The Onkyo TX-6500MKII is a stereo receiver that was produced by Onkyo in the 1970s. It features a woodgrain design and has a power output of around 40 watts per channel. The receiver includes options for connecting turntables, tape decks, and other audio sources. It also has built-in AM/FM radio tuners and tone control knobs for adjusting the sound. The TX-6500MKII is known for its solid build quality and warm sound signature.