Bruce,
Check out this update an ARC and KT-150's. You have your answer.
http://audioshark.org/audio-research-corporation-arc-36/arc-amps-kt150s-6541.html#post110085
Check out this update an ARC and KT-150's. You have your answer.
http://audioshark.org/audio-research-corporation-arc-36/arc-amps-kt150s-6541.html#post110085