Category Archives: Restoration

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

Krell KSA-150 Amplifier Repair & Restoration

This video documents my comprehensive overhaul and restoration of a gorgeous Krell KSA-150 class-A power amplifier.

This wonderful KSA-150 developed a serious fault at some point in the past. This had been quickly fixed and was sold to me in very poorly repaired condition. Because of this, I decided to completely overhaul the amplifier and restore it back to factory condition, using original spec or better parts.… Read more

Sansui AU-717 Integrated Amplifier Repair & Restoration

I recently restored a gorgeous Sansui AU-717 integrated amplifier. This AU-717 was not running properly and was in serious need of some TLC.

The Sansui AU-717 integrated amplifier is one of those pieces that I just love working on. Sansui designed and built the AU-717 at a time when labour was cheaper. Money went into build quality, parts and layout.… Read more

Krell KSA-150 Class-A Power Amplifier Restoration

A couple of years back I performed a comprehensive tear-down, overhaul and upgrade of my gorgeous Krell KSA-150 power amplifier. I made a video of it, which you are most welcome to check out.

There’s not much you can buy that can touch the performance of a class A amplifier of this quality – let’s face it – the Krell KSA-150 was ten grand – in the early 90’s!… Read more

Musical Fidelity Tri-Vista SACD Player Restoration & Modification

I have just finished the restoration and modification of a Musical Fidelity Trivista SACD Player for a client in Alice Springs.

This particular Musical Fidelity Trivista SACD Player was to receive an update of critical signal path and DAC electronics and involved changing many dozens of parts, including eight op-amps and what seemed like hundreds of electrolytic and ceramic capacitors!… Read more

Kenwood L-07D Direct Drive Turntable Repair & Restoration

Finally, the Kenwood L-07D I have been restoring is repaired and working perfectly.

I completed a very thorough overhaul and restoration on the deck after it arrived not functioning correctly. The platter was over-speeding and there were other operational malfunctions.

I decided that it would be a great project to restore this beautiful piece of equipment.… Read more