Category Archives: Service

As the name suggests, this category contains all articles where the main or at least a good portion of the focus is on providing service to hi-fi equipment.

Sometimes Budget Hi-Fi Gear is the Most Fun!

If readers wonder whether I only work on more expensive hi-fi equipment, not at all. Liquid Audio cares for all hi-fi stereo gear including budget hi-fi, from 1970 onwards. If it’s hi-fi, I’ll look at it.

It’s true that many of my posts focus on rare and desirable hi-fi equipment. People like reading about that gear and I certainly enjoy working on it.… Read more

Accuphase P-600 Monster Stereo Power Amplifier Voltage Conversion

Holy balls, the Accuphase P-600 Stereo Power Amplifier is one B-I-G mother of an amplifier. It actually gets physically tiring moving these beasts around the workshop!

Anyway, I’m not complaining, I LOVE working on equipment like this, even if it is bloody heavy. The Accuphase P-600 was, as far as I recall, Accuphase’s best class A/B stereo power amplifier back around the early 80’s.… Read more

Yamaha CX-1 Preamplifier Service & Repair

You may have seen the article I wrote recently about repairing a gorgeous Yamaha MX-1 power amplifier. This time I’m servicing a Yamaha CX-1 preamplifier, which matches the MX-1 and is part of the same set.

Yamaha made some really superb hi-fi gear back in the day, as I’m sure many of you know. There were the B series VFET amps like the B-1 and B-2, the legendary NS-1000 monitor loudspeakers, the perhaps even more (studio) famous NS-10 monitors, awesome MX-10000, CX-10000, and many more.… Read more

Marantz Model 6300 Turntable Service & Overview

It really is a privilege being entrusted to care for such an amazing range of hi-fi gear, brought to Liquid Audio for service and repair. Every so often though, I work on a piece that really makes me smile. The Marantz Model 6300 direct-drive turntable is one of those pieces.

One look at a 6300 and you’ll reach an inevitable conclusion – that you want and need to find one to add to your collection.… Read more

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

Luxman SQ-202 Integrated Amplifier Repair & Service

I get to work on some beautiful gear at Liquid Audio. A great example is this stunning Luxman SQ-202 integrated amplifier that I’ve just repaired and serviced.

The Luxman SQ-202 integrated amplifier is a model dating right back to the early 70’s. In fact it was released 1970, and produced until 1973.

Lots more great information and specifications are located at the Vintage Knob page for the SQ-202.… Read more