Sylvania Number / Type 48 #48 Vacuum Tube Engraved / Stamped Base NOS-Testing KSBS 2034 new in box Sylvania-MANUFACTURED

new in box Sylvania-MANUFACTURED

striking at 75 where minimum is 40

This Lorenz 6AQ8 / ECC85 tube was tested on our Paul Hart-calibrated TV7/U for shorts

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

rectangular top mica spacer and a smooth

Sylvania Number / Type 48 #48 Vacuum Tube Engraved / Stamped Base NOS-Testing KSBS 2034 new in box Sylvania-MANUFACTUREDThis new old stock testing Sylvania engraved base type 48 tube was tested our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 80 where minimum (65%) is 50 and 100% is 77. It has a sheet getter; an anode radiator for cooler operation and longer tube life and a banded cross top mica spacer. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY