ThisisoneHiFiPHONOpreamp.Iamre-designitreferDENON-AVR-2310CIAVamplifier(that'saoldclassicAV-amplifieronedayiboughtitfromFleaMarketafterifindthePHONOfunctionisverygoodsoikeepit)usingabetterOPchip.JRCOPchip.a