UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Dropping mains voltage to mains transformer approx 20V

PJL · 11th Mar 2017, 9:38 pm

Take a small 250V/20V transformer and wire it in series but out of phase with the primary winding. I use this technique for 220V European radios. It's called a bucking transformer.

11th Mar 2017, 9:38 pm	#2
PJL Dekatron Join Date: Sep 2005 Location: Seaford, East Sussex, UK. Posts: 5,997	Re: Dropping mains voltage to mains transformer approx 20V Take a small 250V/20V transformer and wire it in series but out of phase with the primary winding. I use this technique for 220V European radios. It's called a bucking transformer.