Excellent quad of NOS / NIB F2A tubes by Siemens & Halske $1425.00 USD Sold on: 2014-May-07 Marketplace: eBay 9 Treasure 0 Trash 100% Detail: For sale is a beautiful and matching quad of Siemens NIB and unused F2A power tubes. All are brand new, with original, older Siemens & Halske boxes and were tested on my Neuberger RPM370 tester wi... More Relevance Historical Items
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