Line Magnetic 845ia SET amp, Acme 845, driver Tungsol 7581 , preamp tube tesla 803s nos.Internal caps Jupiter copper and V-cap ODAM. Duelund tinned copper interconnect,Duelund speaker wire, Coherent GR10 full range speakers. Internal wiring Duelund tinned copper 16ga for low, 20ga for high frequency, jupiter cap and duelund tinned copper / sylver bypass cap in crossover. Piezo film super tweeter.Cayin 17a tube CD player.