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

McMurdo · 30th Oct 2018, 11:57 pm

Check the condition of the valveholders, if the McMurdo ones are fitted, the forked pins can fracture right inside and leave the pin disconnected.

I assume all the valves light ok, the type of valves used in the DAC90A can lose their vacuum but leave the heater chain intact.

30th Oct 2018, 11:57 pm	#23
McMurdo Dekatron Join Date: Jun 2009 Location: Staffordshire Moorlands, UK. Posts: 5,274	Re: Bush DAC90A sound problem Check the condition of the valveholders, if the McMurdo ones are fitted, the forked pins can fracture right inside and leave the pin disconnected. I assume all the valves light ok, the type of valves used in the DAC90A can lose their vacuum but leave the heater chain intact. __________________ Kevin