8 Philco 7B8 Vacuum Tubes Lot Of Eight June 8 2022 anode radiators for cooler operation

anode radiators for cooler operation and longer tube life and saucer getters

new in box US-made 6BN4 / 6BN4A tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box Western Electric KS-8678 capacitor tested 280 uFds

This new old stock-testing matched quad of Sylvania 7A7 tubes was tested on our Hickok 800 and all measured 1900 micromhos where new/nominal is 2000 and minimum (65%) is 1300

It measured 78/80 where minimum (65%) is 50/50 and 100% is 77/77

8 Philco 7B8 Vacuum Tubes Lot Of Eight June 8 2022 anode radiators for cooler operationThese eight Philco 7B8 tubes tested as follows on our Paul Hart calibrated TV7 U where minimum (65%) is 29 and 100% is 45: 30, 32, 36, 36, 38, 39, 40 and 42, respectively. 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