G-9000DB - Sansui Receiver - Most Beautiful Ever? Repair Restoration Testing Vintage Stereo Audio

A Sansui G-9000DB stereo receiver repair, restoration and testing video. Old electrolytic capacitors and troublesome diodes were replaced. I discuss why old electrolytic capacitors should be replaced by providing manufacturers data. The power supply assemblies (F-2809 & F-2810) in the Sansui G-9000DB receiver were completely rebuilt. The tone control assembly (F-2799) was rebuilt. This Sansui G-9000DB built from 1978-1979 was then bench tested with an audio analyzer. This G-9000DB did more then 170 watts per channel on the test bench while easily beating the receivers total harmonic distortion (THD) rating. This was a restoration that after 40 years of service this vintage receiver needed. This Sansui G-9000DB receiver now sounds great and will be reliable for decades to come. 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