General Electric GE 18GB5 Vacuum Tube NOS NIB Gebraucht 4AU6 4AU6A new in box Hytron 5W4

new in box Hytron 5W4 rectifier tube tested to spec on our Paul Hart-calibrated TV7/U tube tester

64 and 70 where minimum (65%) is 49

They are microphonic and are fine in the preamp stage of my MP-301 and other gentle environments

see-through holes on the plates

There were no shorts or gas and their readings are as follows:

General Electric GE 18GB5 Vacuum Tube NOS NIB Gebraucht 4AU6 4AU6A new in box Hytron 5W4This GE 18GB5 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