antanask

Responses from antanask

Vibration noise from toroid transformer. Is it possible to get rid of it?
Hi, I'm sorry to buy such a toroidal transformer. I was looking for a similar, but originally in Amplimo potted power toroidal trasformer - I did not find ... so I myself immersed two toroidal transformers into one cover and covered with epoxy ...... 
Vibration noise from toroid transformer. Is it possible to get rid of it?
Hi,Thank you for responce. First capacitor is 4 uF.This is a link to the schematic of my PSU:https://ibb.co/nvVTSG I also had hum problem during the first 35-45 sec after turning up of ampl but when I rearrange the heating of 300B XLS to DC  hum i...