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 infamous Sansui corrosive glue problem is one that affects many vintage hi-fi amplifiers and other equipment. Resolving issues caused by this glue is time-consuming, but essential.
You maybe familiar with the scenario – over time, your favourite Sansui (or other) amplifier starts to develop faults. Maybe it won’t come out of protection, or maybe a channel becomes intermittent.… Read more
A question I am commonly asked is “why do you bother lubricating the spindle bearing and why use synthetic oil.”
The answer to this is quite simple. Turntables are mechanic systems and as such require maintenance. When these turntables were designed, manufacturers often paid little attention to explaining this need, probably thinking that the deck would be superseded or out of use by the time this became a problem.… Read more
Capacitors – I am always on about capacitors and how important they are. I have literally thousands of the damn things in my parts inventory and I like to replace them, especially in certain types of circuits – but why?
To answer this we perhaps need to look first at what they do and how they are made.… Read more