This is for 1 piece of a Audio Transformer as pictured. 500 Ohm input 20 ma and 1125 Ohm 11 ma output. It measures 1 1/2" x 1 1/2 x 2 1/4". This transformer was used in a Daystrom Instrument Product...
ANY QUESTIONS I CAN BE REACHED TOLL FREE IN THE USA AND CANADA AT: 1 866 4 -- APEX JR. -- 1 866 427-3957