(4) U.S. 7591 Power Tubes TV-7 Tested Excellent Overall! $63.00 USD Sold on: 2012-Sep-04 Marketplace: eBay 3 Treasure 0 Trash 100% Detail: For sale is a quad of 7591 power tubes made by Westinghouse and Tung-Sol. These tubes all test well above minimum with some flashing wear but very good. All have single halo getters. One Westinghouse ... More Relevance Historical Items
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