domestic audio transformer: 1.customized welcome; 2.durable in use; 3.input: ... ,1w,0.5w,0.25w, 4.output:C,8ohms domestic audio transformer :EI size reange:EI35*13input :25V, C,2w,1w ... circuit, air-conditioning and so on;bobbiin: material: PBT; EI35*13 EI-35*13 type domestic audio transformer