Lansdale Tube Company 5963 / 12AU7 / ECC82 Vacuum Tube Valve Industrial-Grade For Your Univalve Or Bottlehead February 19 2024 S5E and 913 date codes

S5E and 913 date codes

These three RCA 6MD8 tubes are new old stock

THIS TUBE'S CENTERING PIN IS MISSING AND IT HAS BEEN MARKED FOR SAFE AND EASY INSERTION

new in box Sylvania 50Y6GT tubes tested to spec on our Paul Hart-calibrated TV7/U

Lansdale Tube Company 5963 / 12AU7 / ECC82 Vacuum Tube Valve Industrial-Grade For Your Univalve Or Bottlehead February 19 2024 S5E and 913 date codesThis Lansdale 5963 12AU7 ECC82 dual triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and it tested as follows: 77 72 where minimum (65%) is 50 50. This tube has steel support rods; a top, square, corner anchored getter; an acid etched bottle; gray plates with two rectangular holes per plate and good flashing. Landsdale was the in house tube manufacturing division of Philco. In the