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Luxman M-4000A Amplifier Repair & Restoration

18 Comments / Restoration & Overhaul, Amplifiers, Repair / /

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. UPDATE: Check out my recent […]

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The Sansui Corrosive Glue Problem

8 Comments / Amplifiers, Rants, Repair / /

The Sansui corrosive glue problem affects many vintage amplifiers and other equipment. Resolving the issues caused by this glue can be time-consuming. You may be familiar with the scenario: over time, your favourite Sansui (or other) amplifier starts to develop faults. Maybe it won’t come out of protection, or maybe a channel becomes intermittent. These

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