This is a long overdue post, as I have carried out these tests time ago but never got around to publish the results. Dorin from DvB transformers sent me a pair of his transformers for testing. These are great devices for amp input stages, particularly for a nice Spud amp using medium mu output stages with 6P15P or 6e5P for example. Either PP or SE output, this will give you a great solution for a minimalistic design: Continue reading “DvB (IN1166) input transformer test”