I do not own Heresy III's but do own Heresy I's and II's. I am driving my HI's with a 2004 NAD T773 AVR and my HII's with an Integra DTM-40.4 network stereo receiver. Both sound excellent in their specific systems and rooms. In my experience, both the HI and HII are not amplification picky and have sounded great with many different brands(Marantz, NAD, Onkyo/Integra, Acurus, Luxman, Cambridge Audio, Denon, Sunfire, Anthem, etc) that I have used over the years.
With all that said, I see no reason why a Marantz 1152DC/Klipsch Heresy III combo should not sound pretty darn good unless the 1152DC has issues.
Bill
With all that said, I see no reason why a Marantz 1152DC/Klipsch Heresy III combo should not sound pretty darn good unless the 1152DC has issues.
Bill