ManualGENERAL SPECIFICATIONSNominal diametermm (in)300 (12)Nominal ImpedanceOhm8Minimum impedanceOhm6,5Program powerW800AES Power ratingW400SensitivitydB93Frequency rangeHz40 ÷ 500Voice coil diametermm (in)65 (2.5)Chassis materialSteelMagnet materialFerriteMagnet dimensions OD x ID x hmm (in)193 x 8..