Four Ruby Shuguang 12AX7AC5 Vacuum Tubes NEW 12AX7 lo-noise, hand selected $23.50 USD Sold on: 2013-Feb-28 Marketplace: eBay ![]() 1 Treasure 0 Trash ![]() ![]() Set of four Ruby 12AX7AC5 tubes, brand new and in white boxes. These tubes are all factory tested and part of a fresh OEM bulk lot. You can buy with confidence that these tubes will not be microphonic... ![]() More Relevance Historical Items
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