NOS 1962 Western Electric 412A Audio Rectifier Vacuum Tube

NOS 1962 Western Electric 412A Audio Rectifier Vacuum Tube Introduction

A Western Electric 412A 1962 rectifier vacuum tube, with original WE-marked longer-version blue and white box, and with original WE factory brown packing. Tests NOS, unused except for our testing. Has date code '6239' (39th week of 1962). Tube is marked with 'Western Electric 412A MADE IN U.S.A. 6239'. Tested on calibrated Hickok Cardmatic 123R tube tester with results: Remaining Life - passes cathode activity test, Leakage - passes test, Quality - 75, well within NOS range for this Cardmatic tester, Gas - passes test, Shorts - none, passes test. All pictures are of the 412A tube for sale. Large rectangular angled getter, black plate, flashing excellent, tube is unused except for our testing. Very crisp, as-new well-marked logo. Original and correct WE blue and white box in very good condition, box is marked '412A' and '6239' which matches tube date code. This rare WE 412A tube set came from a Canadian communication company's reserve stock department, and a one-page detailed written provenance is included. See our other sale items for rare Western Electric and Siemens and Philips tubes and other audio equipment. $185 or best offer. Will deliver free to your door in Regina area, curbside pickup available, shipping available.