Harman Kardon Vintage 1976 HK503 Integrated Amplifier 40WPC December 21, 2020 by mercury A rare model in good condition and working well. I can play it for you. Power output: 40 watts per channel into 8Ω (stereo) Dimensions: 425 x 134 x 260mm Weight: 9.4kg Year: 1976 Original Price: USD …
