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A lot of questions have been asked about when a tube is made, so here you go, a quick guide on how to decipher the date codes.

For the most European tubes made after 1955 date codes are located on the bottom of a side wall of a tube (not always the case) In this case it’s B0D (this is for Mullard, Blackburn – 1960 – April) The code is broken down into 3 or 4 characters.

Most popular factory codes: Next step would be consider which Change Code the tube has been developed under.

Taa STracking Core();\nvar Rover Sync Dropped = true;\nvar _plsubt Inp=;var _pls UBTTQ=[];var Taa SId Map Tracker Obj = new Taa SId Map Tracker(); Taa SId Map Tracker Obj.rover Service(\u0022https://com/idmap/0?

Obviously goes as 1=first week, 2= second week, etc.

Some documents and other sources I have researched indicate this week code was only added from 1961 onwards.

This Russian-made version features long plates, a dual post dish getter, and gold pins.Finding the code could be very easy, but occasionally it’s quite challenging.Start with naked eye and if you can’t find it use magnifying glass.The reissue Genalex Gold Lion ECC83 / B759 tube is New Sensor's modern-day effort to recreate the renowned sound signature of the vintage European original.This Russian-made version features long ribbed plates, a dual post dish getter, and gold pins.However, this valorous visitation of a bygone vexation stands vivified, and has vowed to vanquish these venal and virulent vermin, van guarding vice and vouchsafing the violently vicious and voracious violation of volition.

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