A common way to test the tube is to measure the plate current at a certain voltage. However that measurement cannot tell the whole picture. Therefore we test our tubes in a better way – using a curve tracing test.
Mesh plate 300B was developed in 2001. It’s one of the most matured tubes from TJ. It is popular for its warm sound. This was the one reviewed in EnjoyTheMusic.com. Mesh plate 300B is available in globe shape and ST (dome) shape. 300B/SE was developed in 2005. “Our panel agreed that the new carbon plate SE […]