General Electric GE 3DJ3 Vacuum Tube Valve NOS NIB

General Electric GE 3DJ3 Vacuum Tube Valve NOS NIBThis GE 3DJ3 tube 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 $250 IN VALUE. IF AN ITEM IS MARKED

These three US-made milspec VR-150 / VT-139 / 0D3A tubes tested to spec in our Hickok 800

it has no gross issues such as hum or microphonics and will work excellently in your audio device that calls for a 12AT7

This matched pair of RCA steel plate 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U tester for shorts

4-17 188-5 and 2-48 188-5 date/provenance codes

It measured 96/78

These four US-made 12SC7 tubes tested as follows on our Paul Hart-calibrated TV7/U:

but I do not have a setting for it on our TV7/U

They tested to spec on that Paul Hart-calibrated TV7/U

new in box Sylvania 12AV7 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

I am playing them in my Musical Paradise MP-301 MK3 as I write and they sound excellent

This new old stock-testing matched pair of RCA 6BL7GTA dual triodes was tested on our TV7/U for shorts

I does not wind