RCA MI-11713 Line (Matching) Transformer Primary 600 /150Ω to 600/150Ω RecordingRCA MI-11713 Line (Matching) Transformer Primary 600 /150Ω to 600/150Ω Recording

RCA MI-11713 Line (Matching) Transformer Primary 600 /150Ω to 600/150Ω Recording,came in box marked tested working sold around 20 items from same box all were good..