Jensen has some really good application papers talking about audio transformers. By induction, one might get an idea of why they cost so much -- same reason why other "pro" stuff with a reputable name also costs a lot. http://www.jensen-transformers.com/an/Audio%20Transformers%20Chapter.pdf Audio Transformers - Bill Whitlock Chapter 11 (3MB PDF) >From the "Handbook for Sound Engineers" Third Edition. http://www.jensen-transformers.com/an/generic%20seminar.pdf Generic Student Seminar Handout (1.44MB PDF) A generic version of the student handouts from Mr. Whitlock's seminars http://www.jensen-transformers.com/an/an003.pdf Interconnection of Balanced and Unbalanced Equipment http://www.jensen-transformers.com/an/an004.pdf Hum & Buzz in Unbalanced Interconnect Systems -- Niels http://nielsmayer.com _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user