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Chris Groppi is a radio astronomer and electrical engineer working as an assistant professor at Arizona State University. He received his Bachelor's degree in astronomy from Cornell University in 1997, and his Ph.D. in astronomy with a concentration in electrical engineering from the University of Arizona in 2003. He studies how stars and planets form, and designs and builds millimeter-wave and terahertz receivers for radio telescopes. He became interested in HiFi during high school the first time he listened to a real high-end system (B&W 801s with Mark Levinson electronics). His first system in college was a Headroom headphone amplifier powering Sennheiser HD 580s, and graduated to a real HiFi system in graduate school. His first love has always been 2-channel audio, although his current system has added home theater capability.