Category Archives: Amplifiers

Articles about amplifiers, including power amplifiers, integrated amplifiers, big and small amplifiers, solid-state and tube amplifiers!

Lovely Technics SU-V8 Amplifier Repair & Service

I think the stunning Technics SU-V8 is one of the most beautiful amplifiers from the golden age. As part of my first Technics Month, let’s take a look at the classic SU-V8 integrated amplifier.

Yep, it’s #TechnicsMonth at Liquid Audio. What exactly that means, I don’t know, but I’m going to focus only on Technics for the next couple of articles.… Read more

Magnus Audio MA-300 Monster Amplifier Upgrade

This monster Magnus Audio MA-300 power amplifier came in for a factory power supply upgrade. Let’s take a look!

Magnus Audio is not a well-known name here in Australia, maybe not elsewhere either, but, after working on this amplifier, perhaps they should be. I’d not worked on any Magnus Audio gear until this unit came in and I can now definitively state that the Magnus Audio MA-300 amplifier is a beast.… Read more

Harman/Kardon PM665 Amplifier Repair & Service

The Harman/Kardon PM665 is one of H/K’s classic amplifiers. Like a lot of gear, this one had been messed with and needed repairs and service. Let’s take a look…

The Harman/Kardon PM655 is a beast of an integrated amplifier. With a power output of 100 Watts per channel, plus a useful amount (maybe 3 Watts) of class-A power, this amplifier is black, hot and heavy.… Read more

Stunning Sony TA-FA777ES Integrated Amplifier Service

Just look at this beauty. Sony took their hi-fi product lines very seriously back in the day and this TA-FA777ES amplifier is a testament to it. Let’s take a look inside.

The Sony TA-FA777ES is part of Sony’s ES product range from the 1990s. Tragically and as Sony fans around the world lament, this was the last of the really serious stuff from Sony.… Read more

Beautiful Vintage Sony Hi-Fi System Service

Is it any wonder folks new to hi-fi go nuts over old gear like this? Those of us who’ve been around a while probably just love it anyway. This Classic 45 year old vintage Sony hi-fi system just came in for it’s first service – in 45 years…!

And guess what – this beautiful Sony hi-fi system now works perfectly again, after service.… Read more

Beautiful Yamaha CA-2010 Integrated Amplifier Repair & Restoration

Yamaha’s beautiful CA-2010 must be one of the best-looking integrated amplifiers of all time. Come with me in my last article of 2018, as I explore, repair and restore this classic beast.

The Yamaha CA-2010 integrated amplifier is just beautiful and Yamaha knows it. In fact, this aesthetic works so well that Yamaha recently introduced a whole range of high-end products that mimic these classic looks, almost to a tee!… Read more

Rare Luxman M-4000 Power Amplifier Repair & Service

Check out this beautiful Luxman M-4000 power amplifier I’ve just serviced. This classic vintage beast needed a little work, let’s take a look.

The Luxman M-4000 power amplifier is a fairly compact, dense, 180 Watt per channel bipolar amplifier. It’s the predecessor to the M-4000A, which looks very similar, but is substantially different design-wise and even rarer.… Read more