INPUT SELECTORBALANCE AMPDISCCDTUNERINPUT4INPUT5INPUT6BALANCE0/6.5dB SELECTABLE GAINAMP STAGE54dB ATTENUATOR2dB/STEP5dB TONE CONTROL1dB/STEPBIAMP HIGH PASS FILTER2,2.5,3,3.5dB SELECTABLE GAINAMP STAGE30dB ATTENUATOR10dB/STEPBY PASS, 40, 60, 80, 100HzPRE OUT1PRE OUT2INPUT SELECTORBALANCE AMPDISCCDTUNERINPUT4INPUT5INPUT6BALANCE0/6.5dB SELECTABLE GAINAMP STAGE54dB ATTENUATOR2dB/STEP5dB TONE CONTROL1dB/STEPBIAMP HIGH PASS FILTER2,2.5,3,3.5dB SELECTABLE GAINAMP STAGE30dB ATTENUATOR10dB/STEPBY PASS, 40, 60, 80, 100HzPRE OUT1PRE OUT2STEREO/MONOSWITCH2. PREAMP SIGNAL PATHLEFT CHANNELRIGHT CHANNEL3-10