5 General Electric GE 12DK7 Vacuum Tubes NOS NIB Lot Of Five EZ81 Rectifier

5 General Electric GE 12DK7 Vacuum Tubes NOS NIB Lot Of Five EZ81 RectifierThis lot of five new old stock, new in box GE 12DK7 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

WE CAN ONLY TEST FOR THE PARAMETERS MENTIONED IN THE LISTING

And though this tube tests two standard deviations from the mean

50 and 55 where minimum (65%) is 30

but I could find no settings to test it

new in box GE 6MN8 tube tested to spec on our Paul Hart-calibrated TV7/U

These nine RCA 17BE3 / 17BZ3 tubes tested to spec on our Paul Hart-calibrated TV7/U

Bottles: medium height

new in box GE 38HE7 tubes tested to spec on our Paul Hart-calibrated TV7/U

I am playing Easy Star All-Stars' "Dub Side of The Moon" in my Radio Craftsmen RC-2 amplifiers and they sound outstanding

They measured 39

This matched pair of RCA-MANUFACTURED 5Z4 rectifier tubes were tested on our Paul Hart-calibrated TV7/U for shorts

but also have much lower gain