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

FERNSEH · 29th Aug 2017, 11:03 pm

"I can't see why you would need a different tap for DC vs the same RMS AC.
Not for the heater chain anyway."

Certainly as for as the heaters are concerned it shouldn't matter if it is AC or DC mains. I've always been aware of the lower ohmic values of the HT sections of the mains dropper but this the first time on any forum that there has been any discussion about the subject.

DFWB.

29th Aug 2017, 11:03 pm	#103
FERNSEH Dekatron Join Date: Mar 2005 Location: Gateshead, Tyne and Wear, UK. Posts: 7,444	Re: Pilot PT650 "Spacemaker" Television "I can't see why you would need a different tap for DC vs the same RMS AC. Not for the heater chain anyway." Certainly as for as the heaters are concerned it shouldn't matter if it is AC or DC mains. I've always been aware of the lower ohmic values of the HT sections of the mains dropper but this the first time on any forum that there has been any discussion about the subject. DFWB.