3 General Electric GE 6SK7 Vacuum Tubes Lot Of Three LY88 Nonal

3 General Electric GE 6SK7 Vacuum Tubes Lot Of Three LY88 NonalThese three GE MANUFACTURED, GM BRANDED 6SK7 tested as good on our Paul Hart calibrated TV7 U. Transconductance readings are 44, 58 and 67 where minimum (65%) is 48. Tube Two probably has a piece of broken glass in it. It rattles but is otherwise OK. 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

new in box RCA 6HS5 tested to spec on our Paul Hart-calibrated TV7/U

black plates and nice hot-stamped bases

3 rather than 12

This lot of three Ken-Rad-MANUFACTURED 2A5G tubes tested 55

This RCA Cunningham Radiotron number / type 80 rectifier tube was tested on our Paul Hart-calibrated TV7/U

It measured a perfectly-balanced 52/52 where minimum (65%) is 40/40 and 100% is 62/62

Tubes Two and Three measured 1230/16

new in box RCA 6AS8 tube tested to spec on our Paul Hart-calibrated TV7/U

new in box RCA 5Z4 -- and another just like it -- tested to spec on on our Paul Hart-calibrated TV7/U

Zenith-LABELED 6AL3 / EY88 tube tested to spec on our Paul Hart-calibrated TV7/U

Admiral-BRANDED 5Y3GT rectifier tube was tested on our Paul Hart-calibrated TV7/U for shorts

new in box US-made 6AU8 / 6AU8A tubes tested to spec on our Paul Hart-calibrated TV7/U