Vintage 1940 RCA 6A3 Vacuum Tube $27.60 USD Sold on: 2013-Feb-04 Marketplace: eBay 1 Treasure 0 Trash 100% Detail: Up for auction is a 1940 RCA vacuum tube with black plates. This tube was tested on a Sencore TC-31 tube tester and tested good with no leaks or shorts. Please, look at the above pictures and you be t... More Relevance Historical Items
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