International Servicemaster 7AN7 PCC84 Vacuum Tube NOS NIB

International Servicemaster 7AN7 PCC84 Vacuum Tube NOS NIBThis new old stock, new in box England made International Servicemaster 7AN7 PCC84 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

harp getter with sheet) measured 44 while Tube Two (12B4A

new in box Zenith 6HA5 / 6HM5 tubes tested to spec on our Paul Hart-calibrated TV7/U

This new old stock-testing matched pair of Ken-Rad 6V6GT output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

top to bottom) 39

44 and 50 where minimum (65%) is 30 and 100% is 47

This is lot of three new old stock

Transconductance measured 59 in Section One and 66 in Section Two for Tube One and 67/58 in Tube Two where minimum (65%) is 50/50 and 100% is 77/77

They measured 46

It measured 57/56 where minimum (65%) is 40/40 and 100% is 62/62

This tube comes in a box typically seen for large corporate tube users wherein various

new in box GE 17JB6 tube tested to spec on our Paul Hart-calibrated TV7/U

This tube has top