People get caught up in new units or vintage high priced silverface. Don't overlook good black face era. Onkyo Tx-850 : r/BudgetAudiophile
i cant get enough of listening to my new 80's Onkyo stereo amplifier receiver bought for 50 dollars and i just got the top unit for 20 dollars just testing the upper
Tuner Amplifier Service Manual *Original* – Vintage Audio Store - Vintage Service Manuals, Stereo Brochures and Parts