Sylvania 6FV6 Vacuum Tube NOS NIB Geprueft T17 excellent silkscreening and 312 132

excellent silkscreening and 312 132 provenance/date codes

This lot of three RCA 6SF7 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

beefy black plates: three mica spacers for improved mechanical stability and low microphonics

coke-bottle-shape glass envelopes and terrific flashing

These thirteen US-made 5T8 tubes tested to spec on our Paul Hart-calibrated TV7/U

Sylvania 6FV6 Vacuum Tube NOS NIB Geprueft T17 excellent silkscreening and 312 132This new old stock, new in box Sylvania 6FV6 tested to spec on our Paul Hart calibrated TV7 U. 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