... transformer 1 toroidal transformer 2 amplifier transformer 3 integraded amplifier 4 electrical Product Description for Toroidal transformer ... Professional power supply transformer used for the field of pro-amplifier, audio system, home electrical appliance, lighting, Medical ... Standard:a. 115/230 Primary &120/240 Primary Toroida32l Transforme30r Series 100VA~3000VA b. Primary 100V, 115V, 120V, 230V, ...