L=-R noise 300 Hz L=1.6KHz, 4KHz, 2.5KHz, 2.5KHz @ -20db; R=4KHz @ -16db L=100Hz, 125Hz, 160Hz @ -20; R=125Hz @ -16db L=12.5 KHz, 16KHz, - @ -20db; R=16KHz @ -16db L=200Hz, 250Hz, 160Hz, 315Hz @ -20db; R=250Hz @ -16db L=22 L=25Hz, 31.5Hz, 40Hz @ -20b; R=31.5Hz @ -16db L=3.15KHz, 4KHz, 5KHz @ -20db; R=4KHz @ -16db L=400Hz, 500Hz, 630Hz @ -20db; R=500Hz @ -16db L=52Hz, 63Hz, 80Hz @ -20; R=63Hz @ -16db L=800Hz, 1KHz, 1.25Hz @ -20db; R=1Khz @ -16db L=Ø L=P2 L=R noise 300 Hz L=RC2(1989,DarrylTookes,Bronx,NYC) L=SD2 L=Sd^2 L=SD²