Tag Archives: corrosive glue

Luxman M-4000A Amplifier Repair & Restoration

A customer recently brought in his gorgeous matching Luxman M-4000A power amplifier and C-5000A preamplifier for restoration. This article looks at restoration of 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.… Read more

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 out of protection, or maybe a channel becomes intermittent.… Read more