Category Archives: Service

Sony TA-4650 VFET Amplifier Service & Reliability Enhancement

I’m reluctant to use the word ‘sexy’ when it comes to hi-fi gear because, well – it just feels weird. If I were to use it though, it would be about this baby Sony TA-4650 VFET amplifier.

What can one say after working one of these stunning Sony TA-4650 VFET integrated amplifiers? I really fell for this little beauty and came to understand why so many people treasure these amps.… 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

Gorgeous Philips RH 750 Receiver & Why We Love Hi-Fi!

Just a very quick update, to welcome in 2018, and to share this stunning piece of vintage hi-fi gear.

I think we can all agree, it’s pieces like this beautiful Philips RH 750 receiver, with its warm tones and smile-inducing vintage looks, that make classic 70’s gear so desirable. Seriously, this is one of the best looking pieces of hi-fi gear I’ve ever worked on!… Read more

Denon DP-30L Direct-Drive Turntable Service & Repair

I work on quite a few of these lovely Denon decks. Here’s a closer look at a Denon DP-30L I serviced recently, and a reminder of why it’s important to take your deck to the right person for work.

For more Denon DP-30L goodness, check out this service and review article. This particular unit came to me having just had an Ortofon 2M Red moving magnet cartridge fitted, plus a new lead-out cable.… Read more

Quad 44 Preamplifier Service

I’ve just serviced a Quad 44 preamplifier. In this article, I’ll show you what the 44 looks like inside and explain some of its features.

Along with a Quad 405 power amplifier, I recently serviced this Quad 44 preamplifier, both owned by the same customer. I’m told he purchased them after a chat we had about resurrecting his KEF speakers, and purchasing some Quad gear to power them!… Read more