Harman Kardon Model HK670 Integrated Amplifier Preliminary Technical S – Electronic Service Manuals
AVR 2700 | HD 7.1-channel AV Receiver with Airplay & HDMI
Absolutely cannot believe my luck! Found this Harmon Kardon HK6100 for free on Facebook and picked it up off someone's lawn! Gave it a good clean and sounds terrific! : r/vinyl