2 Silvertone 6AU4 6AU4GTA Vacuum Tubes NOS NIB Lot Of Two

2 Silvertone 6AU4 6AU4GTA Vacuum Tubes NOS NIB Lot Of TwoThis lot of two new old stock, new in box Silvertone 6AU4GTA 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

top mica spacers with smooth-sided rectangular bottom mica spacers

It sounds great with Pink Floyd's "Obscured By Clouds

1 milliamps and had a transconductance reading of 2560 micromhos

78 and 80 where minimum (65%) is 46 and 100% is 71

It is massively reinforced against vibration with three mica spacers as well as top wire snubbers

This tube is RCA-branded

It tested 64 in both sections where minimum (65%) is 40/40 and 100% is

These three Sylvania plate number 78 tube were tested on our Paul Hart-calibrated TV7/U for shorts

They are a tad microphonic and are fine for home use

new in box GE 11BQ11 tubes tested to spec in our TV7/U

I will test it

It measured 67/68 where minimum (65%) is 40/40 and 100% is 62/62