ManualGENERAL SPECIFICATIONSNominal diametermm (in)200 (8)Nominal ImpedanceOhm8Minimum impedanceOhm6,8Program powerW400AES Power ratingW200SensitivitydB89Frequency rangeHz50 ÷ 500Voice coil diametermm (in)38 (1.5)Chassis materialSteelMagnet materialFerriteMagnet dimensions OD x ID x hmm (in)120 x 60..