NOS tube set for the Hallicrafters S20R Sky Champion Start Price USD 29.70 Current Price USD 29.70 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Wednesday, November 26, 2008 End Time Friday, December 26, 2008 Location Wannaska, Mn See more about 'NOS tube set for the Hallicrafters S20R Sky Champion' Description A new  set of tubes for the S20R Hallicrafters Sky Champion receiver that used 80, 6f6, 6J5, 6SQ7, 6K8,  6H6, & 6SK7x3 type tubes  The 80 tube in this set may be a used checked tube, new ones are hard to come by and expensive Place a Bid!