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vinrads · 16th Mar 2018, 4:55 pm

Now that's a good question Chris , I thought it may be some kind of buffer stage but it works, remove the valve no sig join the anode and grid with 1000pf cap very low signal , Mick.

16th Mar 2018, 4:55 pm	#19
vinrads Dekatron Join Date: Feb 2009 Location: Chesterfield, Derbyshire, UK. Posts: 3,763	Re: Supersonic Heterodyne radio 1920's. Now that's a good question Chris , I thought it may be some kind of buffer stage but it works, remove the valve no sig join the anode and grid with 1000pf cap very low signal , Mick.