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

turretslug · 14th Sep 2017, 5:17 pm

I'm sure that there will be 5V relays around with mains-rated contacts that might swing in with 4V on them, especially if a little driver saturation voltage lee-way had been allowed for.... There's usually documentation somewhere out there with minimum operating voltage quoted.

14th Sep 2017, 5:17 pm	#8
turretslug Dekatron Join Date: Nov 2011 Location: Surrey, UK. Posts: 4,394	Re: EHT warm-up delay in pre-war sets I'm sure that there will be 5V relays around with mains-rated contacts that might swing in with 4V on them, especially if a little driver saturation voltage lee-way had been allowed for.... There's usually documentation somewhere out there with minimum operating voltage quoted.