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 KAV-150a Power Amplifier Repair & Restoration

This beautiful Krell KAV-150a power amplifier is the partner of the KAV-300i I restored last year. Come along as I repair and restore this one.

The Krell KAV-150a is another product from Krell’s more affordable KAV line, from the mid 90’s. Whilst certainly more affordable, this gear is most definitely not cheaply built, sharing the same stunning machined aluminium casework and stainless steel fasteners as other Krell gear.… Read more

Marantz 1152DC Integrated Amplifier Repair & Restoration

How’s this for a beautiful amplifier. I recently repaired and restored this absolutely stunning Marantz 1152DC integrated amplifier, let’s take a look.

The Marantz 1152DC is an integrated amplifier from the upper middle of Marantz’s range in the late 1970’s. The 1152DC and others from this series are very collectible now, thanks to their unique looks, great sound and Marantz’s famous build quality. … Read more

Krell KRC-HR Ultimate Preamplifier Restoration & Repair

Welcome back audio friends. Come with me this time, as I dive deeply into the repair and complete restoration of one of the best solid state preamplifiers of all time – the magnificent Krell KRC-HR.

NOTE – for a bunch of different shots and angles, check  out my detailed Krell KRC-HR video overview!

If you’re reading this, you’ve probably heard of Krell and know something about the incredible range of premium, industrially constructed gear they made throughout the 1980’s and 1990’s.… Read more

Epic Sansui G-9000DB Monster Receiver Overhaul Video

Come along as I run through the service, repair and overhaul of one of the biggest, meanest monster receivers ever – the Sansui G-9000DB Stereo Receiver!

Yes, this thing is officially silly, 170 watts per channel of oval capacitor madness! In this video, I basically run through the service process from first unveiling the beast, to final testing.… Read more

Marantz 2330 Monster Receiver Restoration & Repair

Monster receivers – if you follow my site you’ll know I love them, kind of. Nothing screams statement hi-fi gear louder than the classic monster receivers of the 70’s and 80’s and this Marantz 2330 is up there with the best of them.

The Marantz 2330 is a heavy receiver, actually very heavy for its moderate size – it’s dense.… Read more

Marantz 2330 Monster Receiver Overhaul Video Teaser

Check out this video I made showing before and after overhauling this incredible, super-rare Marantz 2330 receiver.

First part of the video shows me opening the Marantz 2330 up for the first time and discovering the terrible state she was in. Second part shows after the overhaul I’ve just finished.

A full article on the Marantz 2330 will drop in the next few days, but can you believe people started offering to buy this baby as soon as I posted the video!… Read more

Krell KAV-300i Integrated Amplifier Repair & Restoration

I’ve just repaired and restored this lovely Krell KAV-300i integrated amplifier. Read on to find out how I did all that, and why the KAV-300i is such a superbly engineered amplifier.

Krell still proudly builds amplifiers and other high-end gear, from their base in Orange, Connecticut, USA. Established in 1980, they set about manufacturing a range of really different hi-fi equipment, aimed squarely at the top end of town.… Read more