancePower Capacity AES ¹Program Power ²Sensitivity Frequency RangeVoice Coil Diameter Voice Coil Material Voice Coil FormerV. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux Density 12"/315 inch/mm8 Ohm 6.04 Ohm600 W1200 W(200 -2000 Hz) 99 dB/W/m50 – 3000 Hz100 mmAluminiumGlassfiber23 mm11 mmPaper with glassfiberDie Cast AluminiumNeodymium1.30 T THIELE-SMALL PARAMETERS 12NB601 Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 50.47 Hz10.020.3150.30538.71 litres95.03 grams5.48 Ohms514.7 cm2±8.75 mm0.105 mm/N22.91 T.m0.97 mH MOUNTING INFORMATION Overall DiameterBaffle Hole Diameter Mounting HolesBolt Circle DiameterOverall DepthNet Weight 315 mm280 mm8 eliptic 7x8 mm 296 / 298 mm180.3 mm7.8 kg

Oberton 12NCX98 db SPL 1W / 1m ( LF ) average sensitivity 77 mm ( 3”) high temperature voice coil ( LF ) 700 W AES program power ( LF ) Triple aluminium demodulating rings Silicone spider Water protected cone 1.4” exit HF neodymium compression driver 72 mm (2.85”) HF high temperature voice coil 80 degrees nominal dispersion Epoxy anti-corrosion coating of top and back plates of magnet structure Very light weight Oberton 12NCX 8 Ohm SPECIFICATIONS Nominal diameter Impedance Minimum impedance LFFrequency rangeDispersion angleLF unitSensitivity (200-2000 Hz)Power Capacity AES ¹Program Power ²Voice Coil Diameter Voice Coil Material Voice Coil Former V. C. Winding DepthMagnet Gap DepthCone Material Basket Magnet Flux DensityHF unitMinimum impedance HFDC resistance Sensitivity (1-15 kHz)Power capacity (1-20 kHz)Program powerVoice coil diameterWinding materialDiaphragm material Flux density 315 mm (12 in)LF 8 Ohm /HF 16 Ohm6.73 Ohm60 - 16000 Hz80 deg98 dB350 W700 W77 mm (3 in)AluminiumKapton15 mm9 mmPaper with glassfiberDie Cast AluminiumNeodymium1.1 T11.59 Ohms10 Ohms106 dB80 W160 W72 mm (2.85 in)Aluminiumcotton composite 1.85 T THIELE-SMALL PARAMETERS 12NCX Fs Qms Qes Qts Vas Mms Re Sd Xmax* Cms BL  Le at 1kHz 58.23 Hz6.18 0.310.3062.92 L 43.92 g5.7 Ohms 514.7 cm2± 5.25 mm0.17 mm/N17.19 T.m0.58 mH MOUNTING INFORMATION Overall diameter Depth Baffle hole diameterBolt circle diameterMounting holesNet weight 315 mm (12 in)190.6 mm280 mm296/298mm8 eliptic 7x8 mm5.4 kg