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			Hi David 
 
I am not a radio tech by any stretch but the normal method of testing tube receivers was to check each  stage at a time . They used to use a VTOM , VTVM or oscilloscope and compare the readings of each stage to the figures found in the service manual. Maybe you could measure the stages of your receivers and compare them and get an idea of where the problems are.
		 
		
		
		
		
		
		
			
				__________________ 
				1940 cab 11 C8 
1940 Morris-Commercial PU 
1941 Morris-Commercial CS8 
1940 Chev. 15cwt GS Van ( Aust.) 
1942-45 Jeep salad
			 
		
		
		
		
		
			
				  
				
					
						Last edited by Mike K; 15-04-21 at 07:10.
					
					
				
			
		
		
		
	
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