Adaptor Headshell for. 505, 505-1, 506-1, 508, 528, 607, 608, 617Q, 627Q, 708Q, 728Q, 741Q, 1254, 1258, 1268. Will fit Dual turntables with the following model numbers Each wire is color coded. Wires are made of oxygen free copper (OFC) for a cleaner sound.