3 Sylvania 10GK6 Vacuum Tubes NOS NIB Lot Of Three May 25 2020

3 Sylvania 10GK6 Vacuum Tubes NOS NIB Lot Of Three May 25 2020These three new old stock, new in box Sylvania 10GK6 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

Transconductance measured 3100 micromhos with a plate current draw of 37

gas and transconductance on our Paul Hart-calibrated TV7/U as well as a Hickok and a Superior

ironically reflect the communist dictum of "The capitalists will sell us the rope with which we hang them

This paperback book is in very good condition

Rectifier 35W4

new in box US-made 6F7 tubes tested to spec on our Paul Hart-calibrated TV7/U

They tested as follows: 60

a silkscreened base

two are industrial versions

I am playing them as I write in my Sound Craftsmen SC-2 mono-block amplifiers with Neil Young's "Harvest" and they sound outstanding

41 and 41 where minimum (65%) is 25

They tested (from left to right) as follows: 35 and 52 where minimum (65%) is 40 and 100% is 62