Colin Anderson wrote:

The Lecson Power amp has some pretty wierd driver stage transistors - The
numbers on them start with a D and no they're not 2s or anything else just a
D -but most of the rest is pretty standard (at least in the one I've got).

Some transistor manufacturers just leave off the 2S - does the
transistor type match up if you add the 2S to the number you have?

Cheers.

James.