They make lamps here! Western Electric has published a video clip about the production process of the legendary original 300-B electric vacuum tube, a new edition of which will soon go on sale.
Production is concentrated in the United States at Western Electric’s own factory called Rossville Works. All production equipment has been completely updated, but the famous straight-channel triode is produced according to the original drawings and is the same lamp that has managed to conquer all audio fans since 1938. The price of one copy of the WE 300-B will be 699$, a matched pair will cost 1,499$.