Telefunken PCL81 PCL-81 Vacuum Tube Valve NOS NIB 40KG6A T11 This lot of seven US-made

This lot of seven US-made 12B4A tubes were tested on our Paul Hart-calibrated TV7/U for shorts

Transconductance measured 55 for Tube One and 60 for Tube Two where minimum (65%) is 40

There were no shorts or gas and it tested as follows:

This GE-MANUFACTURED

There is a crack in the base

Telefunken PCL81 PCL-81 Vacuum Tube Valve NOS NIB 40KG6A T11 This lot of seven US-madeThis new old stock, new in box Telefunken PCL81 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