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			Hi Folks! 
		
		
		
		
		
		
		
		
	
	Dumb Question #1: How can I test vacuum tubes without a tube tester? Namely, 6AK6, 6BE6, 6HR6, and 12AX7. Dumb Question #2: Is there a solid-state equivalent to these tubes? They are from an old Knight Star Roamer that keeps dying. Dumb Question #3: Is the above worth doing? Thanks for your help.~~Ray  | 
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