Bi-amp questions

[fpitas]

I used to use a regular SS amp (SLA-1) for the horns in my system (511s with Radian 475 drivers), but now use a First Watt J2, which sounds worlds better. The J2 is class A, so perhaps that is part of the magic. Certainly a regular class AB SS amp, even a very good one, is not designed to work its best at the 50mW sort of level a horn requires, but the class A amp distortion just gets better at low levels:

http://www.firstwatt.com/pdf/prod_j2_man.pdf