General Electric GE 5727 Vacuum Tube NOS NIB

General Electric GE 5727 Vacuum Tube NOS NIBThis new old stock, new in box GE 5727 tube tested to spec on our Hickock 800. 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

new in box Sylvania 6SH7 tubes tested to spec on our Paul Hart-calibrated TV7/U

It measured a perfectly-balanced 42/42 where minimum (65%) is 40/40 and 100% is 62/62

This lot of five Toshiba-MANUFACTURED 8FQ7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

I am playing them in my Mini Mite 2013 and they sound great

Tube One measured 31 while Tube Two measured 32 where minimum (65%) is 22

new in box GE 6S4A tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box (for Tube One) matched pair of RCA 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U tester for shorts

nonetheless

Tube One measured 95%/93% and 95%/94% for Tube Two

This Sylvania milspec / industrial 5814 / 12AU7 / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

Tube One measured 60/50 while Tube Two measured 61/51 where minimum (65%) is 50/50 and 100% is 77/77

Plates: gray ladder plate