UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Mullard 5-10 amplifier

Techman · 24th Jun 2019, 11:54 am

Just looked at the circuit and the volume control which is a 250K pot is right on the output of the head unit and would actually ground the grid of the first stage (EF86) of the power amp, but it looks like there may be a resistor stopping it doing so.

24th Jun 2019, 11:54 am	#90
Techman Dekatron Join Date: Nov 2009 Location: Lincolnshire, UK. Posts: 5,000	Re: Mullard 5-10 amplifier Just looked at the circuit and the volume control which is a 250K pot is right on the output of the head unit and would actually ground the grid of the first stage (EF86) of the power amp, but it looks like there may be a resistor stopping it doing so.