hello Kalali ,
You are right about the 600 Ohm , sorry fellow audiogonners for the wrong figure I give . When I got the Sphinx poweramps I thought 600 Ohm to 600 Ohm no problem , but ARC poweramps all have 100 k input imp to be sure about the lower registers .
You are right about the 600 Ohm , sorry fellow audiogonners for the wrong figure I give . When I got the Sphinx poweramps I thought 600 Ohm to 600 Ohm no problem , but ARC poweramps all have 100 k input imp to be sure about the lower registers .