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

Bookman · 9th Feb 2018, 4:32 pm

I have a couple of these that I use in the hotel. 4.5V seems low and ought to be checked. Mine used to operate with the old 9V Transistor battery pack but I changed this to a rectified source I knocked up.

9th Feb 2018, 4:32 pm	#5
Bookman Hexode Join Date: Aug 2017 Location: Taunton, Somerset, UK. Posts: 318	Re: Repairing electromagnetic bell I have a couple of these that I use in the hotel. 4.5V seems low and ought to be checked. Mine used to operate with the old 9V Transistor battery pack but I changed this to a rectified source I knocked up.