Manual GENERAL SPECIFICATIONSNominal diametermm (in)380 (15)Nominal ImpedanceOhm8Minimum impedanceOhm7,3Program powerW1600AES Power ratingW800SensitivitydB96,5Frequency rangeHz40 ÷ 1000Voice coil diametermm (in)100 (4)Chassis materialAluminiumMagnet materialFerriteMagnet dimensions OD x ID x hmm (in..