Specification AudioDriverSize : 34.4 millimeters AudioDriverType : dynamic_driver AudioOutputMode : Stereo Brand : Lowell BulletPoint1 : Speaker-8in Moist Resist Cone, 10oz Magnet, 15W, BulletPoint2 : 8 ohm, 5W xfmr BulletPoint3 : Please Do Not Confused With Mackie SRM 450 (44.4 mm or 1.75") It Looks Similar. This One Is Smaller. BulletPoint4 : This is a 34.4 mm (1.35"inches) 8 ohm Universal Tweeters Diaphragm BulletPoint5 : Total length 83 mm Install dimension 72 ±1 mm BulletPoint6 : Overall Dimension 62.5 mm(+/- mm) BulletPoint7 : Dome material Titanium BulletPoint8 : Coil wire ALR BulletPoint9 : Impedance 8 Ω CompatibleDevices1 : Smartphone CompatibleDevices2 : Tablet CompatibleDevices3 : Laptop CompatibleDevices4 : Desktop CompatibleDevices5 : Television ControllerType : Voice Control ControlMethod : voice ExternallyAssignedProductIdentifier : 7632330280048 ExternallyAssignedProductIdentifier1 : 0811859032520 ExternallyAssignedProductIdentifier2 : 811859032520 IsWaterproof : False ItemName : Lowell 8C10MRB-T72 8-inch Single Cone Driver/Transformer ItemPackageQuantity : 1 ItemTypeKeyword : monitor-speaker-and-subwoofer-parts Manufacturer : Lowell Material : titanium ModelNumber : PT-310007-00 MountingType : Rack Mount PartNumber : 8C10MRBT72 PowerSourceType : Corded Electric ProductDescription : The Lowell 8C10MRB-T72 is designed for utility paging and low level background music systems that may be subject to high humidity, including indoor areas and outdoor areas that are protected from direct exposure to rain, snow, sun and similar environmental elements. Its ideal for use in greenhouses, locker rooms, hot tub areas, outdoor restaurants and cafes, and similar venues. The speaker features a wired transformer with taps for .25, .5, 1, 2 and 5 Watts at 25/70V and mounts to a standard 8-inch (203mm) grille and backbox. It can be teamed with Lowell's tamper-resistant grille model SG-8VP and surface-mount backbox model CB84-SGVP or a recessed backbox from the P68X Series.Lowell 8C10MRB-T72 Features:8" (203mm) single cone driver with 10 oz. (283.4 g) magnet and 1-in. (25.4mm) voice coilCotton cloth cone treated with phenolic resin and coated with acrylic lacquer for moisture-resistant performanceStamped 20-gauge steel basket with zinc-plated finish to prevent rust and corrosion. Punched holes accommodate transformerStandard E.I.A. mounting patternTransformer with taps for .25, .5, 1, 2 and 5 Watts at 25/70VLowell 8C10MRB-T72 Specifications:Performance:Power Handling: 15 watts RMS (nominal) measured per EIA Standard RS-426BSensitivity:95.7dB Average SPL (measured 2.83V @ 1m)107.5 dB Maximum SPL (calculated based on power rating and measured sensitivity).Impedance: 8 ohms nominal; 8 ohms @342Hz minimumFrequency Response: 83 Hz 7.5 kHz +/- 6dB; 50 Hz 20 kHz +/- 17dBDispersion Angle: 85 conical @ 2000 Hz octave ( 6dB)Physical Woofer:Magnet Weight, Material: 10 oz (264g), strontium ferrite ceramicVoice Coil Diameter, Material: 1 inch (26mm), copper wireCone Material: Moisture-resistant impregnated cloth with self edge surroundTerminals: Quick disconnect type spade lugsMechanical:Basket: 20 gauge stamped steel with zinc platingOutside Diameter: 8.062" (205mm)Mounting Bolt Circle: Fits grilles with 7.5" 7.75" (190.5mm196.9mm) mounting centers, with 8 obround holes ProductSiteLaunchDate : 2018-09-24T00:00:00.000-07:00 RecommendedUsesForProduct1 : For Computers RecommendedUsesForProduct2 : For Music Players RecommendedUsesForProduct3 : For Televisions RecommendedUsesForProduct4 : For Gaming Consoles RecommendedUsesForProduct5 : For Speaker Repairs or Upgrades SpeakerSize : 34.4 millimeters SpeakerType : Tweeter SpecificationMet : UL SpecificUsesForProduct : Home Entertainment Systems, Professional Audio Equipment SupplierDeclaredDgHzRegulation : unknown SurroundSoundChannelConfiguration : 1.0 UnitCount : 2 UnspscCode : 60141000