General Electric GE 9GV8 Vacuum Tube NOS NIB Igor Zhukov Feigin new in box Zenith 6HA5

new in box Zenith 6HA5 / 6HM5 tubes tested to spec on our Paul Hart-calibrated TV7/U

This RCA 0A4G regulator tube tested to spec on our Paul Hart-calibrated TV7/U

nice flashing and ribbed

they were very brittle

each having four stamped crosses: two upside-down and two right-side up

General Electric GE 9GV8 Vacuum Tube NOS NIB Igor Zhukov Feigin new in box Zenith 6HA5This new old stock, new in box GE 9GV8 tube and one other just like it tested to spec on our Paul Hart calibrated TV7 U. Three are available initially in this Dutch Auction. Etsy will tell you how many remain. 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