Burwen Research   1201A Dynamic Noise Filter  silver/walnut Style. Used untested , plugged in and green and red led's do light up when switches are depressed . Face plate is good minor scratch above  tape button very faint 

, right side  wood side panel has chipped laminate missing ( see picture )  on the rear  left side panel lamination has fallen off  not visible from side or front . Top has resudue from a decal .Unit is untested as is  . Was part of my dads hifi gear set up.