UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - EHT warm-up delay in pre-war sets

Panrock · 14th Sep 2017, 5:24 pm

The attraction of merlinmaxwell's reed relay is that it can actually switch at EHT voltages. Unfortunately mains switching of the EHT transformer input isn't an option here because a feed from this energises the timebase heaters.

14th Sep 2017, 5:24 pm	#9
Panrock Nonode Join Date: Feb 2005 Location: Worcestershire, UK. Posts: 2,535	Re: EHT warm-up delay in pre-war sets The attraction of merlinmaxwell's reed relay is that it can actually switch at EHT voltages. Unfortunately mains switching of the EHT transformer input isn't an option here because a feed from this energises the timebase heaters.