Not-allowable Example 1Not-allowable Example 3Not-allowable Example 2TREBLE Position(Straight ahead from the tweeter)SPL (dB)201002005001K2K5K10K20K70809010060110(Hz)(Hz)TREBLE PositionImpedance (Ω)201002005001K2K5K10K20K81632644(Hz)FLAT Position(Straight ahead from the tweeter)201002005001K2K5K10K20K70809010060110SPL (dB)(Hz)Impedance (Ω)FLAT Position201002005001K2K5K10K20K81632644