UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Noise issue with DIY variable PSU and audio amplifier

Terry_VK5TM · 4th Dec 2022, 9:43 pm

It would help if we knew where the "hum" was coming from.

Does it come out of the speaker, is something else "humming" - the transformer perhaps.

4th Dec 2022, 9:43 pm	#14
Terry_VK5TM Nonode Join Date: Oct 2010 Location: Tintinara, South Australia, Australia Posts: 2,340	Re: Noise issue with DIY variable PSU and audio amplifier It would help if we knew where the "hum" was coming from. Does it come out of the speaker, is something else "humming" - the transformer perhaps. __________________ Terry VK5TM https://www.vk5tm.com/