3 Sylvania 6AU5 6AU5GT Vacuum Tubes Valves NOS NIB Lot Of Three August 30 2022

3 Sylvania 6AU5 6AU5GT Vacuum Tubes Valves NOS NIB Lot Of Three August 30 2022There are three new old stock, new in box Sylvania 6AU5GT tubes in this lot. 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

9 milliamps

new in box US-made 117L7GT / 117M7GT tubes tested to spec on our Paul Hart-calibrated TV7/U

Transconductance readings are 46

Tube One measured 46 while Tube Two measured 48 where minimum (65%) is 25

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

This matched pair of OTK-MANUFACTURED black glass 6V6GT output tubes was tested on our Maxi-Matcher 2 for shorts

(New 6SN7s typically test from 2600 micromhos and the Jackson expresses this in terms of a percentage

These tubes are the equivalent of the Chinese / Russian 6J1 and 6J2

66 and 68 where minimum (65%) is 45

There was no gas

Bogey: Minimum (65%) is 50/50

These lot of six new old stock