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PAIR SYLVANIA METAL BASE 6SN7W 6SN7 VINTAGE VACUUM TUBES HICKOK 539C TEST STRONG $365.00 USD Sold on: 2013-Jan-04 Marketplace: eBay ![]() 7 Treasure 0 Trash ![]() 100%For auction is a pair of 1940s production Sylvania Metal Base 6SN7W military (JAN-CHS-6SN7W) tubes. The suffix "W" in the part number denotes the rugged version tubes made for military. The tubes are ... ![]() More Relevance Historical Items
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