4 US-Made 7C7 Vacuum Tubes Lot Of Four Gebraucht 6PPC copper support rods and graphite

copper support rods and graphite coatings for even electrostatic charge distribution and

Tube One measured 43 while Tube Two measured 46 where minimum (65%) is 32 and 100% is 49

This new old stock-testing matched pair of Sylvania-MANUFACTURED

Transconductance measured 68 for Tube One and 78 for Tube Two where minimum (65%) is 40 and 100% is 62

new in box Sylvania 9JW8 tubes tested to spec on our Paul Hart-calibrated TV7/U

4 US-Made 7C7 Vacuum Tubes Lot Of Four Gebraucht 6PPC copper support rods and graphiteThere are seven new old stock, new in box, US made 7C7 tubes in this lot. 25, 34, 48 and 62 WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN