For bigger tubes like 300B, 2A3, 45 etc we recommend Fedex shipping rather than regular airmail. Shipping rate of a pair of power tubes are starting at: East Asia: $14-19 Australia & South Asia $30 Europe : $29-32 North America : $31 Russia : $39 We offer discount for the second pair. Please inquiry.
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 […]