I finally set up my dad's stereo setup after years of having the equipment in my room. All 80s Onkyo gear, except for the speakers, which were Bang and Olufsens I found
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Onkyo TX-NR5100 (80W/Ch) 7.2 Channel Receiver
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Onkyo TX-SR494 7.2 Ch AV Receiver | PSB Alpha T20 Series 5.1 Speaker Bundle #3 – Black Ash Onkyo TX-SR494 7.2 Channel Built-In Bluetooth A/V Receiver| PSB Alpha T20 Series 5.1 Speaker