Category Archives: Restoration

This category contains articles about the restoration of hi-fi equipment. This work is complex and these are typically my biggest jobs and longest articles.

Luxman C-5000A Preamplifier Repair & Restoration

A customer recently asked me to restore a gorgeous Luxman M-4000A power amplifier and a matching Luxman C-5000A preamplifier. In this article, we run through the C-5000A restoration.

You can read about my M-4000A restoration here. This post looks at the C-5000A, a rare and beautifully built preamplifier, from the somewhat enigmatic manufacturer, Luxman.

No Service Data

The Luxman C-5000A is so rare in fact that, despite searches and contact with the Luxman Yahoo group and the Luxman Vintage Audio website, there are no service manuals available for the ‘A’ series models.… Read more

ERA Mk 6 Belt-Drive Turntable Repair & Restoration

I recently was asked by a customer to restore her partner’s lovely old French ERA Mk 6 belt-drive turntable, as a surprise birthday gift. I was very happy to assist of course, and it gave me a wonderful opportunity to work on a deck I had never seen before. 

The ERA Mk 6 is a belt-driven deck from the early seventies.… Read more

Krell KSA-200S Class-A Amplifier Repair and Restoration

I am about to embark on a Krell KSA-200S Class-A Amplifier Repair and Restoration, in this case for a very good friend of mine.   

As many of you will know, the Krell KSA-200S is a beast of an amplifier, up there with the very best products Krell ever made. It is almost unliftable by one person, being hewn from solid slabs of steel and aluminium.… Read more

Marantz SM-80 Amplifier Repair & Restoration

In this second of two articles on the Marantz SC-80 preamplifier and SM-80 power amplifier, we look at the SM-80 power amplifier. Specifically I detail the work required to restore this amplifier back to full working condition. The earlier article looks at work done to matching Marantz SC-80 preamplifier.

The Marantz SM-80 stereo power amplifier is a reasonably powerful, well-made, mid-range consumer amplifier from around 1990.… Read more

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