This receiver is why vintage audio is so in demand today. Great sound quality, top notch build quality and looks! In this video I will show you the repair, restoration, and bench testing of a vintage Marantz 2270 receiver. After almost 50 years it was time for this classic piece of audio history to be gone through. The electrolytic capacitors were replaced as well as the speaker relay. I adjusted the bias current and DC Offset and then this Marantz 2270 receiver was bench tested. It's a great sounding vintage Marantz receiver that is very reliable when updated. This Marantz 2270 receiver was well engineered and the build quality is excellent. Just having the proper tools can be the difference between a successful project and one that doesn't go well. I also talk about the data available from the capacitor manufacturers that state electrolytic capacitors have a limited life.
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