2 General Electric GE 6JF6 Vacuum Tubes NOS NIB Lot Of Two Country

2 General Electric GE 6JF6 Vacuum Tubes NOS NIB Lot Of Two CountryThese two new old stock, new in box GE 6JF6 tubes 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

new in box RCA 12AJ6 tube tested to spec on our Paul Hart-calibrated TV7/U

This new old stock-testing US-made Radio Shack / Realistic Lifetime Gold Pin 5879 tube was tested on our Paul Hart-calibrated TV7/U for shorts

1 milliamps' plate current / 1220 micromhos

Transconductance was 1240 for Tube One and 1380 for Tube Two where new/nominal is within one standard deviation of 1900

Plate current draw was 25 milliamps for both tubes

new in box GE 6EB8 tubes tested to spec on our Paul Hart-calibrated TV7/U

Der Hirt Auf Dem Felsen

Tube One measured 64 while Tube Two measured 68 where minimum (65%) is 46

This matched pair of General Electric 12AU7A / ECC82 dual triodes was tested on our Hickok 600A for shorts

Tubes Three and Four measured 2400/2650 and 2800/3200

new in box RCA 0C3 regulator tube tested to spec on our Paul Hart-calibrated TV7/U

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