7 US-Made 5U8 Vacuum Tubes Lot Of Seven Rozhdestvensky

7 US-Made 5U8 Vacuum Tubes Lot Of Seven RozhdestvenskyThese seven US made 5U8 tubes tested as good on our Hickok 800. 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 VALUE. IF AN ITEM IS MARKED

mica snubbers for increased rigidity and lowered microphonics and excellent flashing

67 and 72 where minimum (65%) is 49

new in box CBS-Hytron 12BZ7 tube tested to spec on our TV7/U

hanging filaments and outstanding flashing

It portended growth but alas we got suicide and embezzlement instead

They measured 102/83 for Tube One and 104/78 for Tube Two where minimum (65%) is 57/57 and 100% is 88/88

new in box RCA 6GF7 / 6GF7A tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box milspec GE 6C4 6C4WA triodes was tested on our Paul Hart-calibrated TV7/U for shorts

Tube Two has a narrow crack in its base which

This Super Silvertone 6J7G tube was tested on our Paul Hart-calibrated TV7/U for shorts

nicely-matched pair of General Electric 12AU7/ECC82 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

This tube tested above spec for plate current draw and below spec for transconductance