UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - DIY18V DC power supply for Hacker Sovereign II

Boulevardier · 23rd Oct 2019, 1:48 am

That's neat! Do you get any zero-volume mains hum on the Hacker? They do seem to be quite sensitive to it (and I suppose with a PA input sensitivity of 50mV, they are entitled to be!). My RP25A has some from it's VP408, but I suppose with 50-year-old components, I need to check a few of them.

Mike

23rd Oct 2019, 1:48 am	#2
Boulevardier Octode Join Date: Sep 2017 Location: Bristol, UK. Posts: 1,654	Re: DIY18V DC power supply for Hacker Sovereign II That's neat! Do you get any zero-volume mains hum on the Hacker? They do seem to be quite sensitive to it (and I suppose with a PA input sensitivity of 50mV, they are entitled to be!). My RP25A has some from it's VP408, but I suppose with 50-year-old components, I need to check a few of them. Mike