Category Archives: Rants

BMW R1200R Problems

Hi folks, this post is not related to audio in any way. Rather, it’s a summary of some recent problems I’ve had with my 2009 BMW R1200R motorcycle.

The BMW R1200R is a superb bike in every respect and a joy to ride and work on. I’ve owned more than 15 bikes over the years and this one is my pick in terms of being fun to ride, having gobs of torque, killer one finger brakes, almost no dive under braking, awesome handling, great range and fuel economy and the list goes on.… Read more

Vinyl vs CD – is Vinyl Higher-Resolution?

In the vinyl vs CD debate, I am often asked why vinyl sounds so good and why compact disc (CD) was created, if vinyl was a better medium in the first place? To put this another way – the question might be: “Vinyl vs CD – is vinyl higher resolution?”

This is not a simple question to answer, there is a great deal to consider.… Read more

Krell KSA-150 Class-A Amplifier Service

I have been flat out with restorations and repairs. One of my recent jobs was to inspect and service a lovely example of a Krell KSA-150 Class A Power Amplifier.

You may have already watched my restoration video, where I completely refurbish one of these beasts. This video has actually generated a great deal of interest and I receive lots of queries in relation to my resto, and about the KSA-150.… Read more

The Redgum RGi120 Integrated Amplifier – Australian Quality? You Decide…

This piece, about the Redgum RGi120 integrated amplifier, isn’t one I enjoyed writing. Redgum is an Australian brand and I really wanted to be able to write great things about the design and construction of this amplifier.

In the end, I couldn’t. I wrote this piece, considered not posting it, then hit go, only to pull it down after I was literally inundated with hits!… Read more

The Sansui Corrosive Glue Problem

While I am restoring this lovely AU-717 amplifier, I felt it was worth discussing the infamous Sansui corrosive glue problem.

Most equipment manufactured by Sansui, and others, during a certain period in the 70’s and 80’s will be affected by this nasty, corrosive compound. Its called polychloroprene and it literally eats through components like an acid.… Read more