UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

wd40addict · 14th Sep 2019, 12:19 pm

If you have one to hand try temporarily replacing the 2u electrolytic with a nonpolarised polyester or similar.

Also do add 0.22uf in parallel with your 0.47uf to get full benefit of hum reduction. Note the hum reduction caps should be rated at least 500VDC and preferably more.

14th Sep 2019, 12:19 pm	#22
wd40addict Octode Join Date: May 2009 Location: Stevenage, Herts. UK. Posts: 1,518	Re: Yet Another Bush TV22 If you have one to hand try temporarily replacing the 2u electrolytic with a nonpolarised polyester or similar. Also do add 0.22uf in parallel with your 0.47uf to get full benefit of hum reduction. Note the hum reduction caps should be rated at least 500VDC and preferably more.