Luxman M-4000A Amplifier Repair & Restoration

I recently restored this gorgeous Luxman M-4000A power amplifier and matching C-5000A preamplifier. Let's start with the beautiful M-4000A. Apparently, the legendary Tim De Paravicini designed the original M-4000. The improved and even rarer Luxman M-4000A probably also came from De Paravicini's hand, but nobody seems to know for sure.…

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The Sansui Corrosive Glue Problem

The infamous Sansui corrosive glue problem is one that affects many vintage hi-fi amplifiers and other equipment. Resolving issues caused by this glue is time-consuming, but essential. You maybe familiar with the scenario - over time, your favourite Sansui (or other) amplifier starts to develop faults. Maybe it won't come…

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