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5 Test New RCA Long Blackplate 12AU7 Tubes $20.50 USD Sold on: 2013-Feb-27 Marketplace: eBay  3 Treasure 0 Trash   100% Detail:Here are 5 test New USA Made ,RCA 12AU7 tubes . I found these tubes in 1949 RCA boxes, but i dont know if these boxes are original and if the tubes are new or used for a few hours.The tube boxes are a...  More Relevance Historical Items |
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