The TRIAD MAGNETICS part SP-68 is an audio transformer designed to provide a 2.1:1 impedance ratio with a maximum voltage rating of 1000Vrms. It features a primary DC resistance (DCR) of 1KOhm and secondary DCR of 565Ohm/650Ohm. With 6 terminals and PC pin through-hole mounting, this transformer is a reliable and efficient choice for audio applications.