6 US-Made 1V2 Vacuum Tubes NOS NIB Lot Of Six Matched Pair 12AU7 Transconductance readings are 30

Transconductance readings are 30

It is a strange bird with well over an inch of space above the top mica spacer

This variety has black

Not for use in guitar and bass amps

They tested 50/38

6 US-Made 1V2 Vacuum Tubes NOS NIB Lot Of Six Matched Pair 12AU7 Transconductance readings are 30These six new old stock, new in box US made 1V2 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 UP TO